purine has been researched along with guanine in 143 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 91 (63.64) | 18.7374 |
1990's | 7 (4.90) | 18.2507 |
2000's | 22 (15.38) | 29.6817 |
2010's | 17 (11.89) | 24.3611 |
2020's | 6 (4.20) | 2.80 |
Authors | Studies |
---|---|
Bolt, HM; Foest, U; Gansewendt, B; Hallier, E; Peter, H; Xu, D | 1 |
Guimarães, RC; Gutteridge, WE | 1 |
Di Martino, D; Ipata, PL; Mohamed, AS; Mura, U; Osman, AM | 1 |
Honeysett, JM; Howell, SB; King, ME | 1 |
Doi, M; Ishida, T; Kawai, H; Tarui, M | 1 |
Zastawny, TH | 1 |
Box, HC; Budzinski, EE; Dawidzik, JB; Iijima, H; Wallace, JC | 1 |
Evdokimov, AA; Hattman, S; Jen-Jacobson, L; Kossykh, VG; Malygin, EG; Petrov, NA; Zinoviev, VV | 1 |
Elfarra, AA; Selzer, RR | 1 |
Chen, VJ; Gates, SB; Habeck, LL; Mendelsohn, LG; Shackelford, KA; Shih, C | 1 |
Forsdyke, DR; Lao, PJ | 1 |
De Giori, GS; Hebert, EM; Raya, RR | 1 |
Hall, KB; Jean, JM | 1 |
Chen, YH; Huang, XL; Li, LQ; Zhang, HY | 1 |
Alberto, R; Fox, T; Spingler, B; Zobi, F | 1 |
WYATT, GR | 1 |
FRIES, N | 1 |
LILLY, DM; STERBENZ, FJ; TARANTOLA, V | 1 |
LU, KH; WINNICK, T | 1 |
KRISZAT, G | 1 |
McDONALD, IW | 1 |
GELLHORN, A; HIRSCHBERG, E; KELLS, A | 1 |
DUNCAN, RE; SETTERFIELD, G | 1 |
GREGOIRE, J | 1 |
GUTMAN, AB; WEISSMANN, B | 1 |
FEIGELSON, P; ULTMANN, JE | 1 |
BROCKMAN, RW; HUTCHISON, DJ; SKIPPER, HE; SPARKS, C | 1 |
AL-KHALIDI, U; GREENBERG, GR | 2 |
JAFFE, JJ; MAUTNER, HG | 1 |
BERNHAUER, K; FRIEDRICH, W | 1 |
GOLDSTEIN, J; GOTS, JS | 1 |
AUDLEY, BG; GOODWIN, TW | 1 |
UDENFRIEND, S; ZALTZMAN, P | 1 |
HU, PC; LIANG, CC; LIU, CP; WU, H | 2 |
HENDERSON, JF | 1 |
STEWART, BE; ZBARSKY, SH | 1 |
SMITH, CG | 1 |
CANTONI, GL; UDENFRIEND, S; ZALTZMAN-NIRENBERG, P | 1 |
ALEXANDER, JA; BRIGGS, SD; DODSON, AS; WHEELER, GP | 1 |
THIELE, OW | 1 |
JEFFREY, JJ; SCHANKER, LS; TOCCO, DJ | 1 |
KOENIG, E | 1 |
ADAMS, WS; DAVIS, FW; FINK, K; NAKATANI, M | 1 |
SHUSTER, L | 1 |
CUZZONI, MT; PIETRALISSI, T | 1 |
MESNARD, G; VASILESCU, D | 1 |
MCCAW, BK; MUNOZ, EF; PONNAMPERUMA, C; YOUNG, RS | 1 |
MANDEL, HG; ZIMMERMAN, EF | 2 |
HANSEN, HJ; NADLER, SB; VANDEVOORDE, JP | 1 |
MAGASANIK, B; ZIMMERMAN, EF | 1 |
LAWSON, DA; SZEGO, CM | 1 |
HUTCHISON, DJ; JOHNSON, AH | 1 |
ALBRECHT, AM; HUTCHISON, DJ | 1 |
FEDOROV, NA; KASATKIN, IN | 1 |
BOOTH, DA; SMITH, BO | 1 |
AMMANN, EC; LYNCH, VH | 1 |
SIMON, MI; VANVUNAKIS, H | 1 |
BECK, WS; KASHKET, S | 1 |
TARR, HL | 1 |
BARBER, R; JONES, AS | 1 |
CARERE, A; SPADA-SERMONTI, I | 1 |
BALIS, ME; PECORA, PF | 1 |
HOWARD, BD; TESSMAN, I | 1 |
PULLMAN, A; ROSSI, M | 1 |
DEMAIN, AL | 2 |
PULLMAN, A | 1 |
DEMEREC, M | 1 |
BIEBER, AL; BOOTH, BA; SARTORELLI, AC; UPCHURCH, HF | 1 |
BIEBER, AL; SARTORELLI, AC | 1 |
ROSENBERG, E | 1 |
BERTHOD, H; PULLMAN, A | 1 |
PULLMAN, B | 1 |
MOSELEY, BE; SCHEIN, AH | 1 |
GOODWIN, TW; HOLDGATE, DP | 1 |
GUTHRIE, R; LU, WC | 1 |
CAILLET, J; CLAVERIE, P; PULLMAN, B | 1 |
JUNGA, IG; LEPAGE, GA | 1 |
KORNACKA, L; MALEC, J; WOJNAROWSKA, M; ZAKRZEWSKI, K | 1 |
JAFFE, JJ; MOMPARLER, RL | 1 |
BLOOM, SM; BOROWITZ, IJ; ROTHSCHILD, J; SPRINSON, DB | 1 |
SPRECHER, M; SPRINSON, DB | 1 |
CASPARI, E; MUTH, W; POHLEY, HJ | 1 |
AYVAZIAN, JH; SKUPP, S | 1 |
BOYER, HW; WEINBERG, R | 1 |
HAYASHI, TT | 1 |
HOWELLS, DJ; PLAUT, GW | 1 |
ATKINSON, MR; MURRAY, AW | 1 |
DELLACORTE, E; STIRPE, F | 1 |
HIRSCHBERG, E; MURRAY, MR; PETERSON, ER; POOL, JL | 1 |
GELLHORN, A; HIRSCHBERG, E; KELLS, A; MURRAY, MR; PETERSON, ER | 1 |
CREASER, EH | 1 |
ABRAMS, R; BENTLEY, M | 1 |
DARLINGTON, RW; GAFFORD, LG; RANDALL, CC | 1 |
MORGAN, HR | 1 |
Kamel, AM; Munson, B | 1 |
ALLFREY, VG; DALY, MM; MIRSKY, AE | 1 |
BENDICH, A; BROWN, GB; FURST, SS | 1 |
SHAW, E | 1 |
Lescoute, A; Westhof, E | 1 |
Chattopadhyay, S; Goldman, ID; Hanscom, M; Zhang, S; Zhao, R | 1 |
Schultz, RM | 1 |
Kretulskie, AM; Spratt, TE | 1 |
Batey, RT; Gilbert, SD; Stoddard, CD; Wise, SJ | 1 |
Ashihara, H; Katahira, R | 1 |
Haracska, L; Johnson, RE; Prakash, L; Prakash, S | 1 |
Batey, RT; Gilbert, SD; Mediatore, SJ | 1 |
Cecchetto, G; Diallinas, G; Drevet, C; Hatzinikolaou, DG; Lemuh, ND; Pantazopoulou, A; Scazzocchio, C | 1 |
Gherardini, FC; Guyard, C; Lawrence, K; Pettersson, J; Porcella, SF; Raffel, SJ; Schrumpf, ME; Schwan, TG | 1 |
Bottoni, A; Calvaresi, M; Garavelli, M | 1 |
FAIRLEY, JL; LORING, HS | 2 |
Chen, EC; Chen, ES; Wiley, JR | 1 |
DeCarlo, L; Gowda, AS; Spratt, TE; Suo, Z | 1 |
Matsika, S; Mburu, E | 1 |
Chen, LL; Pope, SD; Stewart, V | 1 |
Ivanova, E; Wang, F; Zhu, Q | 1 |
Ferancová, A; Kim, Y; Labuda, J; Rengaraj, S; Sillanpää, M | 1 |
Chen, J; Kohler, B; Lewis, FD; Pan, Z; Schreier, WJ | 1 |
Dimandja, JM; Jeilani, YA; Newallo, D; Nguyen, HT; Nguyen, MT | 1 |
Song, JP; Zhu, M | 1 |
Bierbaum, VM; Cole, CA; Snow, TP; Wang, ZC | 1 |
Jiricny, J; Olivera-Harris, M; Repmann, S | 1 |
Abu-Zaied, M; Elgemeie, G | 1 |
Böhmer, AE; de Oliveira, ED; Elisabetsky, E; Fagundes, AC; Hansel, G; Milman, M; Oses, JP; Porciúncula, LO; Portela, LV; Schallenberger, C; Schmidt, AP; Silva, MD; Souza, DO | 1 |
