tryptophan has been researched along with nitrosoguanidines in 33 studies
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 32 (96.97) | 18.7374 |
| 1990's | 1 (3.03) | 18.2507 |
| 2000's | 0 (0.00) | 29.6817 |
| 2010's | 0 (0.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| MacPhee, DG | 1 |
| Ivers, JJ; Siegel, EC | 1 |
| Koyama, AH; Nagata, T; Wada, C; Yura, T | 1 |
| Dillon, D; Macleod, H; Stadler, D | 1 |
| Fomichev, IuK; Maksimova, NI; Olekhnovich, IN | 1 |
| Hoch, JA; Nester, EW | 1 |
| Ingram, LO; Jensen, RA; Kane, JF; Pierson, D; Van Baalen, C | 1 |
| Godfrey, OW | 1 |
| Fukada, T; Morishita, T; Shirota, M; Yura, T | 1 |
| Lester, G; Russell, PJ; Schlitt, SC | 1 |
| Lindberg, M; Philipson, L; Rudin, L; Sjöström, JE | 1 |
| Dahl, R; Morse, ML; Wang, RJ | 1 |
| Lovett, PS | 1 |
| Mohn, G | 1 |
| Kamel, F; Siegel, EC | 1 |
| Beck, CF; Ingraham, JL; Kleker, E; Neuhard, J; Thomassen, E | 1 |
| Neale, S | 1 |
| Karunakaran, V; Middleton, RB | 1 |
| Balbinder, E; La Scolea, LJ | 1 |
| Belser, WL; Robb, F | 1 |
| Chater, KF; Dowding, JE; Hopwood, DA; Vivian, A | 1 |
| Juni, E | 1 |
| Hince, TA; Neale, S | 1 |
| Waltho, JA | 1 |
| Calhoun, DH; Jensen, RA; Pierson, DL | 1 |
| Hamdi, YA | 1 |
| Coplin, DL; Hanson, RS; Sequeira, L | 1 |
| Schweingruber, ME; Wyssling, HB | 1 |
| Altenbern, RA | 1 |
| Camakaris, J; Pittard, J | 1 |
| Crawford, IP; Enatsu, T | 1 |
| Bonner, M; Horn, V; Stasiowski, S; Yanofsky, C | 1 |
| Crawford, IP; Sawula, RV | 1 |
1 review(s) available for tryptophan and nitrosoguanidines
| Article | Year |
|---|---|
Advances in Streptomyces coelicolor genetics.
Topics: Bacteriological Techniques; Bacteriophages; Carbon Dioxide; Chromosome Mapping; Crosses, Genetic; Genetics, Microbial; Histidine; Lysogeny; Methoxsalen; Microscopy, Electron; Microscopy, Phase-Contrast; Mutagens; Mutation; Nitrosoguanidines; Radiation Effects; Recombination, Genetic; Streptomyces; Transduction, Genetic; Tryptophan; Ultraviolet Rays | 1973 |
32 other study(ies) available for tryptophan and nitrosoguanidines
| Article | Year |
|---|---|
Spontaneous, ultraviolet and ionizing radiation mutagenesis in two auxotrophic strains of Salmonella typhimurium carrying an R plasmid.
Topics: Gamma Rays; Histidine; Methyl Methanesulfonate; Mutation; Nitrosoguanidines; Phenotype; R Factors; Salmonella typhimurium; Tryptophan; Ultraviolet Rays | 1977 |
mut-25, a mutation to mutator linked to purA in Escherichia coli.
Topics: Base Sequence; Coliphages; DNA Repair; DNA Viruses; Escherichia coli; Extrachromosomal Inheritance; Genes; Lysogeny; Mutagens; Mutation; Nitrosoguanidines; Phenotype; Purines; Radiation Effects; Recombination, Genetic; Transduction, Genetic; Tryptophan; Ultraviolet Rays | 1975 |
Indirect selection for plasmid mutants: isolation of ColVBtrp mutants defective in self-maintenance in Escherichia coli.
Topics: Colicins; Coliphages; Conjugation, Genetic; Escherichia coli; Extrachromosomal Inheritance; Lysogeny; Mutagens; Mutation; Nitrosoguanidines; RNA Viruses; Temperature; Tryptophan | 1975 |
Spontaneous mutation at the mtr locus of Neurospora: the spectrum of mutant types.
