acetylene has been researched along with nitrogenase in 202 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 117 (57.92) | 18.7374 |
| 1990's | 27 (13.37) | 18.2507 |
| 2000's | 35 (17.33) | 29.6817 |
| 2010's | 18 (8.91) | 24.3611 |
| 2020's | 5 (2.48) | 2.80 |
| Authors | Studies |
|---|---|
| Barber, LE; Evans, HJ | 1 |
| Albrecht, SL; Burris, RH; Houchins, JP; Okon, Y | 1 |
| Austin, SM; Meeks, JC; Shaffer, PW; Thomas, J; Wolk, CP | 1 |
| Peters, GA | 1 |
| Eskew, DL; Focht, DD; Ting, IP | 1 |
| Burris, RH; Lockau, W; Peterson, RB; Wolk, CP | 1 |
| Apte, SK; David, KA; Thomas, J | 2 |
| Pratt, JM | 1 |
| Arnon, DI; Carithers, RP; Yoch, DC | 1 |
| Daday, A; Lambert, GR; Smith, GD | 1 |
| Lawrie, AC | 1 |
| Eriksson, U; Nordlund, S | 1 |
| Gotto, JW; Tabita, FR; Van Baalen, C | 1 |
| Corke, CT; Huber, AL; Stratton, GW | 1 |
| Corke, CT; Stratton, GW | 1 |
| Eady, RR; Mortenson, LE; Smith, BE; Thorneley, RN | 1 |
| Eady, RR; Lowe, DJ; Thorneley, NF | 1 |
| Rowell, P; Stewart, WD | 1 |
| Hyndráková, A; Nĕmocová, M; Skrdleta, V | 1 |
| Draeger, S; Heinemeyer, O; Jagnow, G | 1 |
| Andersen, K; Shanmugam, KT; Valentine, RC | 1 |
| Eady, RR; Thorneley, RN | 1 |
| Kinbacher, EJ; Klucas, RV; Pedersen, WL; Shearman, RC | 1 |
| Benemann, JR; Weissman, JC | 1 |
| Daday, A; Platz, RA; Smith, GD | 1 |
| Kirwan, DJ; Seyhan, E | 1 |
| Bordeleau, LM; Cacciari, I; Lippi, D | 1 |
| Balloni, W; Florenzano, G; Materassi, R | 1 |
| MacRae, IC | 1 |
| Chakrabarty, K; Klucas, RV; Pedersen, WL; Vidaver, AK | 1 |
| Silver, WS; Zuberer, DA | 1 |
| Brill, WJ; Chisnell, JR; Shah, VK | 1 |
| Burris, RH; Emerich, DW | 1 |
| Castillo, F; Zumft, WG | 1 |
| Burris, RH; Ludden, PW; Okon, Y | 1 |
| Hermann, TE; Wilson, PW | 1 |
| Bennett, KJ; Brown, JM; Silvester, WB | 1 |
| Neilson, AH; Nordlund, S | 1 |
| Collmer, A; Lamborg, M | 1 |
| Fay, P | 1 |
| Roelofsen, W; Van Straten, J | 1 |
| Blasco, JA; Jordan, DC | 1 |
| Bont, JA | 1 |
| Moorehead, EL; Robinson, PR; Schrauzer, GN; Ufkes, EA; Vickrey, TM; Weathers, BJ | 1 |
| Holfeld, HS; LaRue, TA; Mallard, CS; Mallard, TM | 1 |
| Rains, DW; Talley, BJ; Talley, SN | 1 |
| Evans, WR; Keister, DL | 1 |
| Elliott, BB; Mortenson, LE | 1 |
| deBont, JA | 1 |
| Waughman, GJ | 1 |
| Brill, WJ; Maier, RJ | 1 |
| Corbin, JL; MacDonald, JW; Newton, WE | 1 |
| Kurz, WG; LaRue, TA; Mallard, C | 1 |
| Chatson, KB; Kurz, WG; LaRue, TA | 1 |
| Aseeva, KB; Evstigneeva, ZG; Kretovich, VL; Martynova, EM | 1 |
| Burris, RH; Rivera-Ortiz, JM | 1 |
| Keister, DL | 1 |
| Brill, WJ; Davis, LC; Shah, VK | 2 |
| Bulen, WA; Burns, A; Hadfield, KL; Watt, GD | 1 |
| Ledwith, DA; Schultz, FA | 1 |
| Bothe, H; Yates, MG | 1 |
| Berndt, H; Lalucat, J; Mayer, F; Ostwal, KP; Schlegel, HG; Schumann, C | 1 |
| Böger, P; Böhm, I; Ernst, A; Halbherr, A; Smaglinski, S | 1 |
| Burgess, BK; Gavini, N | 1 |
| Figueredo, A; Hochman, A; Wall, JD | 1 |
| Peterson, JB | 1 |
| Dean, D; Howard, JB; Kim, C; Wolle, D | 1 |
| Kovárová, D; Lisá, L; Nĕmcová, M; Novák, K; Skrdleta, V | 1 |
| Meeks, JC; Steinberg, NA | 1 |
| Lobo, AL; Zinder, SH | 1 |
| Fisher, K; Lowe, DJ; Thorneley, RN | 1 |
| Bailey, GF; Feldman, BJ; Gheller, SF; Newton, WE; Schultz, FA | 1 |
| Buck, M; Gormal, C; Ioannidis, I; Kent, HM; Smith, BE | 1 |
| Davis, LC; Fateley, WG; Lin-Vien, D | 1 |
| Lopez, MF; Murry, MA | 1 |
| Leone, M; Thiel, T | 1 |
| Brill, WJ; Imperial, J; Ludden, PW; Shah, VK; Ugalde, RA | 1 |
| Bishop, PE; Joerger, RD; Premakumar, R | 1 |
| Orme-Johnson, WH; Wahl, RC | 1 |
| Gandy, EL; Whiting, GJ; Yoch, DC | 1 |
| Daday, A; Pederson, DM; Smith, GD | 1 |
| Burris, RH; Cox, RP; Jensen, BB | 1 |
| Dilworth, MJ; Eady, RR; Eldridge, ME | 1 |
| Ensign, JC; Tisa, LS | 1 |
| Eady, RR; Miller, RW | 1 |
| Whiting, GJ; Yoch, DC | 1 |
| Goldberg, I; Hochman, A; Nadler, V | 1 |
| Murry, MA; Torrey, JG; Zhongze, Z | 1 |
| Heremans, KA; Peeters, JF; Van Rossen, AR | 1 |
| Benemann, JR; Weare, NM | 1 |
| Gallon, JR; Kurz, WG; LaRue, TA | 1 |
| Codd, GA; Rowell, P; Stewart, WD | 1 |
| Mortenson, LE; Seto, B | 1 |
| Campbell, F; Yates, MG | 1 |
| Mortenson, LE; Walker, GA | 1 |
| Jungermann, K; Katz, N; Kirchniawy, H; Thauer, RK | 1 |
| Jones, K; Thomas, JG | 1 |
| Kleiner, D | 1 |
| Evans, HJ; Seidler, RJ; Werner, D | 1 |
| Thorneley, RN; Willison, KR | 1 |
| Mortenson, LE; Seto, BL | 1 |
| Balandreau, JP; Dommergues, YR; Millier, CR | 1 |
| Gadkari, D; Stolp, H | 1 |
| Gogotov, JN; Schlegel, HG | 1 |
| Wittenberg, JB | 1 |
| Bishop, PE; Hetherington, DR; Jarlenski, DM | 1 |
| Hales, BJ; Howard, KS; Socolofsky, MD | 1 |
| Dixon, RA; McLean, PA; Smith, BE | 1 |
| Brill, WJ; Brooks, SJ; Collins, JJ | 1 |
| Bodmer, S; Pienkos, PT; Tabita, FR | 1 |
| Kumar, A; Tabita, FR; Van Baalen, C | 1 |
| Burris, RH; Guth, JH | 1 |
| Fontaine, MS; Murry, MA; Tjepkema, JD | 1 |
| Böger, P; Kerfin, W; Scherer, S | 2 |
| Lambert, GR; Smith, GD | 1 |
| Burris, RH; Hochman, A | 1 |
| Ormerod, W; Tjepkema, JD; Torrey, JG | 1 |
| Davis, LC; Kotake, S | 1 |
| Charyulu, PB; Ramakrishna, C; Rao, VR | 1 |
| Salminen, SO | 1 |
| Braymer, HD; Hales, BJ; Riddle, GD; Simonson, JG | 1 |
| Hill, S; Kavanagh, EP | 1 |
| Davis, LC; Wang, YL | 1 |
| Berlier, Y; Jouanneau, Y; Kelley, BC; Lespinat, PA; Vignais, PM | 1 |
| Erker, JC; Ernst, A; Lyons, EM; Thiel, T | 1 |
| Likhtenstein, GI; Syrtsova, LA; Uzenskaja, AM | 1 |
| Bishop, PE; Maynard, RH; Mylona, PV; Paulsen, DM; Premakumar, R; Waugh, SI | 1 |
| Lyons, EM; Thiel, T | 1 |
| Burgess, BK; Pham, DN | 1 |
| Bosch, R; Imperial, J; Rodríguez-Quiñones, F | 1 |
| Bishop, PE; Mylona, PV; Pau, RN; Premakumar, R | 1 |
| Bravo-Leerabhandh, M; Eran, H; McKenna, CE; Simeonov, AM | 1 |
| Davis, R; Lehman, L; Ludden, PW; Petrovich, R; Roberts, GP; Shah, VK | 1 |
| Fisher, K; Lanzilotta, WN; Seefeldt, LC | 1 |
| Ryle, MJ; Seefeldt, LC | 1 |
| Sroga, GE | 1 |
| Bageshwar, UK; Das, HK; Raina, R | 1 |
| Jain, SR; Joshi, AP; Kalia, VC; Kumar, A | 1 |
| Hallenbeck, PC; Yakunin, AF | 1 |
| Bergman, B; Janson, S; Matveyev, A | 1 |
| Achouak, W; Heulin, T; Normand, P | 1 |
| Dilworth, MJ; Fisher, K; Kim, CH; Newton, WE | 2 |
| Cash, VL; Christiansen, J; Dean, DR; Seefeldt, LC | 1 |
| Christiansen, J; Dean, DR; Seefeldt, LC | 1 |
| Bazylinski, DA; Dean, AJ; Lovley, DR; Phillips, EJ; Schüler, D | 1 |
| Harren, F; Lintel-Hekkert, ST; Staal, M; Stal, L | 1 |
| Breznak, JA; Byzek, KR; Kim, KS; Leadbetter, JR; Lilburn, TG; Ostrom, NE | 1 |
| Benton, PM; Christiansen, J; Dean, DR; Seefeldt, LC | 1 |
| Magu, SP; Shetty, PK | 1 |
| Gonnet, S; Irisarri, P; Monza, J | 1 |
| Benton, PM; Dean, DR; Hoffman, BM; Mayer, SM; Seefeldt, LC; Shao, J | 1 |
| Chen, JS; Kasap, M; Toth, J | 1 |
| Aggelis, G; Kefalogianni, I | 1 |
| Serraj, R; Sinclair, TR | 1 |
| Bergman, B; El-Shehawy, R | 1 |
| Meysman, FJ; Staal, M; Stal, LJ | 1 |
| Han, J; Newton, WE | 1 |
| Durrant, MC | 1 |
| Dance, IG; Dean, DR; Dos Santos, PC; Igarashi, RY; Niehaus, WG; Seefeldt, LC | 1 |
| Jayasinghearachchi, HS; Seneviratne, G | 1 |
| Barney, BM; Dean, DR; Dos Santos, PC; Igarashi, RY; Seefeldt, LC | 1 |
| Cady, NC; Dodsworth, JA; Leigh, JA | 1 |
| Blöchl, PE; Kästner, J | 1 |
| Christiansen, J; Dean, DR; Hales, BJ; Hoffman, BM; Lee, HI; Shao, J; Sørlie, M; Yang, TC | 1 |
| Deaker, RJ; Gilchrist, K; Kecskés, ML; Kennedy, IR; Kim, C; Kim, S; New, PB; Sa, T | 1 |
| Fujii, M; Hata, S; Izui, K; Mai, HT; Nomura, M; Tajima, S | 1 |
| Dance, I | 1 |