Boitz, JM; Carter, NS; Cassera, MB; Fulwiler, AL; Koop, DR; Martin, JL; Ullman, B; Yates, PA | 1 |
Benner, SA; Karalkar, NB; Khare, K; Molt, R | 1 |
Archambault, MA; Boyapelly, K; Fortier, LC; Lafontaine, D; Lalonde-Seguin, D; Lamontagne, AM; Le Roux, A; Marsault, É; Najmanovich, RJ; Picard-Jean, F; St-Pierre, E; Yan, LH | 1 |
Brown, KE; Lewis, FD; Ma, L; Mishra, AK; Phelan, BT; Singh, APN; Wasielewski, MR; Wu, YL; Young, RM | 1 |
Brazier, JA; Cardin, CJ; Cardin, DJ; Hall, JP; McQuaid, K | 1 |
Coriani, S; Faber, R; Hättig, C; Khani, SK; Santoro, F | 1 |
Lim, GN; Ross, AE | 1 |
Herkommerová, K; Knejzlík, Z; Pichová, I | 1 |
Stachelska-Wierzchowska, A; Wierzchowski, J | 1 |
Fanò-Illic, G; Fulle, S; Mancinelli, R; Pietrangelo, T | 1 |
Hu, G; Li, H; Wang, J; Xu, S | 1 |
Burrows, CJ; Chong, J; Fleming, AM; Oh, J; Wang, D; Xu, J | 1 |
Casati, N; Cohen, L; Goobes, G; Harris, KDM; Hughes, CE; Jantschke, A; Palmer, BA; Pavan, MJ; Pinsk, N; Smalley, CJH; Wagner, A; Zhang, G | 1 |
Čepička, I; Mojzeš, P; Oborník, M; Pánek, T; Pilátová, J | 1 |
Kondhare, D; Leonard, P; Seela, F; Zhang, A | 1 |
5 review(s) available for purine and guanine
Article | Year |
---|---|
[DNA oxidative damages--free radical modification of bases and sugar moieties].
Topics: Adenine; Anaerobiosis; Carbohydrate Metabolism; Cytosine; DNA; Free Radicals; Guanine; Hydroxyl Radical; Mutagenesis; Oxidation-Reduction; Purines; Pyrimidines | 1997 |
Enzyme inhibition, polyglutamation, and the effect of LY231514 (MTA) on purine biosynthesis.
Topics: Animals; Antimetabolites, Antineoplastic; Enzyme Inhibitors; Folic Acid Antagonists; Glutamates; Guanine; Humans; Methotrexate; Pemetrexed; Peptide Synthases; Polyglutamic Acid; Purines; Tetrahydrofolates | 1999 |
Riboswitch structures: purine ligands replace tertiary contacts.
Topics: Adenine; Base Pairing; Crystallography, X-Ray; Guanine; Hypoxanthine; Ligands; Nucleic Acid Conformation; Purines; Regulatory Sequences, Ribonucleic Acid; RNA | 2005 |
Preclinical development of Alimta (Pemetrexed, LY231514), a multitargeted antifolate.
Topics: Animals; Antineoplastic Agents; Biological Transport; Drug Resistance, Neoplasm; Folic Acid Antagonists; Glutamates; Guanine; Humans; Neoplasms; Pemetrexed; Purines; Thymidylate Synthase | 2005 |
Guanosine-Based Nucleotides, the Sons of a Lesser God in the Purinergic Signal Scenario of Excitable Tissues.
Topics: Brain; Embryonic Development; Guanine; Guanine Nucleotides; Guanosine; Guanosine Triphosphate; Humans; Muscles; Nervous System; Nucleosides; Nucleotides; Purines; Receptors, Purinergic | 2020 |
138 other study(ies) available for purine and guanine
Article | Year |
---|---|
DNA binding of methyl iodide in male and female F344 rats.
Topics: Adenine; Administration, Inhalation; Administration, Oral; Animals; Carbon Radioisotopes; Chromatography, High Pressure Liquid; DNA; Female; Gastric Mucosa; Guanine; Hydrocarbons, Iodinated; Hydrolysis; Liver; Lung; Male; Purines; Rats; Rats, Inbred F344 | 1991 |
Purine base uptake in Trypanosoma cruzi: adaptations and effects of inhibitors.
Topics: Adenine; Animals; Cell Membrane; Guanine; Hypoxanthines; Pentosyltransferases; Purines; Trypanosoma cruzi | 1987 |
Purine salvage as metabolite and energy saving mechanism in Camelus dromedarius: the recovery of guanine.
Topics: Animals; Camelus; Chromatography, High Pressure Liquid; Energy Metabolism; Guanine; Guanine Deaminase; Hypoxanthine; Hypoxanthines; Liver; Purines; Xanthine Oxidase | 1987 |
Regulation of de novo purine synthesis in human bone marrow mononuclear cells by hypoxanthine.
Topics: Adenine; Bone Marrow; Bone Marrow Cells; DNA; Guanine; Humans; Hypoxanthine; Hypoxanthines; Leukemia, Myeloid, Acute; Leukocytes; Purines; RNA; Thymine | 1983 |
Enhancement of aromatic amino acid-nucleic acid base stacking interaction by metal coordination to base: fluorescence study on a tryptophan-Pt(II)-guanine ternary complex.
Topics: Base Composition; Fluorescence; Guanine; Platinum; Platinum Compounds; Purines; Tryptophan | 1995 |
Tandem lesions and other products in X-irradiated DNA oligomers.
Topics: Biopolymers; DNA; DNA Damage; Free Radicals; Guanine; Magnetic Resonance Spectroscopy; Nucleic Acid Conformation; Purines; Thymine | 1998 |
Effect of base analog substitutions in the specific GATC site on binding and methylation of oligonucleotide duplexes by the bacteriophage T4 Dam DNA-[N6-adenine] methyltransferase.
Topics: 2-Aminopurine; Adenine; Bacteriophage T4; Binding Sites; DNA Methylation; Guanine; Kinetics; Mutagenesis, Site-Directed; Oligonucleotides; Purines; Site-Specific DNA-Methyltransferase (Adenine-Specific); Viral Proteins | 1999 |
In vitro reactions of butadiene monoxide with single- and double-stranded DNA: characterization and quantitation of several purine and pyrimidine adducts.