Topics: Aminoacridines; Cloning, Molecular; Genes, Fungal; Membrane Transport Proteins; Multigene Family; Mutation; Neurospora; Nitrogen Mustard Compounds; Nitrosoguanidines; Restriction Mapping; Tryptophan | 1991 |
[Tryptophan operon of methylotrophic facultative Pseudomonas sp. M bacteria. I. Isolation and characterization of auxotrophic Trp-mutants].
Topics: Methane; Mutation; Nitrosoguanidines; Operon; Pseudomonas; Tryptophan | 1985 |
Gene-enzyme relationships of aromatic acid biosynthesis in Bacillus subtilis.
Topics: Alcohol Oxidoreductases; Aldehyde-Lyases; Bacillus subtilis; Cell-Free System; Chromosome Mapping; Genes; Hydro-Lyases; Lyases; Mutagens; Mutation; Nitrosoguanidines; Phenylalanine; Phosphotransferases; Transaminases; Transduction, Genetic; Transferases; Transformation, Genetic; Tryptophan; Tyrosine; Ultraviolet Rays | 1973 |
Documentation of auxotrophic mutation in blue-green bacteria: characterization of a tryptophan auxotroph in Agmenellum quadruplicatum.
Topics: Anthranilate Synthase; Carbohydrate Epimerases; Carboxy-Lyases; Cell-Free System; Cyanobacteria; Enzyme Repression; Glycerophosphates; Mutagens; Mutation; Nitrosoguanidines; ortho-Aminobenzoates; Penicillin G; Pentosyltransferases; Spectrometry, Fluorescence; Tryptophan; Tryptophan Synthase | 1972 |
Directed mutation in Streptomyces lipmanii.
Topics: Bacillus subtilis; Biological Assay; Carbon Radioisotopes; Cephalosporins; Cycloserine; DNA Replication; DNA, Bacterial; Fluorine; Genes; Hydrogen-Ion Concentration; Leucine; Mutagens; Mutation; Nitrosoguanidines; Penicillin Resistance; Penicillins; Pseudomonas; Salmonella; Streptomyces; Thymidine; Tritium; Tryptophan | 1974 |
Genetic basis of nutritional requirements in Lactobacillus casei.
Topics: Adenine; Amino Acids; Cell-Free System; Culture Media; Indoles; Lacticaseibacillus casei; Mutagens; Mutation; Nitrosoguanidines; ortho-Aminobenzoates; Purines; Pyrimidines; Tryptophan; Tryptophan Synthase; Ultraviolet Rays; Vitamins | 1974 |
Isolation and characterization of low-kynureninase mutants of Neurospora crassa.
Topics: Chromatography, DEAE-Cellulose; Enzyme Induction; Genes, Regulator; Hydrolases; Kynurenine; Mitochondria; Molecular Weight; Mutagens; Mutation; Neurospora; Neurospora crassa; Nitrosoguanidines; Stereoisomerism; Tryptophan | 1974 |
Factors affecting competence for transformation in Staphylococcus aureus.
Topics: Barium; Calcium; Culture Media; Cytidine; DNA, Bacterial; Drug Resistance, Microbial; Erythromycin; Extrachromosomal Inheritance; Hydrogen-Ion Concentration; Lysogeny; Magnesium; Mutagens; Mutation; Nitrosoguanidines; Staphylococcus; Staphylococcus Phages; Temperature; Thymine; Time Factors; Transformation, Genetic; Tryptophan; Tyrosine | 1974 |
Effect of pleiotropic carbohydrate mutations (ctr) on tryptophan catabolism.
Topics: Carbohydrate Metabolism; Carbon Isotopes; Chromosome Mapping; Culture Media; Cyclic AMP; Escherichia coli; Genetics, Microbial; Hydrolysis; Mutagens; Mutation; Nitrosoguanidines; Spectrum Analysis; Suppression, Genetic; Transduction, Genetic; Tryptophan; Tryptophan Oxygenase | 1971 |
Spontaneous auxotrophic and pigmented mutants occurring at high frequency in Bacillus pumilus NRRL B-3275.
Topics: Acridines; Alkanesulfonates; Bacillus; Culture Media; Drug Resistance, Microbial; Erythromycin; Fluorouracil; L Forms; Lysogeny; Methylation; Mutagens; Mutation; Nitrosoguanidines; Pigments, Biological; Rifampin; Spectrophotometry; Streptomycin; Sulfates; Temperature; Transduction, Genetic; Tryptophan | 1972 |
5-Methyltryptophan resistance mutations in Escherichia coli K-12. Mutagenic activity of monofunctional alkylating agents including organophosphorus insecticides.