| Cortina, J; Díez, B; López-Poma, R; Luque, I; Maestre, FT; Martín, N; Santos, F | 1 |
| Rabouille, S; Staal, M; Stal, LJ | 1 |
| Bauer, K; Bergman, B; Díez, B | 1 |
| Inoue, K; Masukawa, H; Sakurai, H | 1 |
| Chang, CS; Chen, WC; Wang, YS; Yen, JH | 1 |
| Boniface, C; Dalton, DA; Finger, RE; Govindarajulu, M; Jelinek, L; Kim, HJ; Lindahl, A; Taylor, CG; Turner, Z | 1 |
| Compaoré, J; Stal, LJ | 1 |
| Azios, N; Cahill, E; Dalton, DA; Fusaro, S; Kennedy, C; Kramer, S | 1 |
| Fay, AW; Hu, Y; Lee, CC; Ribbe, MW; Wiig, JA; Yoshizawa, JM | 1 |
| Pratte, B; Thiel, T; Weyman, PD | 1 |
| Brand, J; Kim, KR; Li, Z; Yu, J | 1 |
| Bedmar, EJ; Delgado, MJ; Gates, AJ; Girard, L; Meakin, GE; Richardson, DJ; Sánchez, C; Uchiumi, T | 1 |
| Hausinger, RP; Inoue, K; Masukawa, H; Sakurai, H; Wolk, CP | 1 |
| Blank, MA; Fay, AW; Hedman, B; Hodgson, KO; Hu, Y; Lee, CC; Ribbe, MW | 1 |
| Hrčková, K; Hrouzek, P; Lukešová, A; Simek, M | 1 |
| Dean, DR; Moure, VR; Seefeldt, LC; Yang, ZY | 1 |
| Bonaldi, K; Fardoux, J; Giraud, E; Nouwen, N; Novák, O; Patrel, D; Podlešáková, K; Spíchal, L; Strnad, M | 1 |
| Hasegawa, SF; Kitao, M; Komatsu, M; Tobita, H; Yazaki, K | 1 |
| León-Ramírez, C; Peña-Cabriales, JJ; Ruiz-Herrera, J; Ruiz-Medrano, R; Salgado-Lugo, H; Sánchez-Arreguín, A; Sánchez-Segura, L; Vera-Nuñez, A | 1 |
| Brune, A; Dietrich, C; Radek, R; Zheng, H | 1 |
| Bergman, B; Delgado, A; Díez, B; Estrella Alcamán, M; Fernandez, C | 1 |
| Carper, DL; Frank, AC; Kueppers, LM; Moyes, AB; O'Neil, J; Pett-Ridge, J; Vandehey, N | 1 |
| Asazawa, K; Matsumoto, T; Nakai, H; Ogo, S; Robertson, A; Tanaka, H; Tran, VH; Yatabe, T; Yoshimoto, K | 1 |
| Hausinger, RP; Inoue, K; Masukawa, H; Sakurai, H | 1 |
| Akob, DM; Baesman, SM; Bennett, S; Dunlap, DS; Fierst, JL; Haase, KB; Mumford, AC; Oremland, RS; Poret-Peterson, AT; Shrestha, Y; Sutton, JM | 1 |
| Danyal, K; De Gioia, L; Eilers, BJ; Keable, SM; Peters, JW; Rasmussen, AJ; Seefeldt, LC; Vertemara, J; Zadvornyy, OA; Zampella, G | 1 |
| Dobbek, H; Jeoung, JH; Martins, BM | 1 |
| DeBeer, S; Decamps, L; Van Stappen, C | 1 |
| Adachi, K; Araki, M; Ichie, T; Ikejima, K; Kuriya, Y; Morioka, K; Murata, M; Nomura, M; Sawada, H; Tongununui, P | 1 |
| MacArdle, SG; Rees, DC | 1 |
| Graham, C; Gu, L; Loya, JR; Subramanian, S; Zhou, R | 1 |
2 review(s) available for acetylene and nitrogenase
| Article | Year |
|---|---|
Nitrogen fixation (NIF) regulatory mutants of Klebsiella: determination of the energy cost of N2 fixation in vivo.
Topics: Acetylene; Adenosine Triphosphate; Energy Transfer; Genes, Regulator; Klebsiella pneumoniae; Mutation; Nitrogen Fixation; Nitrogenase | 1977 |
Double-Cubane [8Fe9S] Clusters: A Novel Nitrogenase-Related Cofactor in Biology.
Topics: Acetylene; Adenosine Triphosphate; Biocatalysis; Iron-Sulfur Proteins; Models, Molecular; Nitrogenase; Oxidation-Reduction | 2020 |
200 other study(ies) available for acetylene and nitrogenase
| Article | Year |
|---|---|
Characterization of a nitrogen-fixing bacterial strain from the roots of Digitaria sanguinalis.
Topics: Acetylene; Aerobiosis; Bacteria; Hydrogen-Ion Concentration; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxygen; Partial Pressure; Poaceae; Pseudomonadaceae; Soil Microbiology; Temperature | 1976 |
Growth of Spirillum lipoferum at constant partial pressures of oxygen, and the properties of its nitrogenase in cell-free extracts.
Topics: Acetylene; Ammonium Chloride; Bacterial Proteins; Cell-Free System; Enzyme Activation; Hydrogen-Ion Concentration; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxygen; Partial Pressure; Spirillum; Temperature | 1977 |
Formation of glutamine from [13n]ammonia, [13n]dinitrogen, and [14C]glutamate by heterocysts isolated from Anabaena cylindrica.
Topics: Acetylene; Ammonia; Cyanobacteria; Glutamate Synthase; Glutamate-Ammonia Ligase; Glutamates; Glutamine; Nitrogen; Nitrogen Fixation; Nitrogenase | 1977 |
The Azolla-Anabaena azzolae symbiosis.
Topics: Acetylene; Carbon Dioxide; Cell Division; Cyanobacteria; Glutamate Dehydrogenase; Glutamate-Ammonia Ligase; Kinetics; Microscopy, Electron; Microscopy, Electron, Scanning; Nitrates; Nitrogen Fixation; Nitrogenase; Photosynthesis; Plants; Symbiosis | 1977 |
Nitrogen fixation, denitrification, and pleomorphic growth in a highly pigmented Spirillum lipoferum.
Topics: Acetylene; Hydrogen-Ion Concentration; Nitrates; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Pigments, Biological; Poaceae; Soil Microbiology; Spirillum | 1977 |
Modes of reduction of nitrogen in heterocysts isolated from Anabaena species.
Topics: Acetylene; Cyanobacteria; Darkness; Isocitrates; Light; NADP; Nitrogen Fixation; Nitrogenase; Pentosephosphates; Photosynthesis | 1978 |
Stimulation of nitrogenase by acetylene: fresh synthesis or conformational chance?
Topics: Acetylene; Ammonium Chloride; Cyanobacteria; Enzyme Induction; Kinetics; Nitrogenase; Protein Conformation; Rifampin | 1978 |
The chemistry and biochemistry of nitrogen.
Topics: Acetylene; Adenosine Triphosphate; Ammonia; Atmosphere; Bacteria; Catalysis; Chemical Phenomena; Chemistry; Cyanides; Cyanobacteria; Ferredoxins; Iron; Methods; Models, Chemical; Molybdoferredoxin; Nitrogen; Nitrogen Dioxide; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Thermodynamics | 1978 |
Conformational changes in the nitrogenase complex in vivo by preincubation under acetylene.
Topics: Acetylene; Azides; Binding Sites; Carbon Monoxide; Cyanobacteria; Kinetics; Multienzyme Complexes; Nitrogenase; Protein Binding; Protein Conformation | 1978 |
Two forms of nitrogenase from the photosynthetic bacterium Rhodospirillum rubrum.
Topics: Acetylene; Ferredoxins; Glutamates; Isoenzymes; Magnesium; Manganese; Molecular Weight; Molybdoferredoxin; Nitrogen; Nitrogenase; Rhodospirillum rubrum | 1979 |
Measurement in vivo of hydrogenase-catalysed hydrogen evolution in the presence of nitrogenase enzyme in cyanobacteria.
Topics: Acetylene; Carbon Monoxide; Cyanobacteria; Dithionite; Hydrogen; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Paraquat | 1979 |
Effect of carbamoyl phosphate on nitrogenase in Anabaena cylindrica Lemm.
Topics: Acetylene; Carbamates; Carbamoyl-Phosphate Synthase (Ammonia); Carbamyl Phosphate; Cell-Free System; Cyanates; Cyanobacteria; Nitrogenase | 1979 |
Nitrogenase from Rhodospirillum rubrum. Relation between 'switch-off' effect and the membrane component. Hydrogen production and acetylene reduction with different nitrogenase component ratios.
Topics: Acetylene; Carbon Monoxide; Cell Membrane; Enzyme Activation; Hydrogen; Nitrogenase; Rhodospirillum rubrum | 1979 |
Mutants of Anabaena strain CA altered in their ability to grow under nitrogen-fixing conditions.
Topics: Acetylene; Cyanobacteria; Mutation; Nitrogen Fixation; Nitrogenase; Oxygen | 1979 |
Effect of mercuric ion on the growth, photosynthesis, and nitrogenase activity of Anabaena inaequalis.
Topics: Acetylene; Cyanobacteria; Mercury; Nitrogenase; Oxidation-Reduction; Photosynthesis; Water Microbiology | 1979 |
The effect of nickel on the growth, photosynthesis, and nitrogenase activity of Anabaena inaequalis.
Topics: Acetylene; Cyanobacteria; Fresh Water; Nickel; Nitrogenase; Oxidation-Reduction; Photosynthesis; Water Microbiology | 1979 |
Nitrogenases from Klebsiella pneumoniae and Clostridium pasteurianum. Kinetic investigations of cross-reactions as a probe of the enzyme mechanism.