Topics: Adenine; Alkylation; Deoxyadenosines; Deoxyguanosine; Deoxyuridine; DNA; DNA Adducts; DNA, Single-Stranded; Dose-Response Relationship, Drug; Epoxy Compounds; Guanine; Mutagens; Purines; Pyrimidines | 1999 |
Thermophilic bacteria strictly obey Szybalski's transcription direction rule and politely purine-load RNAs with both adenine and guanine.
Topics: Adenine; Base Composition; Cytosine Nucleotides; Genes, Bacterial; Guanine; Guanine Nucleotides; Hot Temperature; Methanococcus; Purines; Replication Origin; RNA, Bacterial; Transcription, Genetic | 2000 |
Isolation and characterization of a slowly milk-coagulating variant of Lactobacillus helveticus deficient in purine biosynthesis.
Topics: Animals; beta-Galactosidase; Caseins; Endopeptidases; Guanine; IMP Dehydrogenase; Lactobacillus; Milk; Purines; Time Factors | 2001 |
2-Aminopurine electronic structure and fluorescence properties in DNA.
Topics: 2-Aminopurine; Dimerization; DNA; Electrons; Fluorescence Resonance Energy Transfer; Guanine; Models, Chemical; Models, Molecular; Purines; Pyrimidines; Thymine | 2002 |
[Separation and determination of purine bases and pyrimidine bases from nucleic acid hydrolysis by HPLC on BDS column].
Topics: Adenine; Chromatography, High Pressure Liquid; Cytosine; Guanine; Hypoxanthine; Nucleic Acids; Purines; Pyrimidines; Thymine; Uracil; Yeasts | 2000 |
Toward novel DNA binding metal complexes: structure and basic kinetic data of [M(9MeG)2(CH3OH)(CO)3]+(M = 99Tc, Re).
Topics: Crystallography, X-Ray; Deoxyguanosine; DNA; Guanine; Kinetics; Molecular Conformation; Nuclear Magnetic Resonance, Biomolecular; Organometallic Compounds; Organotechnetium Compounds; Purines; Radiopharmaceuticals; Rhenium; Technetium | 2003 |
The nucleic acids of some insect viruses.
Topics: Adenine; Cytosine; DNA; Guanine; Insect Viruses; Nucleic Acids; Purines; Pyrimidines; Thymine; Viruses | 1952 |
Further studies on mutant strains of Ophiostoma which require guanine.
Topics: Fungi; Guanine; Ophiostoma; Purines | 1953 |
Growth promotion in carnivorous protozoa by substituted purines.
Topics: Animals; Caffeine; Eukaryota; Guanine; Humans; Invertebrates; Purines; Theobromine; Theophylline | 1953 |
Studies of nucleic acid metabolism in embryonic tissue culture with the aid of C14-labeled purines.
Topics: Adenine; Guanine; Nucleic Acids; Purines; Tissue Culture Techniques | 1954 |
[The effect of purines, nucleosides, nucleotides and adenosinetriphosphate on the division and development of sea urchin eggs after treatment with dinitrophenol].
Topics: Adenosine; Adenosine Triphosphate; Animals; Dinitrophenols; Echinodermata; Guanine; Guanosine; Nitrophenols; Nucleosides; Nucleotides; Purines; Sea Urchins | 1954 |
The estimation of purines in nucleic acids: a method applicable to materials with low concentration of nucleic acid.
Topics: Adenine; Guanine; Nucleic Acids; Purines | 1954 |
The effect of purines, nucleosides, and nucleotides on the carcinostatic action of 8-azaguanine.
Topics: Adenosine; Animals; Azaguanine; Eye Neoplasms; Guanine; Guanosine; Neoplasms, Experimental; Nucleosides; Nucleotides; Purines | 1954 |
Cytological studies on the antimetabolite action of 2, 6-diaminopurine in Vicia faba roots.
Topics: 2-Aminopurine; Adenine; Adenosine; Antimetabolites; Cell Division; Deoxyadenosines; DNA; Growth; Guanine; Hypoxanthine; Purines; Vicia faba | 1955 |
[Fractionated precipitation of purine bases by silver oxide in a highly acid medium; application to the paper chromatographic determination of adenine, guanine and hypoxanthine in a hydrolysate].
Topics: Adenine; Chromatography; Guanine; Hypoxanthine; Oxides; Purines; Silver Compounds; Xanthines | 1956 |
The identification of 6-succinoaminopurine and of 8-hydroxy-7-methylguanine as normal human urinary constituents.
Topics: Guanine; Humans; Purines | 1957 |
The effects of 8-azaguanine and 6-mercaptopurine on purine catabolism in the rat.
Topics: Animals; Azaguanine; Guanine; Mercaptopurine; Metabolic Networks and Pathways; Purines; Rats | 1958 |
A mechanism of resistance to 8-azaguanine. I. Microbiological studies on the metabolism of purines and 8 azapurines.
Topics: Azaguanine; Enterococcus faecalis; Guanine; Purines | 1959 |
Isolation of 2(alpha-propionamino)-6-hydroxypurine (guanine propionate).
Topics: Fungi; Guanine; Hypoxanthine; Propionates; Purines | 1961 |
6-Selenoguanine (2-amino-6-selenopurine). Synthesis and biological studies.
Topics: Guanine; Organoselenium Compounds; Purines | 1961 |
[On the chemistry and biochemistry of "cobalamine". XII. Guanine-cobalamine analog from putrid sludge].
Topics: Corrinoids; Guanine; Purine Nucleosides; Purines; Sewage; Vitamin B 12 | 1959 |
Specific action of adenine as a feedback inhibitor of purine biosynthesis.
Topics: Adenine; Biochemical Phenomena; Guanine; Metabolic Networks and Pathways; Purines; Xanthines | 1959 |
Studies on the biosynthesis of riboflavin. 7. The incorporation of adenine and guanine into riboflavin and into nucleic acid purines in Eremothecium ashbyii and Candida flareri.
Topics: Adenine; Candida; Eremothecium; Fungi; Guanine; Nucleic Acids; Purines; Riboflavin | 1962 |
Fluorescence characteristics of purines, pyrimidines, and their derivatives: measurement of guanine in nucleic acid hydrolyzates.
Topics: Fluorescence; Guanine; Nucleic Acids; Purines; Pyrimidines | 1962 |
Studies on the analysis of purine and pyrmidine bases of nucleic acid. II. A direct spectrophotometric method for the analysis of the purine and pyramidine bases in ribonucleic acid.
Topics: Adenine; Cytosine; Guanine; Nucleic Acids; Purines; RNA | 1963 |
A relationship between compartmentation of purine ribonucleotides and feedback inhibition of denovo purine synthesis.
Topics: Adenine; Guanine; Kinetics; Nucleotides; Purines; Quinolines; Ribonucleotides; Xanthines | 1962 |
Nucleic acid metabolism in intestinal mucosa. IV. The effect of glucose on incorporation of C-14-formate into purines and pyrimidines in vitro.
Topics: Adenine; Cytosine; DNA; Formates; Glucose; Guanine; In Vitro Techniques; Intestinal Mucosa; Intestine, Small; Intestines; Purines; Pyrimidines; RNA; Uracil | 1963 |
The effect of pyrimidines on the incorporation of purines into riboflavin and RNA by Eremothecium ashbyii.
Topics: Adenine; Ascomycota; Cytosine; Eremothecium; Guanine; Purines; Pyrimidines; Riboflavin; RNA; Uracil | 1962 |
Fluorometric assay of 2-dimethylamino-6-hydroxypurine (dimethylaminoguanine) in the presence of guanine.
Topics: Biological Assay; Chemistry Techniques, Analytical; Fluorometry; Guanine; Purines | 1963 |
Searches for exploitable biochemical differences between normal and cancer cells. X. Catabolism of purines by regressing tumors.