Topics: Alkylating Agents; Dichlorvos; Dimethoate; Drug Resistance, Microbial; Escherichia coli; Insecticides; Lactones; Malathion; Mesylates; Mutagens; Nitro Compounds; Nitrosoguanidines; Parathion; Propionates; Tryptophan | 1973 |
Reversion of frameshift mutations by mutator genes in Escherichia coli.
Topics: Acridines; Adenine; Alkanesulfonates; Alleles; Base Sequence; Chromosome Mapping; Escherichia coli; Genes; Lactose; Mutagens; Mutation; Nitrosoguanidines; Transduction, Genetic; Tryptophan | 1974 |
Salmonella typhimurium mutants defective in cytidine monophosphate kinase (cmk).
Topics: Autoradiography; Carbon Radioisotopes; Chromosome Mapping; Cytidine; Cytosine Nucleotides; Deoxycytidine Monophosphate; Fluorine; Genes; Mutagens; Mutation; Nitrosoguanidines; Oxidative Phosphorylation; Phosphorus Radioisotopes; Phosphotransferases; Salmonella typhimurium; Transduction, Genetic; Tryptophan; Ultraviolet Rays; Uridine | 1974 |
Effect of pH and temperature on nitrosamide-induced mutation in Escherichia coli.
Topics: Amides; Cell Survival; Escherichia coli; Genetic Code; Guanidines; Hydrogen-Ion Concentration; Leucine; Methods; Mutagens; Mutation; Nitroso Compounds; Nitrosoguanidines; Nitrosourea Compounds; Temperature; Time Factors; Tryptophan; Urea | 1972 |
Transduction of Salmonella typhimurium genetic material by coliphage P1 in S. typhimurium Hfr x escherichia coli hybrids.
Topics: Chromosomes, Bacterial; Coliphages; Conjugation, Genetic; Crosses, Genetic; Escherichia coli; Hybrid Cells; Mutagens; Mutation; Nitrosoguanidines; Salmonella typhimurium; Transduction, Genetic; Tryptophan | 1972 |
Restoration of phosphoribosyl transferase activity by partially deleting the trpB gene in the tryptophan operon of Salmonella typhimurium.
Topics: Acridines; Cell-Free System; Chromosome Mapping; Chromosomes, Bacterial; Culture Media; Genes; Glutamine; Mutagens; Mutation; Nitrites; Nitrosoguanidines; Operon; ortho-Aminobenzoates; Pentosyltransferases; Recombination, Genetic; Ribose; Salmonella typhimurium; Spectrophotometry; Transaminases; Transduction, Genetic; Tryptophan; Tryptophan Synthase | 1972 |
Anthranilate synthetase. In vitro complementation between Serratia marcescens and Escherichia coli subunits.
Topics: Ammonium Sulfate; Centrifugation, Density Gradient; Chemical Precipitation; Chromatography, DEAE-Cellulose; Chromatography, Gel; Cyclohexanecarboxylic Acids; Enzyme Repression; Escherichia coli; Genetics, Microbial; Glutamine; Macromolecular Substances; Molecular Weight; Mutation; Nitrosoguanidines; ortho-Aminobenzoates; Serratia marcescens; Transaminases; Transferases; Tryptophan; Tryptophan Synthase; Vinyl Compounds | 1972 |
Simple genetic transformation assay for rapid diagnosis of Moraxella osloensis.
Topics: Acinetobacter; Alcaligenes; Bacteriological Techniques; Culture Media; DNA, Bacterial; Methods; Micrococcus; Moraxella; Mutagens; Mutation; Nitrosoguanidines; Transformation, Genetic; Tryptophan | 1974 |
A comparison of the mutagenic action of the methyl and ethyl derivatives of nitrosamides and nitrosamidines on Escherichia coli.
Topics: Chromosome Mapping; Chromosomes, Bacterial; DNA Replication; DNA, Bacterial; Escherichia coli; Hydrogen-Ion Concentration; Methylurea Compounds; Mutagens; Mutation; Nitrosoguanidines; Nitrosourea Compounds; Time Factors; Tryptophan | 1974 |
Genetic analysis of phenylalanine-responding mutants of Pseudomonas aeruginosa.
Topics: Cell-Free System; Culture Media; Cyclohexanecarboxylic Acids; Cyclohexanes; Genes; Hydro-Lyases; Mutagens; Mutation; Nitrosoguanidines; Phenylalanine; Pseudomonas aeruginosa; Pyruvates; Recombination, Genetic; Shikimic Acid; Spectrophotometry; Transaminases; Transduction, Genetic; Tryptophan; Tyrosine | 1972 |
The regulation of tryptophan biosynthesis in Pseudomonas aeruginosa.