Topics: Acetylene; Adenosine Triphosphatases; Adenosine Triphosphate; Clostridium; Ferredoxins; Hydrogen; Kinetics; Klebsiella pneumoniae; Magnesium; Molybdenum; Nitrogenase | 1976 |
Electron-paramagnetic-resonance studies on nitrogenase of Klebsiella pneumoniae. Evidence for acetylene- and ethylene-nitrogenase transient complexes.
Topics: Acetylene; Carbon Monoxide; Electron Spin Resonance Spectroscopy; Ethylenes; Klebsiella pneumoniae; Models, Chemical; Nitrogenase; Oxidation-Reduction; Protein Binding | 1978 |
Effects of L-methionine-DL-sulphoximine on the assimilation of newly fixed NH3, acetylene reduction and heterocyst production in Anabaena cylindrica.
Topics: Acetylene; Amino Acids; Ammonia; Cyanobacteria; Enzyme Activation; Enzyme Induction; Glutamate Synthase; Glutamate-Ammonia Ligase; Methionine Sulfoximine; Nitrogenase; Structure-Activity Relationship; Time Factors | 1975 |
Acetylene reduction (dinitrogen fixation) and nitrification in soil as affected by the structural aggregate size.
Topics: Acetylene; Bacteria; Nitrates; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Particle Size; Soil; Soil Microbiology | 1979 |
Choice of liquid, semisolid, or soil suspension media: an important factor modifying the effect of pesticides on the nitrogenase (C2H2) activity of Clostridium pasteurianum, Azotobacter chroococcum, and Spirillum lipoferum Beijerinck.
Topics: Acetylene; Agar; Azotobacter; Clostridium; Culture Media; Nitrogenase; Oxidation-Reduction; Pesticides; Spirillum; Time Factors | 1979 |
Nitrogenase of Klebsiella pneumoniae. Distinction between proton-reducing and acetylene-reducing forms of the enzyme: effect of temperature and component protein ratio on substrate-reduction kinetics.
Topics: Acetylene; Ammonia; Argon; Ethylenes; Hydrogen; Kinetics; Klebsiella pneumoniae; Nitrogen; Nitrogenase; Temperature | 1977 |
Nitrogen fixation associated with 'Park' Kentucky bluegrass (Poa pratensis L.).
Topics: Acetylene; Bacteria; Enterobacter; Environment, Controlled; Erwinia; Klebsiella pneumoniae; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Poaceae; Soil Microbiology; Species Specificity | 1979 |
Hydrogen production by nitrogen-starved cultures of Anabaena cylindrica.
Topics: Acetylene; Cyanobacteria; Diuron; Hydrogen; Light; Nitrogen; Nitrogenase; Oxygen; Photosynthesis | 1977 |
Anaerobic and aerobic hydrogen gas formation by the blue-green alga Anabaena cylindrica.
Topics: Acetylene; Aerobiosis; Anaerobiosis; Carbon Monoxide; Carbonyl Cyanide m-Chlorophenyl Hydrazone; Cyanobacteria; Dinitrophenols; Diuron; Fluoroacetates; Hydrogen; Nitrogenase; Oxidation-Reduction; Oximes; Superoxide Dismutase | 1977 |
Nitrogenase activity of immobilized Azotobacter vinelandii.
Topics: Acetylene; Adsorption; Azotobacter; Ion Exchange Resins; Nitrogenase; Oxidation-Reduction | 1979 |
Effect of oxygen on batch and continuous cultures of a nitrogen-fixing Arthrobacter sp.
Topics: Acetylene; Arthrobacter; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxygen; Oxygen Consumption; Partial Pressure; Soil Microbiology | 1979 |
Cyanide reduction by nitrogenase in intact cells of Rhodopseudomonas gelatinose Molisch.
Topics: Acetylene; Ammonia; Culture Media; Cyanides; Methane; Nitrogenase; Rhodopseudomonas | 1977 |
Influence of partial pressures of acetylene and nitrogen upon nitrogenase activity of species of Beijerinckia.
Topics: Acetylene; Azotobacter; Ethylenes; Nitrogen; Nitrogen Fixation; Nitrogenase; Partial Pressure | 1977 |
Nitrogen fixation (acetylene reduction) associated with roots of winter wheat and sorghum in Nebraska.
Topics: Acetylene; Bacteria; Enterobacteriaceae; Nebraska; Nitrogen Fixation; Nitrogenase; Poaceae; Soil Microbiology; Species Specificity; Triticum | 1978 |
Biological dinitrogen fixation (acetylene reduction) associated with Florida mangroves.
Topics: Acetylene; Bacteria; Florida; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Plants; Soil Microbiology; Species Specificity; Water Microbiology | 1978 |
Acetylene reduction by the iron-molybdenum cofactor from nitrogenase.
Topics: Acetylene; Azotobacter; Iron; Kinetics; Molybdenum; Nitrogenase | 1978 |
Complementary functioning of the component proteins of nitrogenase from several bacteria.
Topics: Acetylene; Ammonia; Bacteria; Bacterial Proteins; Cross Reactions; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Protein Binding; Species Specificity | 1978 |
Regulatory properties of the nitrogenase from Rhodopseudomonas palustris.
Topics: Acetylene; Ammonia; Anaerobiosis; Cell-Free System; Enzyme Repression; Light; Metalloproteins; Nitrogenase; Oxidation-Reduction; Rhodopseudomonas; Substrate Specificity | 1978 |
The nitrogenase system of Spirillum lipoferum.
Topics: Acetylene; Enzyme Activation; Metalloproteins; Nitrogenase; Spirillum | 1978 |
Kinetic studies of Bacillus polymyxa nitrogenase.
Topics: Acetylene; Adenosine Triphosphate; Anaerobiosis; Azides; Azotobacter; Bacillus; Binding Sites; Cell-Free System; Kinetics; Klebsiella pneumoniae; Nitrogen; Nitrogenase; Species Specificity; Sulfites | 1976 |
The effect of pyruvate on nitrogenase activity in the blue-green alga Anabaena cylindrica.
Topics: Acetylene; Adenosine Triphosphate; Aerobiosis; Cyanobacteria; Darkness; Enzyme Induction; Ferredoxins; Ketone Oxidoreductases; Light; Methylurea Compounds; Nitrogen Fixation; Nitrogenase; Oxidative Phosphorylation; Oxygen; Partial Pressure; Pyruvates | 1975 |
Regulation of nitrogenase synthesis in intact cells of Rhodospirillum rubrum: inactivation of nitrogen fixation by ammonia, L-glutamine and L-asparagine.
Topics: Acetylene; Amino Acids; Ammonia; Anaerobiosis; Asparaginase; Asparagine; Cell-Free System; Enzyme Repression; Glutamine; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Rhodospirillum rubrum; Stereoisomerism | 1975 |
Arrangement and regulation of the nitrogen fixation genes in Klebsiella pneumoniae studied by depression kinetics.
Topics: Acetylene; Ammonium Chloride; Cell-Free System; Chloramphenicol; Edetic Acid; Enzyme Repression; Galactosidases; Genes; Klebsiella pneumoniae; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Protein Biosynthesis; Rifampin; Transcription, Genetic | 1976 |
Factors influencing dark nitrogen fixation in a blue-green alga.
Topics: Acetylene; Air; Carbon Dioxide; Cyanobacteria; Darkness; Glucose; Light; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction | 1976 |
Improved method for preparing anaerobic bacteroid suspensions of Rhizobium leguminosarum for the acetylene reduction assay.
Topics: Acetylene; Anaerobiosis; Bacteriological Techniques; Edetic Acid; Glycine max; Magnesium; Nitrogenase; Oxidation-Reduction; Plants; Rhizobium; Soil Microbiology; Toluene; Vegetables | 1976 |
Nitrogen fixation in the muskeg ecosystem of the James Bay Lowlands, Northern Ontario.
Topics: Acetylene; Aerobiosis; Anaerobiosis; Bacteria; Cyanobacteria; Ethylenes; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Plants; Temperature; Water Microbiology | 1976 |
Hydrogenase activity in nitrogen-fixing methane-oxidizing bacteria.
Topics: Acetylene; Hydrogen; Methane; Methylococcaceae; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxidoreductases | 1976 |
The chemical evolution of a nitrogenase model. 14. stoichiometric reactions of complexes of molybdenum(V), molybdenum(IV), and molybdenum(III) with acetylene and nitrogen.
Topics: Acetylene; Models, Chemical; Molybdenum; Nitrogen; Nitrogenase; Oxidation-Reduction | 1977 |
Portable gas chromatograph for the acetylene reduction assay for nitrogenase.
Topics: Acetylene; Chromatography, Gas; Nitrogenase; Oxidation-Reduction | 1977 |
Nitrogen fixation by Azolla in rice fields.
Topics: Acetylene; Agriculture; Cell Division; Nitrogen Fixation; Nitrogenase; Oryza; Plants; Seasons; Species Specificity; Symbiosis | 1977 |
Oxygen requirement for acetylene reduction by pure cultures of rhizobia.
Topics: Acetylene; Ammonium Chloride; Enzyme Repression; Nitrogenase; Oxidation-Reduction; Oxygen Consumption; Rhizobium | 1976 |
Regulation of molybdate transport by Clostridium pasteurianum.
Topics: Acetylene; Ammonia; Biological Transport, Active; Carbamyl Phosphate; Chloramphenicol; Clostridium; Molybdenum; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction | 1976 |
Bacterial degradation of ethylene and the acetylene reduction test.
Topics: Acetylene; Bacteria; Ethylenes; Nitrogenase; Oxidation-Reduction; Soil Microbiology | 1976 |
Investigations of nitrogenase activity in rheotrophic peat.
Topics: Acetylene; Anaerobiosis; Bacteria; Ethylenes; Light; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxygen; Soil; Soil Microbiology; Temperature | 1976 |
Ineffective and non-nodulating mutant strains of Rhizobium japonicum.
Topics: Acetylene; Genes; Glycine max; Leghemoglobin; Methylnitronitrosoguanidine; Mutagens; Mutation; Nitrogen Fixation; Nitrogenase; Plants; Rhizobium; Symbiosis | 1976 |
Letter: Binding and activation of enzymic substrates by metal complexes. II. Delocalized acetylene complexes of molybdenum.
Topics: Acetylene; Chemical Phenomena; Chemistry; Enzyme Activation; Molybdenum; Nitrogenase; Protein Binding | 1975 |
Continuous non-destructive determination of nitrogenase activity in microbiol cultures.
Topics: Acetylene; Air; Azotobacter; Bacteria; Chromatography, Gas; Clostridium; Ethylenes; Kinetics; Nitrogen; Nitrogenase; Oxidation-Reduction | 1975 |
Nitrogenase in synchronized Azotobacter vinelandii OP.
Topics: Acetates; Acetylene; Ammonia; Azotobacter; Cell Division; Glutamine; Nitrates; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Quaternary Ammonium Compounds; Time Factors; Urea | 1975 |
[Regulation of nitrogenase from lupin bacteroids].