Topics: Adenine; Breast Neoplasms; Castration; Diethylstilbestrol; Guanine; Humans; Hypophysectomy; Plasmacytoma; Purines; Testosterone; Xanthines | 1962 |
[ON THE PRESENCE OF FREE PURINES IN VINEYARD SNAILS (HELIX POMATIA L.)].
Topics: Animals; Guanine; Purines; Research; Snails; Xanthines | 1963 |
INTERACTION OF PURINES WITH THE PYRIMIDINE TRANSPORT PROCESS OF THE SMALL INTESTINE.
Topics: Adenine; Caffeine; Carbon Isotopes; Guanine; Intestine, Small; Intestines; Mercaptopurine; Pharmacology; Physiology; Purines; Pyrimidines; Rats; Research; Theobromine; Theophylline; Uracil; Uric Acid; Xanthines | 1963 |
A QUANTITATIVE MICRO METHOD FOR DETERMINATION OF SPECIFIC RADIOACTIVITIES OF H3-PURINES AND H3-PYRIMIDINES.
Topics: Adenine; Chemistry Techniques, Analytical; Cytosine Nucleotides; Electrophoresis; Guanine; Microchemistry; Purines; Pyrimidines; Radioactivity; Research; RNA; Tritium; Uracil Nucleotides | 1963 |
THE IDENTIFICATION OF 2-DIMETHYLAMINO-6- HYDROXYPURINE AND ITS RIBONUCLEOSIDE IN URINE OF NORMAL AND LEUKEMIC SUBJECTS.
Topics: Chromatography; Electrophoresis; Guanine; Humans; Leukemia; Nucleosides; Purines; Ribonucleosides; RNA; Spectrum Analysis; Urine | 1963 |
AMINOIMIDAZOLECARBOXAMIDE AND FORMATE INCORPORATION INTO WHEAT EMBRYO PURINES.
Topics: Adenine; Amides; Formates; Guanine; Imidazoles; Metabolism; Purines; Research; Triticum | 1963 |
[DETERMINATIONS OF SOME NITROGENOUS BASES IN MEATS].
Topics: Adenine; Animals; Cattle; Creatine; Creatinine; Goats; Guanine; Horses; Meat; Muscles; Nitrogen; Poultry; Purines; Rabbits; Sheep; Sheep, Domestic; Xanthines | 1963 |
[SEMI-CONDUCTIBILITY OF DNA (DESOXYRIBONUCLEIC ACID) AND OF PURINE AND PYRIMIDINE BASES OF DNA AND RNA (RIBONUCLEIC ACID)].
Topics: Adenine; Cytosine; DNA; Electrophysiology; Guanine; Purines; Pyrimidines; Research; RNA; Thymine; Uracil | 1963 |
GUANINE: FORMATION DURING THE THERMAL POLYMERIZATION OF AMINO ACIDS.
Topics: Amino Acids; Carbon Isotopes; Chemical Phenomena; Chemistry; Chromatography; Guanine; Hot Temperature; Polymerization; Purines; Pyrimidines; Research | 1964 |
STUDIES ON THE ACTIONS OF PYRAZOLOPYRIMIDINES IN MICROORGANISMS. I. 4-HYDROXY-6-AMINOPYRAZOLOPYRIMIDINE.
Topics: Adenine; Antimetabolites; Bacillus cereus; Carbon Isotopes; Culture Media; Escherichia coli; Formates; Guanine; Methionine; Mutation; Pharmacology; Phosphates; Phosphorus Isotopes; Purines; Pyrazoles; Pyrimidines; Research; RNA; RNA, Bacterial | 1964 |
STUDIES ON THE ACTIONS OF PYRAZOLOPYRIMIDINES IN MICROORGANISMS. II. 4-AMINOPYRAZOLOPYRIMIDINE.
Topics: Acetates; Adenine; Antimetabolites; Bacillus cereus; Carbon Isotopes; Escherichia coli; Formates; Glycine; Guanine; Histidine; Leucine; Methionine; Nucleosides; Pharmacology; Phosphates; Phosphorus Isotopes; Pimelic Acids; Proteins; Purines; Pyrazoles; Pyrimidines; Research; Uracil | 1964 |
METABOLISM OF LEUKEMIC CELLS IN CULTURE; AZASERINE INHIBITION OF J-128 (OSGOOD).
Topics: Adenine; Azaserine; Carbon Isotopes; Glycine; Guanine; Hypoxanthines; Imidazoles; Leukemia; Metabolism; Nucleic Acids; Pharmacology; Purines; Tissue Culture Techniques | 1964 |
UTILIZATION AND INTERCONVERSION OF PURINE BASES AND RIBONUCLEOSIDES BY SALMONELLA TYPHIMURIUM.
Topics: Adenine; Adenine Nucleotides; Carbon Isotopes; Chromatography; Culture Media; Guanine; Guanine Nucleotides; Histidine; Mercaptopurine; Metabolism; Nucleosides; Purines; Research; Ribonucleosides; Salmonella typhimurium; Spectrophotometry | 1964 |
INFLUENCE OF HISTAMINE ON UTERINE METABOLISM: STIMULATION OF INCORPORATION OF RADIOACTIVITY FROM AMINO ACIDS INTO PROTEIN, LIPID AND PURINES.
Topics: Adenine; Amino Acids; Carbon Isotopes; Castration; Estradiol; Female; Glycine; Guanine; Histamine; Humans; Lipids; Lysine; Metabolism; Pharmacology; Physiology; Proteins; Purines; Radioactivity; Rats; Research; Uterus | 1964 |
FOLIC ACID METABOLISM IN ANTIFOLIC-RESISTANT MUTANTS OF STREPTOCOCCUS FAECALIS.
Topics: Adenine; Drug Resistance, Microbial; Enterococcus faecalis; Folic Acid; Guanine; Metabolism; Methotrexate; Mutation; Purines; Research; Serine; Thymine; Xanthines | 1964 |
REPRESSION BY ADENINE OF THE FORMYLTETRAHYDROFOLATE SYNTHETASE IN AN ANTIFOLIC-RESISTANT MUTANT OF STREPTOCOCCUS FAECALIS.
Topics: Adenine; Bacteriological Techniques; Drug Resistance, Microbial; Enterococcus faecalis; Folic Acid; Formate-Tetrahydrofolate Ligase; Guanine; Ligases; Methotrexate; Mutation; Purines; Research; Tetrahydrofolate Dehydrogenase; Thymine | 1964 |
[ON MOBILITY OF PURINES AND PYRIMIDINE BASES AND THEIR DERIVATIVES DURING ELECTROPHORETIC SEPARATION].
Topics: Adenine; Adenine Nucleotides; Cytosine Nucleotides; Electrophoresis; Guanine; Nucleosides; Nucleotides; Purines; Pyrimidines; Research; Thymidine; Thymine; Uracil | 1964 |
URINARY EXCRETION OF SOME PURINE BASES IN NORMAL AND SCHIZOPHRENIC SUBJECTS.
Topics: Adenine; Biomedical Research; Creatine; Creatinine; Guanine; Humans; Hypoxanthines; Purines; Schizophrenia; Urine; Xanthines | 1964 |
PURINE METABOLISM OF UNICELLULAR ALGAE. I. CHROMATOGRAPHIC DETECTION OF SOME PURINES, PYRIMIDINES, AND IMIDAZOLES BY THEIR MERCURIC COMPLEXES.
Topics: Adenine; Alloxan; Chromatography; Creatine; Creatinine; Eukaryota; Guanine; Hydantoins; Hypoxanthines; Imidazoles; Mercury; Orotic Acid; Purines; Pyrimidines; Research; Ultraviolet Rays; Uric Acid; Xanthines | 1964 |
THE DYE-SENSITIZED PHOTOOXIDATION OF PURINE AND PYRIMIDINE DERIVATIVES.