Topics: Bacteriophages; Enzyme Induction; Enzyme Repression; Genetics, Microbial; Mutation; Nitrosoguanidines; Pseudomonas aeruginosa; Tryptophan; Tryptophan Synthase | 1973 |
Swelling forms on roots of berseem-clover (Trifolium alexandrinum), caused by a strain of Rhizobium trifolii.
Topics: Acridines; Egypt; Indoleacetic Acids; Mutation; Nitrosoguanidines; Plant Development; Plant Growth Regulators; Rhizobium; Soil Microbiology; Tryptophan | 1973 |
Pseudomonas solanacearum: virulence of biochemical mutants.
Topics: Amino Acids; Aspartic Acid; Culture Media; Leucine; Methionine; Mutagens; Mutation; Nitrosoguanidines; Plant Diseases; Plant Extracts; Plants; Pseudomonas; Species Specificity; Tryptophan; Virulence | 1974 |
Studies concerning the biochemical genetics of activity and feedback inhibition mutants of Schizosaccharomyces pombe 3-deoxy-D-arabino-neptulosomate-7-phosphate synthase.
Topics: Aldehyde-Lyases; Allosteric Regulation; Ascomycota; Chromatography, Gel; Crosses, Genetic; Diploidy; Genetic Complementation Test; Genetic Linkage; Hydrogen-Ion Concentration; Mutation; Nitrosoguanidines; Phenylalanine; Spectrophotometry; Spores, Fungal; Sugar Phosphates; Tryptophan; Tyrosine | 1974 |
Marker frequency analysis mapping of the Staphylococcus aureus chromosome.
Topics: Acridines; Alcohols; Amino Acids; Bacteriological Techniques; Chloramphenicol; Chromosome Mapping; Chromosomes, Bacterial; Culture Media; DNA Replication; DNA, Bacterial; Genes; Genetics, Microbial; Mutagens; Mutation; Nitrofurazone; Nitrosoguanidines; Novobiocin; Spectrophotometry; Staphylococcus; Transformation, Genetic; Tryptophan | 1971 |
Repression of 3-deoxy-D-arabinoheptulosonic acid-7-phosphate synthetase (trp) and enzymes of the tryptophan pathway in Escherichia coli K-12.
Topics: Aldehyde-Lyases; Alleles; Cell-Free System; Chromosome Mapping; Culture Media; Cyclohexanes; Enzyme Repression; Escherichia coli; Genes; Genetics, Microbial; Isoenzymes; Ligases; Mutagens; Mutation; Nitrosoguanidines; ortho-Aminobenzoates; Phosphoenolpyruvate; Recombination, Genetic; RNA, Transfer; Tetroses; Transaminases; Transduction, Genetic; Tryptophan | 1971 |
Pseudomonas putida tryptophan synthetase.
Topics: Amino Acids; Ammonium Sulfate; Autoanalysis; Centrifugation, Density Gradient; Chemical Precipitation; Chromatography, Gel; Chromatography, Ion Exchange; Culture Media; Deamination; Electrophoresis, Disc; Escherichia coli; Genetics, Microbial; Hot Temperature; Hydro-Lyases; Mutagens; Mutation; Nitrosoguanidines; Phosphates; Potassium; Protamines; Pseudomonas; Pyruvates; Serine; Species Specificity; Tryptophan; Ultracentrifugation | 1971 |
Polarity and enzyme functions in mutants of the first three genes of the tryptophan operon of Escherichia coli.
Topics: Acridines; Chromosome Mapping; Coliphages; Escherichia coli; Genetic Complementation Test; Genetics, Microbial; Hydro-Lyases; Mutation; Nitrosoguanidines; Operon; ortho-Aminobenzoates; Peptide Biosynthesis; Peptide Chain Termination, Translational; Radiation Effects; Suppression, Genetic; Transduction, Genetic; Tryptophan; Ultraviolet Rays | 1971 |
Mapping of the tryptophan genes of Acinetobacter calcoaceticus by transformation.
Topics: Alcaligenes; Bacteria; Cell-Free System; Chromatography, Paper; Chromosome Mapping; Chromosomes, Bacterial; Culture Media; Cyclohexanecarboxylic Acids; Glutamates; Glycerophosphates; Hydro-Lyases; Isomerases; Mutagens; Mutation; Nitrosoguanidines; ortho-Aminobenzoates; Terminology as Topic; Transaminases; Transformation, Genetic; Tryptophan; Tryptophan Synthase | 1972 |