Topics: Acetylene; Alanine; Amides; Amino Acids; Asparagine; Aspartic Acid; Glutamates; Glutamine; Glyoxylates; Hydroxybutyrates; Keto Acids; Ketoglutaric Acids; Nitrogenase; Oxaloacetates; Rhizobium | 1975 |
Interactions among substrates and inhibitors of nitrogenase.
Topics: Acetylene; Azides; Azotobacter; Binding Sites; Binding, Competitive; Carbon Monoxide; Cyanides; Depression, Chemical; Hydrogen; Kinetics; Nitrogen; Nitrogenase; Nitrous Oxide | 1975 |
Acetylene reduction by pure cultures of Rhizobia.
Topics: Acetylene; Ammonia; Azides; Carbon Monoxide; Cyanides; Enzyme Induction; Nitrates; Nitrogenase; Oxygen; Rhizobium; Species Specificity | 1975 |
Nitrogenase. VI. Acetylene reduction assay: Dependence of nitrogen fixation estimates on component ratio and acetylene concentration.
Topics: Acetylene; Animals; Azotobacter; Chick Embryo; Dogs; Kinetics; Methods; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Time Factors | 1975 |
Nitrogenase. VII. Effect of component ratio, ATP and H2 on the distribution of electrons to alternative substrates.
Topics: Acetylene; Adenosine Triphosphate; Azotobacter; Dithionite; Electrons; Hydrogen; Kinetics; Nitrogenase; Oxidation-Reduction; Protein Binding | 1975 |
Stoichiometry, ATP/2e values, and energy requirements for reactions catalyzed by nitrogenase from Azotobacter vinelandii.
Topics: Acetylene; Adenosine Triphosphate; Azotobacter; Calorimetry; Dithionite; Energy Transfer; Hydrogen; Manometry; Nitrogenase; Oxidation-Reduction; Polarography; Sulfonic Acids; Thermodynamics | 1975 |
Letter: Catalytic electrochemical reduction of acetylene in the presence of a molybdenum-cysteine complex.
Topics: Acetylene; Catalysis; Cysteine; Electrochemistry; Models, Chemical; Molybdenum; Nitrogenase; Oxidation-Reduction | 1975 |
The electron transport to nitrogenase in Mycobacterium flavum.
Topics: Acetylene; Aerobiosis; Azotobacter; Chloroplasts; Dithionite; Electron Transport; Ferredoxins; Mycobacterium; Nitrogen Fixation; Nitrogenase; Photosynthesis | 1976 |
Identification and physiological characterization of the nitrogen fixing bacterium Corynebacterium autotrophicum GZ 29.
Topics: Acetylene; Aerobiosis; Corynebacterium; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxygen Consumption; Partial Pressure; Quaternary Ammonium Compounds; Sucrose | 1976 |
In vitro activation of dinitrogenase reductase from the cyanobacterium Anabaena variabilis (ATCC 29413).
Topics: Acetylene; Adenosine Triphosphate; Anabaena; Dinitrogenase Reductase; Enzyme Activation; Enzyme Reactivators; In Vitro Techniques; Magnesium; Manganese; Nitrogenase; Rhodospirillum rubrum | 1992 |
FeMo cofactor synthesis by a nifH mutant with altered MgATP reactivity.
Topics: Acetylene; Adenosine Triphosphate; Amino Acid Sequence; Azotobacter vinelandii; Bacterial Proteins; Chromosomes, Bacterial; Cloning, Molecular; DNA, Bacterial; Genes, Bacterial; Kinetics; Molecular Sequence Data; Molybdoferredoxin; Mutagenesis, Site-Directed; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Phenotype; Sequence Homology, Amino Acid | 1992 |
Physiological functions of hydroperoxidases in Rhodobacter capsulatus.
Topics: Acetylene; Aerobiosis; Anaerobiosis; Catalase; Cell Division; Hydrogen Peroxide; Mutagenesis; Mutation; Nitrogenase; Oxygen Consumption; Peroxidases; Pigments, Biological; Rhodobacter capsulatus; Superoxide Dismutase | 1992 |
Dependence of oxygen-tolerant nitrogenase activity on divalent cations in Azotobacter vinelandii.
Topics: Acetylene; Azotobacter vinelandii; Calcium; Cations, Divalent; Chloramphenicol; Magnesium; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxygen; Oxygen Consumption; Quaternary Ammonium Compounds; Rifampin | 1992 |
Ionic interactions in the nitrogenase complex. Properties of Fe-protein containing substitutions for Arg-100.
Topics: Acetylene; Adenosine Triphosphate; Arginine; Azotobacter vinelandii; Catalysis; Genes, Bacterial; Ions; Klebsiella pneumoniae; Mutation; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Substrate Specificity | 1992 |
Comparative response of Pisum sativum nodulated with indigenous soil Rhizobium populations and/or co-inoculated with a Rhizobium leguminosarum strain. I. Acetylene-reducing, dihydrogen- and carbon dioxide-evolving activities.
Topics: Acetylene; Carbon Dioxide; Fabaceae; Hydrogen; Nitrogen Fixation; Nitrogenase; Plants, Medicinal; Rhizobium; Rhizobium leguminosarum; Soil Microbiology; Symbiosis | 1991 |
Physiological sources of reductant for nitrogen fixation activity in Nostoc sp. strain UCD 7801 in symbiotic association with Anthoceros punctatus.
Topics: Acetylene; Cyanobacteria; Darkness; Diuron; Kinetics; Light; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Plant Physiological Phenomena; Plants; Symbiosis | 1991 |
Nitrogenase in the archaebacterium Methanosarcina barkeri 227.
Topics: Acetylene; Ammonia; Blotting, Western; Ethylenes; Euryarchaeota; Macromolecular Substances; Molecular Weight; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction | 1990 |
Klebsiella pneumoniae nitrogenase. Mechanism of acetylene reduction and its inhibition by carbon monoxide.
Topics: Acetylene; Carbon Monoxide; Kinetics; Klebsiella pneumoniae; Mathematics; Models, Theoretical; Nitrogenase; Oxidation-Reduction; Protein Binding | 1990 |
Electrochemical cells for voltammetry, coulometry, and protein activity assays of small-volume biological samples.
Topics: Acetylene; Azotobacter; Bacterial Proteins; Electrochemistry; Electrolysis; Electron Transport; Equipment Design; Gases; Molybdoferredoxin; Nitrogenase; Oxidation-Reduction; Proteins | 1990 |
Site-directed mutagenesis of the Klebsiella pneumoniae nitrogenase. Effects of modifying conserved cysteine residues in the alpha- and beta-subunits.
Topics: Acetylene; Cloning, Molecular; Cysteine; DNA Mutational Analysis; Electron Spin Resonance Spectroscopy; Genes, Bacterial; Genetic Complementation Test; Klebsiella pneumoniae; Nitrogen Fixation; Nitrogenase; Recombinant Proteins; Structure-Activity Relationship | 1989 |
Estimation of nitrogenase activity in the presence of ethylene biosynthesis by use of deuterated acetylene as a substrate.
Topics: Acetylene; Deuterium; Ethylenes; Klebsiella pneumoniae; Mutation; Nitrogenase; Rhizobium; Spectrophotometry, Infrared | 1989 |
Interaction between hydrogenase, nitrogenase, and respiratory activities in a Frankia isolate from Alnus rubra.
Topics: Acetylene; Actinomycetales; Bacterial Proteins; Electron Transport; Fabaceae; Hydrogen; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Oxygen; Plants, Medicinal | 1989 |
Effect of glutamine on growth and heterocyst differentiation in the cyanobacterium Anabaena variabilis.
Topics: Acetylene; Amino Acids; Ammonia; Biological Transport; Cyanobacteria; Glutamates; Glutamic Acid; Glutamine; Mutation; Nitrogen; Nitrogenase; Oxidation-Reduction | 1986 |
In vitro synthesis of the iron-molybdenum cofactor of nitrogenase.
Topics: Acetylene; Adenosine Triphosphate; Azotobacter; Bacterial Proteins; Cell-Free System; Chloramphenicol; Electron Spin Resonance Spectroscopy; Enzyme Activation; Ferredoxins; Genes, Bacterial; Genetic Complementation Test; Klebsiella pneumoniae; Molybdenum; Molybdoferredoxin; Nitrogen Fixation; Nitrogenase; Operon; Protein Processing, Post-Translational; Tungsten; Tungsten Compounds; Vanadates; Vanadium | 1986 |
Tn5-induced mutants of Azotobacter vinelandii affected in nitrogen fixation under Mo-deficient and Mo-sufficient conditions.
Topics: Acetylene; Azotobacter; Culture Media; Dinitrogenase Reductase; DNA Transposable Elements; Ferredoxins; Genes, Bacterial; Molybdenum; Mutation; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Vanadium | 1986 |
Clostridial pyruvate oxidoreductase and the pyruvate-oxidizing enzyme specific to nitrogen fixation in Klebsiella pneumoniae are similar enzymes.
Topics: Acetylene; Clostridium; Cysteine; Drug Stability; Electron Spin Resonance Spectroscopy; Electron Transport; Flavins; Flavodoxin; Iron; Ketone Oxidoreductases; Klebsiella pneumoniae; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Protein Denaturation; Pyruvate Synthase; Spectrophotometry; Sulfur; Thiamine Pyrophosphate; Thioctic Acid | 1987 |
Tight coupling of root-associated nitrogen fixation and plant photosynthesis in the salt marsh grass Spartina alterniflora and carbon dioxide enhancement of nitrogenase activity.
Topics: Acetylene; Bacteria; Carbon Dioxide; Chromatography, Gas; Kinetics; Light; Microscopy, Electron, Scanning; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Photosynthesis; Poaceae; Seawater | 1986 |
The use of nickel to probe the role of hydrogen metabolism in cyanobacterial nitrogen fixation.
Topics: Acetylene; Biological Transport; Cyanobacteria; Hot Temperature; Hydrogen; Hydrogenase; Kinetics; Nickel; Nitrogen Fixation; Nitrogenase; Oxygen | 1986 |
Isolation of cyanobacterial heterocysts with high and sustained dinitrogen-fixation capacity supported by endogenous reductants.
Topics: Acetylene; Aerobiosis; Cold Temperature; Cyanobacteria; Light; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Water-Electrolyte Balance | 1986 |
The vanadium nitrogenase of Azotobacter chroococcum. Reduction of acetylene and ethylene to ethane.
Topics: Acetylene; Azotobacter; Carbon Monoxide; Electron Transport; Ethane; Ethylenes; Hydrogen; Hydrogen-Ion Concentration; Nitrogenase; Oxidation-Reduction; Temperature | 1988 |
Evidence for adenylate nucleotide transport (ATP-ADP translocation) in vesicles of Frankia sp. strain EAN1pec.
Topics: Acetylene; Actinomycetales; Adenosine Diphosphate; Adenosine Triphosphate; Atractyloside; Kinetics; Nitrogenase; Oxidation-Reduction | 1988 |
Cyanamide: a new substrate for nitrogenase.