Topics: Caffeine; Guanine; Guanine Nucleotides; Hydrogen-Ion Concentration; Hypoxanthines; Infrared Rays; Light; Manometry; Methylene Blue; Nucleosides; Oxidation-Reduction; Purines; Research; Theobromine; Theophylline; Thymidine; Thymine; Ultraviolet Rays; Uracil; Uric Acid; Xanthines | 1964 |
METABOLIC ABNORMALITIES ASSOCIATED WITH UNBALANCED GROWTH IN LACTOBACILLUS LEICHMANNII.
Topics: Cell Biology; Cell Division; DNA; Enzymes; Erythrocytes; Growth; Guanine; Humans; Lactobacillus; Lactobacillus leichmannii; Lysosomes; Metabolic Diseases; Metabolism; Muramidase; Nucleosides; Nucleotides; Proteins; Purines; Pyrimidines; RNA; Vitamin B 12 Deficiency; Xanthines | 1964 |
STUDIES ON THE ANALYSIS OF PURINE AND PYRIMIDINE BASES OF NUCLEIC ACID. III. A DIRECT SPECTROPHOTOMETRIC METHOD FOR THE ANALYSIS OF THE PURINE AND PYRIMIDINE BASES IN DNA.
Topics: Adenine; Cytosine; DNA; Guanine; Nucleic Acids; Purines; Pyrimidines; Spectrophotometry; Thymine | 1964 |
FORMATION OF RIBOMONONUCLEOTIDES FROM PURINE AND PYRIMIDINE BASES AND 5'-PHOSPHORIBOSYLPYROPHOSPHATE BY A SALMON MILT EXTRACT.
Topics: Adenine; Adenine Nucleotides; Animals; Carbon Isotopes; Chromatography; Cytosine; Cytosine Nucleotides; Diphosphates; Fishes; Guanine; Guanine Nucleotides; Metabolism; Nucleotides; Orotic Acid; Phosphoribosyl Pyrophosphate; Purines; Pyrimidines; Research; Salmon; Thymine; Tissue Extracts; Tritium; Uracil; Uracil Nucleotides; Xanthines | 1964 |
FRACTIONATION OF RIBONUCLEIC ACIDS.
Topics: Adenine; Adsorption; Chemistry Techniques, Analytical; Chromatography; Cytosine; Guanine; Liver; Purines; Pyrimidines; Research; RNA; Saccharomyces; Serratia marcescens; Uracil | 1964 |
NUTRITIONAL MUTATIONS AND TRANSDUCTION BY ULTRAVIOLET-INACTIVATED PHAGE IN STAPHYLOCOCCUS AUREUS.
Topics: Adenine; Genetics; Guanine; Guanosine; Inosine; Italy; Mutation; Nucleosides; Pharmacology; Purines; Staphylococcal Infections; Staphylococcus; Staphylococcus aureus; Staphylococcus Phages; Ultraviolet Rays | 1964 |
EFFECTS OF ANTIMITOTIC AGENTS ON EHRLICH ASCITES CELLS.
Topics: Acridines; Adenine; Amino Acids; Animals; Antimetabolites; Antimitotic Agents; Antineoplastic Agents; Ascites; Carbon Isotopes; Carcinoma, Ehrlich Tumor; DNA; DNA, Neoplasm; Glycine; Guanine; Hypoxanthines; Pharmacology; Podophyllum; Purines; Research; RNA; RNA, Neoplasm; Thymidine; Tritium; Xanthines | 1964 |
IDENTIFICATION OF THE ALTERED BASES IN MUTATED SINGLE-STRANDED DNA. II. IN VIVO MUTAGENESIS BY 5-BROMODEOXYURIDINE AND 2-AMINOPURINE.
Topics: 2-Aminopurine; Adenine; Antineoplastic Agents; Bromodeoxyuridine; Coliphages; Cytosine; Cytosine Nucleotides; DNA; DNA, Single-Stranded; DNA, Viral; Guanine; Guanine Nucleotides; Mutagenesis; Mutation; Nucleosides; Purines; Research; Thymidine; Thymine | 1964 |
THE IONIZATION POTENTIALS OF THE PI- AND LONE-PAIR ELECTRONS OF BIOCHEMICAL PURINES AND PYRIMIDINES.
Topics: Adenine; Chemical Phenomena; Chemistry, Physical; Cytosine; Electrons; Guanine; Purines; Pyrimidines; Research; Uracil | 1964 |
NUTRITION OF "ADENINELESS" AUXOTROPHS OF YEASTS.
Topics: Adenine; Guanine; Guanosine; Hypoxanthine; Hypoxanthines; Inosine; Nucleosides; Nucleotides; Purines; Research; Ribonucleotides; Saccharomyces; Xanthines; Yeasts | 1964 |
THE INFLUENCE OF HETEROATOMS AND SUBTITUENTS ON THE TAUTOMERIC EQUILIBRIA IN BIOCHEMICAL PURINES AND PYRIMIDINES. I. AZAPURINES AND AZAPYRIMIDINES.
Topics: Adenine; Amines; Cytosine; Guanine; Hypoxanthines; Imines; Kinetics; Nitrogen; Purines; Pyrimidines; Research; Thymine; Uracil; Xanthines | 1964 |
CLUSTERING OF FUNCTIONALLY RELATED GENES IN SALMONELLA TYPHIMURIUM.
Topics: Arginine; Cysteine; Escherichia coli; Glycine; Guanine; Histidine; Isoleucine; Leucine; Metabolism; Methionine; Molecular Biology; Mutation; Pantothenic Acid; Proline; Purines; Pyrimidines; Research; Salmonella typhimurium; Serine; Threonine; Tryptophan | 1964 |
SOME METABOLIC EFFECTS EXERTED BY AZASERINE AND PURINE ANALOGS IN VIVO.
Topics: Adenine; Amino Acids; Animals; Antimetabolites; Antineoplastic Agents; Azaserine; Carbon Isotopes; Glycine; Guanine; Mercaptopurine; Metabolism; Mice; Neoplasm Transplantation; Nucleotides; Pharmacology; Purines; Research; Sarcoma 180 | 1964 |
THE METABOLISM OF THIOGUANINE IN PURINE ANALOG-RESISTANT CELLS.
Topics: Adenine; Animals; Antimetabolites; Antineoplastic Agents; Cell Biology; DNA; DNA, Neoplasm; Guanine; Metabolism; Mice; Nucleotides; Pharmacology; Purines; Research; RNA; RNA, Neoplasm; Sarcoma 180; Thioguanine | 1964 |
PURINE AND PYRIMIDINES IN SEDIMENTS FROM THE EXPERIMENTAL MOHOLE.
Topics: Adenine; Chemistry Techniques, Analytical; Cytosine; Guanine; Purines; Pyrimidines; Research; Soil; Thymine; Uracil | 1964 |
[INFLUENCE OF THE HYDROGEN BOND ON THE DIPOLAR MOMENT OF PURINE-PYRIMIDINE PAIRS OF NUCLEIC ACIDS].
Topics: Acetates; Adenine; Amines; Biochemical Phenomena; Biochemistry; Cytosine; Guanine; Hydrogen; Nucleic Acids; Purines; Pyridines; Pyrimidines; Research; Thymine | 1964 |
[ON THE SEMI-CONDUCTIVITY OF PURINE AND PYRIMIDINE BASES OF NUCLEIC ACIDS].
Topics: Adenine; Chemical Phenomena; Chemistry, Physical; Cytosine; Guanine; Nucleic Acids; Purines; Pyrimidines; Research; Thymine; Uracil | 1964 |
RADIATION RESISTANCE AND DEOXYRIBONUCLEIC ACID BASE COMPOSITION OF MICROCOCCUS RADIODURANS.