Topics: Acetylene; Ammonia; Cyanamide; Cyanides; Hydrogen; Kinetics; Methane; Methylamines; Molybdenum; Nitrogenase; Oxidation-Reduction; Substrate Specificity; Vanadium | 1988 |
Evidence for NH4+ switch-off regulation of nitrogenase activity by bacteria in salt marsh sediments and roots of the grass Spartina alterniflora.
Topics: Acetylene; Bacteria; Ecology; Mannose; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Poaceae; Quaternary Ammonium Compounds; Water Microbiology | 1986 |
Mechanism of nitrogenase switch-off by oxygen.
Topics: Acetylene; Cyanides; Kinetics; Klebsiella pneumoniae; Nitrogenase; Oxygen; Rhodobacter sphaeroides; Rhodopseudomonas; Species Specificity | 1987 |
Effect of O2 on vesicle formation, acetylene reduction, and O2-uptake kinetics in Frankia sp. HFPCcI3 isolated from Casuarina cunninghamiana.
Topics: Acetylene; Cells, Cultured; Enzyme Induction; Kinetics; Nitrogen Fixation; Nitrogenase; Oxygen; Oxygen Consumption; Plants | 1985 |
Cooperative interactions in enzymes: the binding of 1, N6-etheno-ATP to Aztobacter vinelandii nitrogenase.
Topics: Acetylene; Adenosine Triphosphate; Azotobacter; Imidazoles; Iron; Kinetics; Nitrogenase; Oxidation-Reduction; Stimulation, Chemical | 1973 |
Nitrogenase activity and photosynthesis in Plectonema boryanum.
Topics: Acetylene; Argon; Carbon Dioxide; Chromatography, Gas; Cyanobacteria; Diuron; Hydrogen; Light; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxygen; Photosynthesis | 1974 |
Photosynthesis and nitrogenase activity in the blue-green alga Gloeocapsa.
Topics: Acetylene; Chlorophyll; Cyanobacteria; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxygen; Photosynthesis; Pigments, Biological; Spectrophotometry; Time Factors | 1974 |
Pyruvate and nitrogenase activity in cell-free extracts of the blue-green alga Anabaena cylindrica.
Topics: Acetylene; Cell-Free System; Cyanobacteria; Dithionite; Ferredoxins; Ketone Oxidoreductases; Nitrogenase; Pyruvate Dehydrogenase Complex; Pyruvates | 1974 |
In vivo kinetics of nitrogenase formation in Clostridium pasteurianum.
Topics: Acetylene; Animals; Azo Compounds; Bacterial Proteins; Carbon Radioisotopes; Clostridium; Culture Media; Dactinomycin; Ferredoxins; Immunodiffusion; Kinetics; Molybdenum; Nitrogenase; Oxidation-Reduction; Protein Biosynthesis; Rabbits; Rifampin; RNA, Bacterial; RNA, Messenger; Time Factors; Transcription, Genetic; Uracil | 1974 |
Pyruvate metabolism and nitrogen fixation in Azotobacter.
Topics: Acetates; Acetyl Coenzyme A; Acetylene; Acetyltransferases; Azotobacter; Culture Media; Escherichia coli; Ethanol; Mannitol; Nitrogen Fixation; Nitrogenase; Phosphates; Phosphotransferases; Pseudomonadaceae; Pyruvates; Species Specificity; Sucrose | 1973 |
Effect of magnesium adenosine 5'-triphosphate on the accessibility of the iron of clostridial azoferredoxin, a component of nitrogenase.
Topics: Acetylene; Adenosine Triphosphate; Azo Compounds; Catalysis; Chelating Agents; Chemical Phenomena; Chemistry; Clostridium; Electron Spin Resonance Spectroscopy; Ferredoxins; Iron; Magnesium; Metalloproteins; Molybdenum; Nitrogenase; Nucleotides; Oxidation-Reduction; Protein Conformation; Pyridines; Sulfites | 1974 |
NADH, a physiological electron donor in clostridial nitrogen fixation.
Topics: Acetylene; Ammonia; Chromatography, DEAE-Cellulose; Chromatography, Gas; Chromatography, Ion Exchange; Clostridium; Deoxyribonucleases; Electron Transport; Ferredoxins; Formates; Hydrogen; Kinetics; NAD; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Pyruvates; Sulfites | 1974 |
Nitrogen fixation by the rumen contents of sheep.
Topics: Acetylene; Anaerobiosis; Animal Feed; Animals; Bacillus; Bacteria; Carbohydrate Metabolism; Gastric Juice; Glucose; Male; Molasses; Nitrogen Fixation; Nitrogen Isotopes; Nitrogenase; Oxidation-Reduction; Poaceae; Rumen; Sheep | 1974 |
Quantitative relations for the repression of nitrogenase synthesis in Azotobacter vinelandii by ammonia.
Topics: Acetylene; Ammonia; Azotobacter; Chromatography, Gas; Diffusion; Enzyme Repression; Ethylenes; Nitrogenase; Oxidation-Reduction; Oxygen | 1974 |
Facultatively anaerobic nitrogen-fixing bacteria from the marine environment.
Topics: Acetylene; Anaerobiosis; Azotobacter; Bacteriological Techniques; Cell-Free System; Chromatography, Gas; Enterobacter; Klebsiella pneumoniae; Nitrogen Fixation; Nitrogenase; Oregon; Oxidation-Reduction; Seasons; Seawater; Soil Microbiology; Water Microbiology | 1974 |
Nitrogenase of Klebsiella pneumoniae. Inhibition of acetylene reduction by magnesium ion explained by the formation of an inactive dimagnesium-adenosine triphophate complex.
Topics: Acetylene; Adenosine Triphosphate; Kinetics; Klebsiella pneumoniae; Magnesium; Nitrogenase; Oxidation-Reduction; Temperature | 1974 |
Mechanism of carbamyl phosphate inhibition of nitrogenase of Clostridium pasteurianum.
Topics: Acetylene; Adenosine Triphosphate; Ammonia; Carbamates; Carbon Radioisotopes; Cell-Free System; Clostridium; Enzyme Repression; Ferredoxins; Hydrogen; Hydrolysis; Magnesium; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Phosphates; Phosphocreatine; Protein Binding | 1974 |
Diurnal variations of nitrogenase activity in the field.
Topics: Acetylene; Analysis of Variance; Arachis; Bacteria; Circadian Rhythm; Climate; Nitrogen Fixation; Nitrogenase; Oryza; Oxidation-Reduction; Plants; Poaceae; Soil Microbiology | 1974 |
Influence of nitrogen source on growth and nitrogenase activity in Azotobacter vinelandii.
Topics: Acetylene; Ammonium Sulfate; Aspartic Acid; Azotobacter; Chromatography, Gas; Enzyme Repression; Ethylenes; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxygen; Saccharomyces; Spectrophotometry; Time Factors | 1974 |
N2-fixation by chemoautotrophic hydrogen bacteria.
Topics: Acetylene; Aerobiosis; Argon; Bacteria; Culture Media; Ethylenes; Glutamates; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction | 1974 |
Facilitated oxygen diffusion. The role of leghemoglobin in nitrogen fixation by bacteroids isolated from soybean root nodules.
Topics: Acetylene; Animals; Bacteroides; Catalase; Cetacea; Glycine max; Hemeproteins; Hemocyanins; Humans; Insecta; Iron; Molecular Weight; Mollusca; Myoglobin; Nematoda; Nephropidae; Nitrogen Fixation; Nitrogenase; Oligochaeta; Oxygen Consumption; Partial Pressure; Peroxidases; Plant Proteins; Protein Binding; Proteins; Superoxide Dismutase | 1974 |
Expression of an alternative nitrogen fixation system in Azotobacter vinelandii.
Topics: Acetylene; Azotobacter; Electron Spin Resonance Spectroscopy; Electrophoresis, Polyacrylamide Gel; Molybdenum; Nitrogen Fixation; Nitrogenase; Rhenium; Vanadium | 1982 |
Nitrogen fixation and ammonia switch-off in the photosynthetic bacterium Rhodopseudomonas viridis.
Topics: Acetylene; Ammonia; Anaerobiosis; Electron Spin Resonance Spectroscopy; Kinetics; Nitrogen Fixation; Nitrogenase; Photosynthesis; Rhodopseudomonas | 1983 |
Nitrogenase of Klebsiella pneumoniae nifV mutants.
Topics: Acetylene; Adenosine Triphosphate; Carbon Monoxide; Dithionite; Hydrogen; Hydrogen-Ion Concentration; Klebsiella pneumoniae; Molybdoferredoxin; Mutation; Nitrogenase | 1983 |
Repression of nitrogen fixation in Klebsiella pneumoniae at high temperature.
Topics: Acetylene; Enzyme Repression; Hot Temperature; Klebsiella pneumoniae; Mutation; Nitrogen Fixation; Nitrogenase | 1984 |
Oxygen inactivation and recovery of nitrogenase activity in cyanobacteria.
Topics: Acetylene; Cyanobacteria; Dose-Response Relationship, Drug; Kinetics; Mutation; Nitrogenase; Oxygen; Plant Proteins | 1983 |
High endogenous nitrogenase activity in isolated heterocysts of Anabaena sp. strain CA after nitrogen starvation.
Topics: Acetylene; Argon; Carbon Dioxide; Cyanobacteria; Methionine Sulfoximine; Nitrogen; Nitrogenase; Oxidation-Reduction | 1983 |
The role of Mg2+ and Mn2+ in the enzyme-catalysed activation of nitrogenase Fe protein from Rhodospirillum rubrum.
Topics: Acetylene; Adenosine Triphosphate; Binding Sites; Enzyme Activation; Kinetics; Magnesium; Manganese; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Rhodospirillum rubrum | 1983 |
Oxygen protection of nitrogenase in Frankia sp. HFPArI3.
Topics: Acetylene; Fungi; Nitrogenase; Oxygen; Oxygen Consumption | 1984 |
Regulatory effect of hydrogen on nitrogenase activity of the blue-green alga (cyanobacterium) Nostoc muscorum.
Topics: Acetylene; Ammonium Chloride; Carbonyl Cyanide p-Trifluoromethoxyphenylhydrazone; Chloramphenicol; Cyanobacteria; Hydrogen; Nitrogenase; Rifampin | 1980 |
Increase of nitrogenase activity in the blue-green alga Nostoc muscorum (Cyanobacterium).
Topics: Acetylene; Carbonyl Cyanide m-Chlorophenyl Hydrazone; Chloramphenicol; Cyanobacteria; Hydrogen; Nitrogenase; Oxidation-Reduction; Oxygen; Quaternary Ammonium Compounds; Rifampin | 1980 |
Hydrogen metabolism by filamentous cyanobacteria.
Topics: Acetylene; Biological Transport; Carbon Dioxide; Cyanobacteria; Hydrogen; Light; Nitrogenase; Oxygen | 1980 |
Effect of oxygen on acetylene reduction by photosynthetic bacteria.