Topics: Adenine; Base Composition; Cytosine; Deinococcus; DNA; DNA, Bacterial; Guanine; Micrococcus; Mutation; Purines; Pyrimidines; Radiation Genetics; Research; Thymine; Ultraviolet Rays | 1964 |
A RAPID METHOD FOR THE SEPARATION OF NUCLEIC ACID BASES.
Topics: Adenine; Chromatography; Cytosine; Guanine; Nucleic Acids; Purines; Pyrimidines; Research; Spectrum Analysis; Thymine; Uracil | 1964 |
ANTAGONISM BETWEEN PURINES IN PURINE-REQUIRING BACILLUS SUBTILIS MUTANTS.
Topics: 2-Aminopurine; Adenine; Adenine Nucleotides; Azaguanine; Bacillus subtilis; Guanine; Guanine Nucleotides; Hypoxanthines; Mercaptopurine; Metabolism; Mutation; Nucleosides; Nucleotides; Pharmacology; Purines; Research; Xanthines | 1964 |
ANTAGONISM BY PURINES AND DERIVATIVES IN THE NUTRITION OF A BACILLUS SUBTILIS MUTANT.
Topics: Adenine; Bacillus subtilis; Guanine; Guanine Nucleotides; Hypoxanthines; Metabolism; Mutation; Nucleosides; Purines; Research; Xanthines | 1964 |
INTERMOLECULAR FORCES IN ASSOCIATION OF PURINES WITH POLYBENZENOID HYDROCARBONS.
Topics: Adenine; Benzopyrenes; Caffeine; Chemical Phenomena; Chemistry; Cytosine; Guanine; Hypoxanthines; London; Purines; Pyrimidines; Research; Thymine; Uracil; Uric Acid; Xanthines | 1965 |
METABOLISM OF PURINE NUCLEOSIDE ANALOGS.
Topics: Adenine; Animals; Antimetabolites; Guanine; Mercaptopurine; Metabolism; Mice; Neoplasms; Neoplasms, Experimental; Nucleosides; Purine Nucleosides; Purines; Research | 1965 |
EFFECT OF PURINES AND SOME OF THEIR ANALOGUES ON PROTEIN AND RNA SYNTHESIS IN ISOLATED NUCLEI.
Topics: Antibody Formation; Antimetabolites; Antineoplastic Agents; Carbon Isotopes; Cell Nucleus; Cytosine; Guanine; Leucine; Leukocytes; Lysine; Mercaptopurine; Metabolism; Orotic Acid; Pharmacology; Proteins; Purines; Research; RNA; Thioguanine; Uracil; Uric Acid; Xanthines | 1964 |
EFFECT OF AZASERINE ON THE INCORPORATION OF 14-C-LABELED PURINES AND PYRIMIDINES INTO ACID-SOLUBLE AND NUCLEIC ACID FRACTIONS OF TRYPANOSOMA EQUIPERDUM.
Topics: Adenine; Amino Acids; Azaserine; Cytosine; Cytosine Nucleotides; DNA; Glutamine; Guanine; Hypoxanthines; Leucine; Metabolism; Nucleic Acids; Orotic Acid; Pharmacology; Purines; Pyrimidines; Research; RNA; Thymine; Trypanosoma; Tryptophan; Tyrosine; Uracil; Uracil Nucleotides | 1965 |
METHYLATED PURINES AND PYRIMIDINES. I. SYNTHESES OF 8-HYDROXY-7-METHYLGUANINE AND METHYLATION OF A 5-(BENZYLIDENEAMINO) PYRIMIDINE.
Topics: Acetates; Alkylation; Chemical Phenomena; Chemistry; Guanine; Malonates; Methylation; Purines; Pyrimidines; Research | 1965 |
METHYLATED PURINES AND PYRIMIDINES. II. SYNTHESIS AND PROPERTIES OF 2,6-DIAMINO-5-(METHYLAMINO)-4-PYRIMIDINOL.
Topics: Alkylation; Chemical Phenomena; Chemistry; Folic Acid; Glutamates; Guanine; Pterins; Purines; Pyrimidines; Research | 1965 |
EFFECTS OF DNA BASE ANALOGUES ON THE SCALES OF THE WING OF EPHESTIA.
Topics: Aminopterin; Animals; Bromodeoxyuridine; DNA; Genetics; Guanine; Insecta; Mutation; Pharmacology; Purines; Radiation Genetics; Research; Thymidine; Wings, Animal | 1965 |
THE STUDY OF PURINE UTILIZATION AND EXCRETION IN A XANTHINURIC MAN.
Topics: Adenine; Carbon Isotopes; Chromatography; Guanine; Humans; Hypoxanthines; Male; Metabolism, Inborn Errors; Nucleotides; Purine-Pyrimidine Metabolism, Inborn Errors; Purines; Spectrophotometry; Uric Acid; Urine; Xanthine Oxidase; Xanthines | 1965 |
BASE ANALOGUE INDUCED ARABINOSE-NEGATIVE MUTANTS OF ESCHERICHIA COLI.
Topics: Adenine; Arabinose; Bromodeoxyuridine; Cytosine; DNA; DNA, Bacterial; Escherichia coli; Guanine; Hydroxylamines; Mutation; Purines; Research; Thymine; Uracil Nucleotides | 1965 |
STUDIES ON PLACENTAL METABOLISM. II. PURINE NUCLEOTIDE CATABOLISM IN EARLY PLACENTA.
Topics: Adenine; Adenine Nucleotides; Female; Guanine; Guanine Nucleotides; Humans; Hypoxanthines; Metabolism; Nucleotidases; Nucleotides; Placenta; Pregnancy; Purines; Uracil Nucleotides; Xanthines | 1965 |
BIOSYNTHESIS OF RIBOFLAVINE BY A PURINE-REQUIRING MUTANT STRAIN OF ESCHERICHIA COLI.
Topics: Adenine; Escherichia coli; Glycine; Guanine; Imidazoles; Metabolism; Mutation; Nucleic Acids; Purines; Research; Riboflavin | 1965 |
INHIBITION OF PRUINE PHOSPHORIBOSYLTRANSFERASES OF EHRLICH ASCITES-TUMOUR CELLS BY 6-MERCAPTOPURINE.
Topics: Adenine; Adenine Nucleotides; Adenosine Monophosphate; Animals; Ascites; Carcinoma, Ehrlich Tumor; Diphosphates; Electrophoresis; Enzyme Inhibitors; Glucosyltransferases; Guanine; Guanine Nucleotides; Hypoxanthines; Kinetics; Mercaptopurine; Nucleotides; Pharmacology; Purines; Research; Spectrophotometry; Transferases; Xanthines | 1965 |
REGULATION OF XANTHINE DEHYDROGENASE IN CHICK LIVER. EFFECT OF STARVATION AND OF ADMINISTRATION OF PURINES AND PURINE NUCLEOSIDES.
Topics: Adenine; Adenosine; Animals; Chickens; Cortisone; Guanine; Guanosine; Hypoxanthines; Inosine; Liver; Nucleosides; Pharmacology; Poultry; Purine Nucleosides; Purines; Puromycin; Research; Ribonucleosides; Spectrophotometry; Starvation; Xanthine Dehydrogenase; Xanthine Oxidase; Xanthines | 1965 |
Metabolic and chemotherapeutic investigation of human glioblastoma in vitro.
Topics: Glioblastoma; Guanine; Humans; Imidazoles; In Vitro Techniques; Purines; Research Design; Tissue Culture Techniques | 1954 |
The effects of 6-mercaptopurine, 8-azaguanine, and 1,4-dimethanesulfonyloxybutane on an experimental brain tumor: preliminary observations.
Topics: Animals; Azaguanine; Brain; Brain Neoplasms; Glycols; Guanine; Mercaptopurine; Neoplasms, Experimental; Purines | 1954 |
Inhibition of induced enzyme formation by purine analogues.