Topics: Acetylene; Chromatium; Cyanides; Nitrogenase; Oxygen; Oxygen Consumption; Rhodopseudomonas; Rhodospirillum rubrum | 1981 |
Factors affecting vesicle formation and acetylene reduction (nitrogenase activity) in Frankia sp. CpI1.
Topics: Acetylene; Culture Media; Edetic Acid; Fungi; Hydrogen-Ion Concentration; Nitrogenase; Organoids; Oxygen; Succinates; Succinic Acid; Temperature | 1981 |
Regulation of nitrogenase activity in aerobes by Mg2+ availability: an hypothesis.
Topics: Acetylene; Adenosine Diphosphate; Adenosine Triphosphate; Aerobiosis; Azotobacter; Cell Membrane; Kinetics; Magnesium; Nitrogenase | 1980 |
Effect of 2-aminobenzimidazole on nitrogen fixers from flooded soil and their nitrogenase activity.
Topics: Acetylene; Benzimidazoles; Disasters; Hydrogen-Ion Concentration; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Soil Microbiology | 1980 |
Effect of NH4+ on nitrogenase activity in nodule breis and bacteroides from Pisum sativum L.
Topics: Acetylene; Adenosine Triphosphate; Ammonium Chloride; Fabaceae; Hydrogen; Kinetics; Nitrogenase; Oxidation-Reduction; Plants; Plants, Medicinal; Rhizobium | 1981 |
Nitrogen fixation system of tungsten-resistant mutants of Azotobacter vinelandii.
Topics: Acetylene; Azotobacter; Drug Resistance, Microbial; Molybdenum; Mutation; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Tungsten | 1982 |
Roles of nifF and nifJ gene products in electron transport to nitrogenase in Klebsiella pneumoniae.
Topics: Acetylene; Azotobacter; Bacterial Proteins; Cell-Free System; Electron Transport; Flavodoxin; Formates; Genes; Klebsiella pneumoniae; Molybdoferredoxin; Mutation; Nitrogenase; Pyruvates | 1980 |
In vivo and in vitro kinetics of nitrogenase.
Topics: Acetylene; Azides; Azotobacter; Carbon Monoxide; Clostridium; Cyanides; Kinetics; Klebsiella pneumoniae; Nitrogen; Nitrogenase | 1980 |
Continuous monitoring, by mass spectrometry, of H2 production and recycling in Rhodopseudomonas capsulata.
Topics: Acetylene; Bacterial Chromatophores; Carbon Monoxide; Deuterium; Hydrogen; Hydrogenase; Kinetics; Light; Mass Spectrometry; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Rhodopseudomonas | 1980 |
A second nitrogenase in vegetative cells of a heterocyst-forming cyanobacterium.
Topics: Acetylene; Amino Acid Sequence; Anabaena; Blotting, Southern; Cloning, Molecular; Enzyme Induction; Gene Expression; Genes, Bacterial; Molecular Sequence Data; Nitrogen Fixation; Nitrogenase; Recombinant Proteins; Restriction Mapping; Sequence Homology, Amino Acid; Symbiosis | 1995 |
The photoreduction of nitrogenase.
Topics: Acetylene; Adenosine Triphosphatases; Azotobacter vinelandii; Catalysis; Dithionite; Eosine Yellowish-(YS); Kinetics; NAD; Nitrogen; Nitrogenase; Oxidation-Reduction; Photochemistry | 1993 |
The genes encoding the delta subunits of dinitrogenases 2 and 3 are required for mo-independent diazotrophic growth by Azotobacter vinelandii.
Topics: Acetylene; Azotobacter vinelandii; Bacterial Proteins; Base Sequence; Electrophoresis, Gel, Two-Dimensional; Genes, Bacterial; Isoenzymes; Molecular Sequence Data; Molybdenum; Mutagenesis, Site-Directed; Nitrogen; Nitrogenase; Oxidation-Reduction; Protein Conformation; Vanadates | 1995 |
Characterization of nifB, nifS, and nifU genes in the cyanobacterium Anabaena variabilis: NifB is required for the vanadium-dependent nitrogenase.
Topics: Acetylene; Anabaena; Bacterial Proteins; Cloning, Molecular; Genes, Bacterial; Genetic Complementation Test; Mutagenesis; Nitrogen Fixation; Nitrogenase; Restriction Mapping; Transcription, Genetic; Vanadium | 1995 |
Nitrogenase reactivity: effects of pH on substrate reduction and CO inhibition.
Topics: Acetylene; Adenosine Triphosphate; Azotobacter vinelandii; Buffers; Carbon Monoxide; Hydrogen; Hydrogen-Ion Concentration; Iron; Molybdenum; Nitrogen; Nitrogenase; Osmolar Concentration; Oxidation-Reduction | 1993 |
Expression of the nifBfdxNnifOQ region of Azotobacter vinelandii and its role in nitrogenase activity.
Topics: Acetylene; Azotobacter vinelandii; Bacterial Proteins; Base Sequence; beta-Galactosidase; Chromosome Mapping; Enzyme Repression; Ferredoxins; Genes, Bacterial; Iron; Molecular Sequence Data; Molybdenum; Mutagenesis, Insertional; Nitrogen Fixation; Nitrogenase; Oxidoreductases; Recombinant Fusion Proteins; Transcription Factors | 1993 |
Characteristics of orf1 and orf2 in the anfHDGK genomic region encoding nitrogenase 3 of Azotobacter vinelandii.
Topics: Acetylene; Azotobacter vinelandii; Bacterial Proteins; Genes, Bacterial; Molecular Sequence Data; Molybdenum; Mutation; Nitrogen Fixation; Nitrogenase; Open Reading Frames; Oxidation-Reduction; Sequence Analysis, DNA; Vanadium | 1996 |
Reduction of cyclic and acyclic diazene derivates by Azotobacter vinelandii nitrogenase: diazirine and trans-dimethyldiazene.
Topics: Acetylene; Azo Compounds; Azotobacter vinelandii; Carbon Monoxide; Diazomethane; Electron Transport; Hydrogen; Kinetics; Molecular Probes; Molecular Structure; Nitrogenase; Oxidation-Reduction; Solubility; Spectrophotometry, Infrared; Spectrophotometry, Ultraviolet; Substrate Specificity; Water | 1996 |
Purification and characterization of the alternative nitrogenase from the photosynthetic bacterium Rhodospirillum rubrum.
Topics: Acetylene; Apoenzymes; Bacterial Proteins; Dinitrogenase Reductase; Electron Spin Resonance Spectroscopy; Electrophoresis, Polyacrylamide Gel; Ethane; Iron; Iron-Sulfur Proteins; Isoenzymes; Metals; Mutation; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Protein Conformation; Quaternary Ammonium Compounds; Rhodospirillum rubrum; Substrate Specificity; Tricarboxylic Acids | 1996 |
Evidence for electron transfer from the nitrogenase iron protein to the molybdenum-iron protein without MgATP hydrolysis: characterization of a tight protein-protein complex.
Topics: Acetylene; Adenosine Diphosphate; Adenosine Triphosphate; Azotobacter vinelandii; Dithionite; Electron Spin Resonance Spectroscopy; Electron Transport; Electrophoresis, Polyacrylamide Gel; Iron-Sulfur Proteins; Kinetics; Molybdoferredoxin; Mutagenesis, Site-Directed; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Protein Binding; Protein Conformation; Spectrophotometry | 1996 |
The [4Fe-4S] cluster domain of the nitrogenase iron protein facilitates conformational changes required for the cooperative binding of two nucleotides.
Topics: Acetylene; Adenosine Triphosphate; Azotobacter vinelandii; Circular Dichroism; Electrochemistry; Electron Spin Resonance Spectroscopy; Ethylenes; Iron-Sulfur Proteins; Magnetic Resonance Spectroscopy; Models, Molecular; Mutagenesis, Site-Directed; Mutation; Nitrogenase; Nucleotides; Oxidation-Reduction; Protein Binding; Protein Conformation; Protein Structure, Secondary | 1996 |
Regulation of nitrogen fixation by different nitrogen sources in the filamentous non-heterocystous cyanobacterium Microcoleus sp.
Topics: Acetylene; Cyanobacteria; Darkness; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Urea | 1997 |
Characterization of a spontaneous mutant of Azotobacter vinelandii in which vanadium-dependent nitrogen fixation is not inhibited by molybdenum.
Topics: Acetylene; Azotobacter vinelandii; Gene Expression; Molybdenum; Mutation; Nitrate Reductase; Nitrate Reductases; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Recombinant Fusion Proteins; Tungsten Compounds; Vanadium; Vanadium Compounds | 1998 |
Effect of some physiological factors on nitrogenase activity and nitrogenase mediated hydrogen evolution by mixed microbial culture.
Topics: Acetylene; Anaerobiosis; Animals; Bacteria; Cattle; Culture Media; Feces; Hydrogen; Hydrogenase; Nitrates; Nitrogenase; Oxidation-Reduction; Oxygen; Temperature | 1998 |
Purification and characterization of pyruvate oxidoreductase from the photosynthetic bacterium Rhodobacter capsulatus.
Topics: Acetylene; Amino Acids; Bacterial Proteins; Electron Spin Resonance Spectroscopy; Electron Transport; Enzyme Stability; Free Radicals; Ketone Oxidoreductases; Nitrogenase; Protein Conformation; Pyruvate Synthase; Pyruvic Acid; Rhodobacter capsulatus; Spectrophotometry | 1998 |
The presence and expression of hetR in the non-heterocystous cyanobacterium Symploca PCC 8002.
Topics: Acetylene; Ammonia; Bacterial Proteins; Blotting, Northern; Culture Media; Cyanobacteria; DNA, Bacterial; Gene Expression Regulation, Bacterial; Genes, Bacterial; Molecular Sequence Data; Nitrates; Nitrogen Fixation; Nitrogenase; Oxidoreductases; Plant Proteins; Polymerase Chain Reaction; Sequence Analysis, DNA | 1998 |
Comparative phylogeny of rrs and nifH genes in the Bacillaceae.
Topics: Acetylene; Bacillaceae; Bacillus; DNA, Bacterial; Gene Amplification; Genes, Bacterial; Genes, rRNA; Molecular Sequence Data; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Phenotype; Phylogeny; Plant Roots; Sequence Analysis, DNA; Triticum; Zea mays | 1999 |
Azotobacter vinelandii nitrogenases containing altered MoFe proteins with substitutions in the FeMo-cofactor environment: effects on the catalyzed reduction of acetylene and ethylene.
Topics: Acetylene; Amino Acid Substitution; Azotobacter vinelandii; Catalysis; Enzyme Activation; Enzyme Inhibitors; Ethylenes; Kinetics; Molybdoferredoxin; Mutagenesis, Site-Directed; Nitrogenase; Oxidation-Reduction; Stereoisomerism; Substrate Specificity | 2000 |
Isolation and characterization of an acetylene-resistant nitrogenase.
Topics: Acetylene; Azotobacter vinelandii; Binding Sites; Enzyme Inhibitors; Nitrogenase; Phenotype; Structure-Activity Relationship | 2000 |
Competitive substrate and inhibitor interactions at the physiologically relevant active site of nitrogenase.
Topics: Acetylene; Amino Acid Substitution; Azides; Azotobacter vinelandii; Binding Sites; Binding, Competitive; Carbon Monoxide; Kinetics; Models, Molecular; Molybdoferredoxin; Mutation; Nitrogen; Nitrogenase; Nitrous Oxide; Substrate Specificity | 2000 |
Azotobacter vinelandii nitrogenases with substitutions in the FeMo-cofactor environment of the MoFe protein: effects of acetylene or ethylene on interactions with H+, HCN, and CN-.
Topics: Acetylene; Amino Acid Substitution; Azotobacter vinelandii; Carbon Monoxide; Cyanides; Enzyme Inhibitors; Ethylenes; Hydrogen Cyanide; Methane; Methylamines; Molybdoferredoxin; Nitrogenase; Oxidation-Reduction; Protons; Sodium Cyanide; Substrate Specificity | 2000 |
N2-dependent growth and nitrogenase activity in the metal-metabolizing bacteria, Geobacter and Magnetospirillum species.
Topics: Acetylene; DNA, Bacterial; Ethylenes; Genes, Bacterial; Iron; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Proteobacteria; Rhodospirillaceae | 2000 |
Nitrogenase activity in cyanobacteria measured by the acetylene reduction assay: a comparison between batch incubation and on-line monitoring.
Topics: Acetylene; Azotobacter; Biomass; Chlorophyll; Chlorophyll A; Chromatography, Gas; Cyanobacteria; Ethylenes; Kinetics; Light; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxygen; Thermodynamics | 2001 |
Nitrogen fixation by symbiotic and free-living spirochetes.
Topics: Acetylene; Animals; Cattle; Culture Media; Digestive System; Genes, Bacterial; Geologic Sediments; Humans; Hydrogen; Isoptera; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Oxidoreductases; Oxygen; Spirochaeta; Spirochaetaceae; Symbiosis; Treponema | 2001 |
Stereospecificity of acetylene reduction catalyzed by nitrogenase.
Topics: Acetylene; Amino Acid Substitution; Azotobacter vinelandii; Deuterium; Metalloproteins; Molecular Conformation; Molybdoferredoxin; Nitrogenase; Oxidation-Reduction; Spectroscopy, Fourier Transform Infrared | 2001 |
Metalaxyl effect on nitrogenase activity (acetylene reduction) and yield of mungbean (Vigna radiata (L.) wilzek).
Topics: Acetylene; Alanine; Bradyrhizobium; Fabaceae; Fungicides, Industrial; Nitrogenase; Plant Roots | 2001 |
Cyanobacteria in Uruguayan rice fields: diversity, nitrogen fixing ability and tolerance to herbicides and combined nitrogen.
Topics: Acetylene; Cyanobacteria; Drug Resistance, Bacterial; Fertilizers; Herbicides; Nitrogen Fixation; Nitrogenase; Oryza; Photosynthesis; Propanil; Uruguay | 2001 |
Interaction of acetylene and cyanide with the resting state of nitrogenase alpha-96-substituted MoFe proteins.
Topics: Acetylene; Amino Acid Substitution; Arginine; Azotobacter vinelandii; Binding Sites; Carbon Monoxide; Catalytic Domain; Cyanides; Electron Spin Resonance Spectroscopy; Enzyme Inhibitors; Glutamine; Histidine; Leucine; Molybdoferredoxin; Nitrogenase; Substrate Specificity; Thermodynamics | 2001 |
Nitrogen-fixation genes and nitrogenase activity in Clostridium acetobutylicum and Clostridium beijerinckii.
Topics: Acetylene; Amino Acid Sequence; Bacterial Proteins; Binding Sites; Cloning, Molecular; Clostridium; Genes, Bacterial; Molecular Sequence Data; Multigene Family; Nitrogen Fixation; Nitrogenase; Physical Chromosome Mapping; PII Nitrogen Regulatory Proteins; Sequence Analysis, DNA; Sequence Homology, Amino Acid; Species Specificity | 2001 |
Modeling growth and biochemical activities of Azospirillum spp.
Topics: Acetylene; Azospirillum; Azospirillum brasilense; Biodegradation, Environmental; Culture Media; Models, Theoretical; Nitrogenase; Oxygen Consumption; Polysaccharides, Bacterial | 2002 |
Evidence that carbon dioxide enrichment alleviates ureide-induced decline of nodule nitrogenase activity.
Topics: Acetylene; Bradyrhizobium; Carbon Dioxide; Enzyme Inhibitors; Glycine max; Nitrogen Fixation; Nitrogenase; Plant Leaves; Urea | 2003 |
Inhibition of cell division blocks the synthesis of the second nitrogenase (Nif2) in the cyanobacterium Anabaena variabilis.
Topics: Acetylene; Anabaena; Anaerobiosis; Anti-Bacterial Agents; Cell Division; Cephalexin; Culture Media; Enzyme Induction; Immunoblotting; Microscopy; Nitrogenase; Oxidation-Reduction | 2003 |
Temperature excludes N2-fixing heterocystous cyanobacteria in the tropical oceans.
Topics: Acetylene; Cyanobacteria; Nitrogen; Nitrogen Fixation; Nitrogenase; Oceans and Seas; Oxygen; Seawater; Temperature; Tropical Climate | 2003 |
Differentiation of acetylene-reduction sites by stereoselective proton addition during Azotobacter vinelandii nitrogenase-catalyzed C2D2 reduction.
Topics: Acetylene; Azotobacter vinelandii; Binding Sites; Carbon Monoxide; Catalysis; Electrons; Enzyme Inhibitors; Ethylenes; Hydrogen-Ion Concentration; Models, Chemical; Molybdoferredoxin; Nitrogen; Nitrogenase; Oxidation-Reduction; Protons; Stereoisomerism; Substrate Specificity | 2004 |
An atomic level model for the interactions of molybdenum nitrogenase with carbon monoxide, acetylene, and ethylene.
Topics: Acetylene; Bacterial Proteins; Binding Sites; Carbon Monoxide; Crystallography, X-Ray; Ethylenes; Iron; Models, Molecular; Molecular Structure; Molybdenum; Nitrogenase; Protein Binding; Protein Structure, Tertiary | 2004 |
Localization of a catalytic intermediate bound to the FeMo-cofactor of nitrogenase.
Topics: Acetylene; Alanine; Azotobacter; Azotobacter vinelandii; Binding Sites; Catalytic Domain; Electron Spin Resonance Spectroscopy; Histidine; Hydrogen-Ion Concentration; Imidazoles; Iron; Kinetics; Magnetics; Models, Chemical; Models, Molecular; Molybdoferredoxin; Nitrogenase; Protein Binding; Valine | 2004 |
Can mushrooms fix atmospheric nitrogen?
Topics: Acetylene; Agar; Agaricales; Biofilms; Bradyrhizobium; Cell Proliferation; Mannitol; Nitrogen; Nitrogen Fixation; Nitrogenase; Soil Microbiology; Temperature | 2004 |
Substrate interaction at an iron-sulfur face of the FeMo-cofactor during nitrogenase catalysis.
Topics: Acetylene; Alanine; Azotobacter vinelandii; Binding Sites; Catalysis; Dose-Response Relationship, Drug; Hydrazines; Hydrogen-Ion Concentration; Iron; Isoleucine; Kinetics; Macromolecular Substances; Models, Chemical; Models, Molecular; Molybdoferredoxin; Nitrogen; Nitrogenase; Oxidation-Reduction; Protein Binding; Substrate Specificity | 2004 |
2-Oxoglutarate and the PII homologues NifI1 and NifI2 regulate nitrogenase activity in cell extracts of Methanococcus maripaludis.
Topics: Acetylene; Archaeal Proteins; Gene Expression Regulation, Archaeal; Genes, Switch; Ketoglutaric Acids; Methanococcus; Mutation; Nitrogen Fixation; Nitrogenase; PII Nitrogen Regulatory Proteins | 2005 |
Model for acetylene reduction by nitrogenase derived from density functional theory.
Topics: Acetylene; Binding, Competitive; Catalytic Domain; Enzyme Inhibitors; Hydrogen; Models, Chemical; Molybdoferredoxin; Nitrogen; Nitrogenase; Oxidation-Reduction; Thermodynamics | 2005 |
Electron inventory, kinetic assignment (E(n)), structure, and bonding of nitrogenase turnover intermediates with C2H2 and CO.
Topics: Acetylene; Azotobacter vinelandii; Binding Sites; Carbon Monoxide; Electrons; Ethylenes; Iron; Kinetics; Models, Molecular; Molecular Structure; Molybdoferredoxin; Nitrogenase; Oxidation-Reduction | 2005 |
Wheat root colonization and nitrogenase activity by Azospirillum isolates from crop plants in Korea.
Topics: Acetylene; Artificial Gene Fusion; Azospirillum; Bacterial Typing Techniques; beta-Galactosidase; Crops, Agricultural; DNA, Bacterial; DNA, Ribosomal; Enterobacter; Gene Expression; Genes, Reporter; Korea; Nitrogenase; Oxidation-Reduction; Plant Roots; Sequence Analysis, DNA; Triticum | 2005 |
Phosphoenolpyruvate carboxylase plays a crucial role in limiting nitrogen fixation in Lotus japonicus nodules.
Topics: Acetylene; Carbon Dioxide; DNA, Plant; Gene Expression Regulation, Plant; Genes, Plant; Glucosyltransferases; Lotus; Nitrogen; Nitrogen Fixation; Nitrogenase; Phenotype; Phosphoenolpyruvate Carboxylase; Plant Proteins; Plant Roots; RNA, Plant; Suppression, Genetic; Transaminases | 2006 |
Mechanistic significance of the preparatory migration of hydrogen atoms around the FeMo-co active site of nitrogenase.
Topics: Acetylene; Azotobacter vinelandii; Binding Sites; Glycine; Hydrogen; Hydrogenation; Kinetics; Models, Biological; Models, Molecular; Models, Theoretical; Molybdoferredoxin; Nitrogen; Nitrogenase; Serine; Stereoisomerism | 2006 |
Watering, fertilization, and slurry inoculation promote recovery of biological crust function in degraded soils.
Topics: Acetylene; Analysis of Variance; Carbon Dioxide; Chlorophyll; Chlorophyll A; Conservation of Natural Resources; Cyanobacteria; Desert Climate; Ecosystem; Environmental Monitoring; Fertilizers; Lichens; Nitrogen; Nitrogen Fixation; Nitrogenase; Phylogeny; RNA, Ribosomal, 16S; Sewage; Soil Microbiology; Water | 2006 |
On the role of oxygen for nitrogen fixation in the marine cyanobacterium Trichodesmium sp.
Topics: Acetylene; Chlorophyll; Culture Media; Cyanobacteria; Darkness; Light; Nitrogen Fixation; Nitrogenase; Oxygen; Photosynthesis; Seawater | 2007 |
Epilithic cyanobacterial communities of a marine tropical beach rock (Heron Island, Great Barrier Reef): diversity and diazotrophy.