Topics: Glycoside Hydrolases; Guanine; Micrococcus; Purines; Staphylococcus aureus | 1955 |
Biosynthesis of nucleic acid purines. I. Formation of guanine from adenine compounds in bone marrow extracts.
Topics: Adenine; Adenosine; Biochemical Phenomena; Bone Marrow; Guanine; Nucleic Acids; Purines; Tissue Extracts | 1955 |
The structure of guanine propionate.
Topics: Fungi; Guanine; Propionates; Purines | 1961 |
Bases of the nucleic acid of fowlpox virus and host deoxyribonucleic acid.
Topics: Adenine; DNA; Fowlpox virus; Guanine; Nucleic Acids; Purines; Pyrimidines; Viruses | 1962 |
Factors related to the growth of psittacosis virus (strain 6BC) II. Purines, pyrimidines, and other components related to nucleic acid.
Topics: 2-Aminopurine; Adenine; Benzimidazoles; Guanine; Nucleic Acids; Psittacosis; Pterins; Purines; Pyrimidines | 1952 |
Collisionally-induced dissociation of purine antiviral agents: mechanisms of ion formation using gas phase hydrogen/deuterium exchange and electrospray ionization tandem mass spectrometry.
Topics: Acyclovir; Adenine; Antiviral Agents; Deuterium Exchange Measurement; Gases; Guanine; Hydrogen; Ions; Molecular Structure; Protons; Purines; Spectrometry, Mass, Electrospray Ionization; Vidarabine; Vidarabine Phosphate | 2004 |
Purine and pyrimidine contents of some desoxypentose nucleic acids.
Topics: Adenine; Animals; Cattle; Cytosine; Guanine; Horses; Nucleic Acids; Purines; Pyrimidines; Sheep; Thymine | 1950 |
On the role of 2,6-diaminopurine in the biosynthesis of nucleic acid guanine.
Topics: 2-Aminopurine; Guanine; Nucleic Acids; Purines | 1950 |
A new synthesis of the purines adenine, hypoxanthine, xanthine, and isoguanine.
Topics: Adenine; Guanine; Hypoxanthine; Purines; Xanthine; Xanthines | 1950 |
Loss of reduced folate carrier function and folate depletion result in enhanced pemetrexed inhibition of purine synthesis.
Topics: Animals; Blotting, Western; Cattle; Cell Division; Cell Line, Tumor; Culture Media; Dose-Response Relationship, Drug; Folic Acid; Folic Acid Antagonists; Glutamates; Guanine; HeLa Cells; Humans; Hypoxanthine; Leucovorin; Membrane Transport Proteins; Pemetrexed; Purines; Reduced Folate Carrier Protein; Serum; Thymidylate Synthase; Thymine | 2005 |
Structure of purine-purine mispairs during misincorporation and extension by Escherichia coli DNA polymerase I.
Topics: Adenine; Base Pair Mismatch; Base Sequence; DNA Polymerase I; DNA Replication; Escherichia coli; Guanine; Hydrogen Bonding; Kinetics; Molecular Sequence Data; Nucleic Acid Conformation; Purines; Structure-Activity Relationship | 2006 |
Thermodynamic and kinetic characterization of ligand binding to the purine riboswitch aptamer domain.
Topics: 2-Aminopurine; 5' Untranslated Regions; Adenine; Aptamers, Nucleotide; Guanine; Ligands; Models, Molecular; Mutation; Nucleic Acid Conformation; Purines; Pyrimidines; Regulatory Sequences, Ribonucleic Acid; RNA, Bacterial; Thermodynamics | 2006 |
Profiles of purine biosynthesis, salvage and degradation in disks of potato (Solanum tuberosum L.) tubers.
Topics: Adenine; Deoxyribonucleosides; Guanine; Guanosine; Hypoxanthine Phosphoribosyltransferase; Inosine; Metabolic Networks and Pathways; Models, Biological; Pentosyltransferases; Plant Tubers; Purine Nucleotides; Purine-Nucleoside Phosphorylase; Purines; Ribonucleosides; Solanum tuberosum; Xanthine; Xanthines | 2006 |
Role of hoogsteen edge hydrogen bonding at template purines in nucleotide incorporation by human DNA polymerase iota.
Topics: Base Pairing; Cytosine; DNA Damage; DNA Polymerase iota; DNA Primers; DNA-Directed DNA Polymerase; Guanine; Humans; Hydrogen Bonding; Kinetics; Purines; Templates, Genetic; Thymine | 2006 |
Modified pyrimidines specifically bind the purine riboswitch.
Topics: Adenine; Base Pairing; Binding Sites; Crystallography, X-Ray; Guanine; Nucleic Acid Conformation; Purines; Pyrimidines; Regulatory Sequences, Ribonucleic Acid; Ribosomes | 2006 |
Differential physiological and developmental expression of the UapA and AzgA purine transporters in Aspergillus nidulans.
Topics: Adenine; Aspergillus nidulans; Biological Transport; Carrier Proteins; Cell Membrane; Culture Media; Down-Regulation; Fungal Proteins; Guanine; Hyphae; Hypoxanthine; Immunoblotting; Membrane Transport Proteins; Purines; Quaternary Ammonium Compounds | 2007 |
Purine salvage pathways among Borrelia species.
Topics: Adenylosuccinate Lyase; Adenylosuccinate Synthase; Animals; Bacterial Proteins; Blotting, Southern; Borrelia; DNA, Bacterial; Genes, Bacterial; Guanine; Humans; Hypoxanthine; Hypoxanthine Phosphoribosyltransferase; Metabolic Networks and Pathways; Mice; Molecular Sequence Data; Purines; Reverse Transcriptase Polymerase Chain Reaction; Ribonucleoside Diphosphate Reductase; RNA, Bacterial; RNA, Messenger; Sequence Analysis, DNA; Transcription, Genetic | 2007 |
Computational clues for a new mechanism in the glycosylase activity of the human DNA repair protein hOGG1. A generalized paradigm for purine-repairing systems?
Topics: Binding Sites; Computer Simulation; Crystallography, X-Ray; DNA Glycosylases; DNA Repair; Guanine; Humans; Models, Chemical; Models, Molecular; Molecular Conformation; N-Glycosyl Hydrolases; Protein Conformation; Purines | 2007 |
Growth-promoting activities of guanine, guanosine, guanylic acid, and xanthine for a purine-deficient strain of Neurospora.
Topics: Guanine; Guanosine; Guanosine Monophosphate; Nerve Growth Factors; Neurospora; Purines; Xanthine; Xanthines | 1949 |
The electron affinities of deprotonated adenine, guanine, cytosine, uracil, and thymine.
Topics: Adenine; Cytosine; Electrons; Gas Chromatography-Mass Spectrometry; Gases; Guanine; Hydrogen-Ion Concentration; Kinetics; Models, Chemical; Photochemistry; Protons; Purines; Pyrimidines; Thermodynamics; Thymine; Uracil | 2008 |
Formation of purine-purine mispairs by Sulfolobus solfataricus DNA polymerase IV.
Topics: Adenine; Archaeal Proteins; Base Pair Mismatch; Base Pairing; DNA Damage; DNA Polymerase beta; DNA Replication; Guanine; Hydrogen Bonding; Kinetics; Molecular Structure; Purines; Sulfolobus solfataricus | 2008 |
Growth-promoting activity of guanine for the purine-deficient Neurospora 28610.
Topics: Guanine; Humans; Nerve Growth Factors; Neurospora; Purines; Streptomycin; Urea | 1948 |
An ab initio study of substituent effects on the excited states of purine derivatives.
Topics: 2-Aminopurine; Adenine; Electrons; Gases; Guanine; Hypoxanthine; Isomerism; Purines; Quantum Theory; Xanthine | 2008 |
Purine utilization by Klebsiella oxytoca M5al: genes for ring-oxidizing and -opening enzymes.
Topics: Bacterial Proteins; Dioxygenases; Fungal Proteins; Guanine; Guanine Deaminase; Klebsiella oxytoca; Models, Genetic; Molecular Sequence Data; Molecular Structure; Purines; Racemases and Epimerases; Sequence Analysis, DNA; Transcription, Genetic; Urea; Uric Acid; Xanthine; Xanthine Dehydrogenase | 2009 |
Impact of ketone and amino on the inner shell of guanine.
Topics: 2-Aminopurine; DNA; Guanine; Hypoxanthine; Models, Chemical; Models, Molecular; Photochemical Processes; Purines; Quantum Theory; Structure-Activity Relationship; Synchrotrons | 2009 |
Electrochemical determination of guanine and adenine by CdS microspheres modified electrode and evaluation of damage to DNA purine bases by UV radiation.
Topics: Adenine; Biosensing Techniques; Cadmium Compounds; Conductometry; DNA; DNA Damage; Equipment Design; Equipment Failure Analysis; Guanine; Purines; Sulfides | 2010 |
Thymine dimer photoreversal in purine-containing trinucleotides.
Topics: Adenine; Guanine; Isomerism; Purines; Pyrimidine Dimers; Quantum Theory; Spectrophotometry, Ultraviolet | 2012 |
Free radical routes for prebiotic formation of DNA nucleobases from formamide.
Topics: Adenine; Evolution, Chemical; Formamides; Free Radicals; Guanine; Hypoxanthine; Molecular Structure; Purines | 2013 |
[Determination of four kinds of purines in deer fetus soft capsule by HPLC].
Topics: Adenine; Animals; Capsules; Chromatography, High Pressure Liquid; Deer; Fetus; Guanine; Hypoxanthine; Materia Medica; Purines; Quality Control; Reproducibility of Results; Xanthine | 2014 |
Deprotonated purine dissociation: experiments, computations, and astrobiological implications.
Topics: Adenine; Anions; Carbodiimides; Computer Simulation; Cyanamide; Cyanates; Cyanides; Exobiology; Guanine; Hydrogen Cyanide; Models, Chemical; Molecular Structure; Protons; Purines; Tandem Mass Spectrometry | 2015 |
Influence of oxidized purine processing on strand directionality of mismatch repair.
Topics: Adenosine Triphosphatases; Animals; Base Pair Mismatch; Base Sequence; Carrier Proteins; DNA; DNA Damage; DNA Glycosylases; DNA Mismatch Repair; DNA Repair Enzymes; DNA Replication; DNA-Binding Proteins; DNA-Directed DNA Polymerase; Female; Guanine; HCT116 Cells; Humans; Mismatch Repair Endonuclease PMS2; Molecular Sequence Data; MutL Proteins; Oocytes; Oxidation-Reduction; Purines; Saccharomyces cerevisiae Proteins; Xenopus laevis | 2015 |
Purine and Guanine Thioglycoside Analogs: Novel Synthesis of a New Class of Pyrazolo[1,5-a][1,3,5]Triazine-4-Thioglycoside Derivatives under Microwave Activation.
Topics: Guanine; Microwaves; Purine Nucleosides; Purines; Pyrazoles; Thioglycosides; Triazines | 2015 |
Mechanisms involved in the antinociception induced by spinal administration of inosine or guanine in mice.
Topics: Analgesics; Animals; Guanine; Injections, Spinal; Inosine; Male; Mice; Nociception; Pain; Purines; Receptors, Purinergic P1 | 2016 |
A role for adenine nucleotides in the sensing mechanism to purine starvation in Leishmania donovani.
Topics: Adenine; Adenine Nucleotides; Guanine; Guanine Nucleotides; Leishmania donovani; Purine Nucleotides; Purines; Starvation | 2016 |
Tautomeric equilibria of isoguanine and related purine analogs.
Topics: Guanine; Isomerism; Purines; Spectrum Analysis | 2017 |
Purine analogs targeting the guanine riboswitch as potential antibiotics against Clostridioides difficile.
Topics: Anti-Bacterial Agents; Clostridioides difficile; Dose-Response Relationship, Drug; Guanine; Microbial Sensitivity Tests; Molecular Structure; Purines; Riboswitch; Structure-Activity Relationship | 2018 |
Fluorescent excimers and exciplexes of the purine base derivative 8-phenylethynyl-guanine in DNA hairpins.
Topics: DNA; Fluorescence; Guanine; Nucleic Acid Conformation; Purines | 2018 |
X-ray Crystal Structures Show DNA Stacking Advantage of Terminal Nitrile Substitution in Ru-dppz Complexes.
Topics: Base Pairing; Coordination Complexes; Crystallography, X-Ray; DNA; Guanine; Intercalating Agents; Ligands; Models, Chemical; Molecular Structure; Nitriles; Purines; Ruthenium; Stereoisomerism; Structure-Activity Relationship; X-Rays | 2018 |
UV Absorption and Magnetic Circular Dichroism Spectra of Purine, Adenine, and Guanine: A Coupled Cluster Study in Vacuo and in Aqueous Solution.
Topics: Adenine; Circular Dichroism; Guanine; Models, Chemical; Models, Molecular; Purines; Quantum Theory; Spectrophotometry, Ultraviolet; Thermodynamics; Water | 2019 |
Purine Functional Group Type and Placement Modulate the Interaction with Carbon-Fiber Microelectrodes.
Topics: Adenine; Adsorption; Brain; Carbon Fiber; Diffusion; Electrochemistry; Guanine; Microelectrodes; Oxidation-Reduction; Purines | 2019 |
Catabolism of 8-oxo-purines is mainly routed via the guanine to xanthine interconversion pathway in Mycobacterium smegmatis.
Topics: Guanine; Humans; Mycobacterium Infections, Nontuberculous; Mycobacterium smegmatis; Purines; Xanthine | 2019 |
Fluorescence of the tri-cyclic adenine and isoguanine derivatives and their ribosides: possible analytical applications.
Topics: Adenine; Fluorescence; Glycosides; Guanine; Humans; Kinetics; Purine-Nucleoside Phosphorylase; Purines | 2019 |
Ligand Binding Mechanism and Its Relationship with Conformational Changes in Adenine Riboswitch.
Topics: Adenine; Bacterial Proteins; Guanine; Ligands; Models, Molecular; Molecular Dynamics Simulation; Mutation; Nucleic Acid Conformation; Purines; Pyrimidines; Riboswitch | 2020 |
RNA polymerase II stalls on oxidative DNA damage via a torsion-latch mechanism involving lone pair-π and CH-π interactions.
Topics: Base Pairing; DNA; DNA Damage; DNA Repair; Guanidines; Guanine; Guanosine; Hydantoins; Oxidation-Reduction; Oxidative Stress; Purines; RNA Polymerase II; Saccharomyces cerevisiae; Saccharomyces cerevisiae Proteins; Spiro Compounds; Transcription, Genetic; Transcriptional Activation | 2020 |
Biogenic Guanine Crystals Are Solid Solutions of Guanine and Other Purine Metabolites.
Topics: Animals; Guanine; Hypoxanthine; Purines; Xanthine | 2022 |
Revisiting biocrystallization: purine crystalline inclusions are widespread in eukaryotes.
Topics: Biomineralization; Eukaryota; Guanine; Humans; Purines | 2022 |
DNA with Purine-Purine Base Pairs: Size and Position of Isoguanine and 8-Aza-7-deazaisoguanine Clickable Residues Control the Molecular Recognition of Guanine and 5-Aza-7-deazaguanine.
Topics: Base Pairing; DNA; Guanine; Nucleic Acid Conformation; Oligonucleotides; Purines; Pyrenes; Pyrimidines; Pyrroles | 2022 |