Topics: Acetylene; Australia; Biodiversity; Cluster Analysis; Cyanobacteria; DNA, Bacterial; DNA, Ribosomal; Electrophoresis, Polyacrylamide Gel; Gene Library; Genes, rRNA; Microscopy, Electron, Scanning; Molecular Sequence Data; Nitrogen Fixation; Nitrogenase; Nucleic Acid Denaturation; Oxidoreductases; Pacific Ocean; Phylogeny; RNA, Bacterial; RNA, Ribosomal, 16S; Sequence Analysis, DNA; Sequence Homology, Nucleic Acid; Soil Microbiology | 2007 |
Effects of disruption of homocitrate synthase genes on Nostoc sp. strain PCC 7120 photobiological hydrogen production and nitrogenase.
Topics: Acetylene; Bacterial Proteins; Blotting, Northern; Gene Expression Regulation, Bacterial; Green Fluorescent Proteins; Hydrogen; Molybdoferredoxin; Mutagenesis, Insertional; Nitrogenase; Nostoc; Oxo-Acid-Lyases | 2007 |
Effects of herbicide butachlor on soil microorganisms and on nitrogen-fixing abilities in paddy soil.
Topics: Acetanilides; Acetylene; DNA; DNA Primers; DNA, Bacterial; Herbicides; Nitrogen Fixation; Nitrogenase; Oryza; Oxidation-Reduction; Oxidoreductases; Polymerase Chain Reaction; Soil Microbiology; Taiwan | 2009 |
Physiological roles of glutathione s-transferases in soybean root nodules.
Topics: Acetylene; Down-Regulation; Glutathione Transferase; Glycine max; Kinetics; Nitrogenase; Oxidation-Reduction; Plant Proteins; RNA Interference; Root Nodules, Plant | 2009 |
Oxygen and the light-dark cycle of nitrogenase activity in two unicellular cyanobacteria.
Topics: Acetylene; Bacterial Proteins; Cyanobacteria; Light; Nitrogenase; Oxygen; Photoperiod | 2010 |
Endophytic nitrogen fixation in dune grasses (Ammophila arenaria and Elymus mollis) from Oregon.
Topics: Acetylene; Burkholderia; DNA, Ribosomal; Genes, rRNA; Gram-Negative Bacteria; Immunohistochemistry; Microscopy, Electron, Transmission; Nitrogen Fixation; Nitrogenase; Oregon; Plant Stems; Poaceae; Polymerase Chain Reaction; Pseudomonas; Rhizome; RNA, Ribosomal, 16S; Stenotrophomonas; Symbiosis | 2004 |
Catalytic activities of NifEN: implications for nitrogenase evolution and mechanism.
Topics: Acetylene; Amino Acid Sequence; Azides; Azotobacter vinelandii; Bacterial Proteins; Binding Sites; Carbon Monoxide; Catalysis; Catalytic Domain; Electron Spin Resonance Spectroscopy; Electron Transport; Evolution, Molecular; Kinetics; Models, Biological; Models, Molecular; Molecular Sequence Data; Molybdoferredoxin; Nitrogenase; Protein Binding; Protein Structure, Tertiary; Sequence Homology, Amino Acid; Substrate Specificity | 2009 |
Hydrogen production in nitrogenase mutants in Anabaena variabilis.
Topics: Acetylene; Amino Acid Sequence; Anabaena variabilis; Anaerobiosis; Base Sequence; Hydrogen; Molecular Sequence Data; Mutation; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction | 2010 |
Nitrogen fixation by a marine non-heterocystous cyanobacterium requires a heterotrophic bacterial consort.
Topics: Acetylene; Anaerobiosis; Bacteria; Culture Media; Cyanobacteria; Darkness; Diuron; Herbicides; Heterotrophic Processes; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidoreductases; Photoperiod; Reverse Transcriptase Polymerase Chain Reaction; Seawater | 2010 |
Production of nitric oxide and nitrosylleghemoglobin complexes in soybean nodules in response to flooding.
Topics: Acetylene; beta-Galactosidase; Bradyrhizobium; Electron Spin Resonance Spectroscopy; Floods; Gene Expression Regulation, Bacterial; Gene Expression Regulation, Plant; Genes, Bacterial; Glycine max; Leghemoglobin; Mutation; Nitric Oxide; Nitrogenase; Oxidation-Reduction; Paraquat; Reverse Transcriptase Polymerase Chain Reaction; Root Nodules, Plant; Water | 2010 |
Site-directed mutagenesis of the Anabaena sp. strain PCC 7120 nitrogenase active site to increase photobiological hydrogen production.
Topics: Acetylene; Anabaena; Catalytic Domain; Hydrogen; Mutagenesis, Site-Directed; Mutant Proteins; Nitrogen; Nitrogenase; Oxidation-Reduction; Phototrophic Processes; Sunlight | 2010 |
Characterization of isolated nitrogenase FeVco.
Topics: Acetylene; Ammonia; Azotobacter; Biocatalysis; Crystallography, X-Ray; Ethane; Models, Molecular; Molybdenum; Nitrogen; Nitrogenase; Substrate Specificity; Vanadium | 2010 |
Biological dinitrogen fixation by selected soil cyanobacteria as affected by strain origin, morphotype, and light conditions.
Topics: Acetylene; Cold Climate; Cyanobacteria; Darkness; Light; Nitrogen Fixation; Nitrogenase; Soil Microbiology; Tropical Climate | 2010 |
Carbon dioxide reduction to methane and coupling with acetylene to form propylene catalyzed by remodeled nitrogenase.
Topics: Acetylene; Alkenes; Carbon Dioxide; Catalysis; Methane; Models, Molecular; Nitrogenase; Oxidation-Reduction | 2012 |
Rhizobial synthesized cytokinins contribute to but are not essential for the symbiotic interaction between photosynthetic Bradyrhizobia and Aeschynomene legumes.
Topics: Acetylene; Bradyrhizobium; Cytokinins; Dose-Response Relationship, Drug; Ethylenes; Fabaceae; Genes, Reporter; Nitrogen Fixation; Nitrogenase; Phylogeny; Plant Growth Regulators; Plant Proteins; Plant Root Nodulation; Plant Roots; RNA, Plant; RNA, Transfer; Root Nodules, Plant; Sequence Deletion; Signal Transduction; Symbiosis | 2013 |
Growth and N2 fixation in an Alnus hirsuta (Turcz.) var. sibirica stand in Japan.
Topics: Acetylene; Alnus; Frankia; Japan; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Plant Leaves; Root Nodules, Plant; Seasons; Soil; Symbiosis | 2013 |
A novel intracellular nitrogen-fixing symbiosis made by Ustilago maydis and Bacillus spp.
Topics: Acetylene; Anti-Bacterial Agents; Bacillus; Electrophoresis, Agar Gel; In Situ Hybridization, Fluorescence; Intracellular Space; Molecular Sequence Data; Nitrogen; Nitrogen Fixation; Nitrogen Isotopes; Nitrogenase; Phylogeny; RNA, Ribosomal, 16S; Symbiosis; Ustilago | 2015 |
Endomicrobium proavitum, the first isolate of Endomicrobia class. nov. (phylum Elusimicrobia)--an ultramicrobacterium with an unusual cell cycle that fixes nitrogen with a Group IV nitrogenase.
Topics: Acetylene; Animals; Bacteria; Cell Cycle; Isoptera; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidation-Reduction; Phylogeny; RNA, Ribosomal, 16S; Symbiosis | 2016 |
The cyanobacterium Mastigocladus fulfills the nitrogen demand of a terrestrial hot spring microbial mat.
Topics: Acetylene; Bacterial Proteins; Biodiversity; Chile; Cyanobacteria; DNA, Bacterial; Ecosystem; Hot Springs; Nitrogen; Nitrogen Fixation; Nitrogenase; Oxidoreductases; RNA, Messenger; RNA, Ribosomal, 16S | 2015 |
Evidence for foliar endophytic nitrogen fixation in a widely distributed subalpine conifer.
Topics: Acetylene; Bacteria; Ecosystem; Endophytes; Ethylenes; Likelihood Functions; Nitrogen Fixation; Nitrogen Isotopes; Nitrogenase; Phylogeny; Pinus; Plant Leaves; Soil | 2016 |
Inorganic clusters with a [Fe2MoOS3] core-a functional model for acetylene reduction by nitrogenases.
Topics: Acetylene; Biomimetic Materials; Ferrous Compounds; Models, Chemical; Molecular Structure; Molybdoferredoxin; Nitrogenase; Oxidation-Reduction | 2016 |
Increased heterocyst frequency by patN disruption in Anabaena leads to enhanced photobiological hydrogen production at high light intensity and high cell density.
Topics: Acetylene; Anabaena; Bacterial Proteins; Gene Expression Regulation, Bacterial; Hydrogen; Nitrogen Fixation; Nitrogenase; Nostoc; Photobioreactors | 2017 |
Detection of Diazotrophy in the Acetylene-Fermenting Anaerobe Pelobacter sp. Strain SFB93.
Topics: Acetylene; Anaerobiosis; Bacterial Proteins; Deltaproteobacteria; Fermentation; Genome, Bacterial; Hydro-Lyases; Molybdenum; Nitrogen Fixation; Nitrogenase; Phylogeny | 2017 |
Structural characterization of the nitrogenase molybdenum-iron protein with the substrate acetylene trapped near the active site.
Topics: Acetylene; Catalytic Domain; Crystallography, X-Ray; Iron; Molecular Structure; Molybdenum; Nitrogenase; Oxidation-Reduction; Substrate Specificity | 2018 |
Preparation and spectroscopic characterization of lyophilized Mo nitrogenase.
Topics: Acetylene; Biocatalysis; Coenzymes; Electron Spin Resonance Spectroscopy; Enzyme Assays; Freeze Drying; Iron; Metalloproteins; Molybdenum; Molybdenum Cofactors; Nitrogenase; Pteridines; X-Ray Absorption Spectroscopy | 2021 |
Mangrove crab intestine and habitat sediment microbiomes cooperatively work on carbon and nitrogen cycling.
Topics: Acetylene; Animals; Brachyura; Carbon; Carbon Cycle; Cellulase; Cellulose; Ecosystem; Forests; Gastrointestinal Microbiome; Geologic Sediments; Intestines; Metagenome; Microbiota; Nitrogen; Nitrogen Cycle; Nitrogenase; Phenotype; RNA, Ribosomal, 16S; Sequence Analysis, DNA; Sequence Analysis, RNA; Species Specificity; Thailand | 2021 |
Solvent Deuterium Isotope Effects of Substrate Reduction by Nitrogenase from
Topics: Acetylene; Azotobacter vinelandii; Deuterium; Hydrogen; Methane; Molybdoferredoxin; Nitrogenase; Oxidation-Reduction; Protons; Solvents | 2022 |
Acetylene reduction assay for nitrogenase activity in root nodules under salinity stress.
Topics: Acetylene; Bacteria; Nitrogen Fixation; Nitrogenase; Salt Stress | 2023 |