nitrosoguanidines has been researched along with leucine in 48 studies
Timeframe | Studies, this research(%) | All Research% |
---|---|---|
pre-1990 | 47 (97.92) | 18.7374 |
1990's | 1 (2.08) | 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 |
---|---|
Brownell, GH; Wood, DO | 1 |
Dyson, HJ; Upcroft, P; Wake, RG | 1 |
Cerdá-Olmedo, E; Jiménez-Sánchez, A | 1 |
Hopwood, DA; Hutter, R; Schupp, T | 1 |
Nagai, K; Tamura, G | 1 |
Imae, Y; Kambe, M; Kurahashi, K | 1 |
Canale-Parola, E; Uffen, RL | 1 |
Bloomstein, MI; Ennis, HL | 1 |
Doolittle, WF; Singer, RA | 1 |
Godfrey, OW | 1 |
Bourgeois, R; Murray, RG; Wilkins, PO | 1 |
Iwaki, M; Kaji, E; Kanda, M; Saito, Y; Shimura, K | 1 |
Magni, GE; Panzeri, L; Sora, S | 1 |
Artman, M; Werthamer, S | 1 |
Konícek, J; Konícková-Radochová, M | 1 |
Loomis, WF; Luzzati, D; Wahrmann, JP | 1 |
Kay, HD; Laughlin, MH; Pattee, PA; Schutzbank, T | 1 |
Kinross, J; Monk, M | 1 |
Neale, S | 1 |
Grimminger, H; Lingens, F; Springer, W | 1 |
Amzallag, A; Middleton, RB; Somers, JM | 1 |
Friesen, JD; Roback, ER | 1 |
Pardee, AB; Wu, PC | 1 |
Pine, MJ | 2 |
Blackman, E; Sparling, PF | 1 |
Claus, DR; Oxender, DL; Rahmanian, M | 1 |
De Felice, M; Guardiola, J; Iaccarino, M; Klopotowski, T | 1 |
Savageau, MA; Templeton, BA | 1 |
Hosogaya, S; Matsumoto, H; Tazaki, T | 1 |
Glaser, DA; Waskell, L | 1 |
Beyersmann, D; Messer, W; Schlicht, M | 1 |
De Felice, M; Guardiola, J; Iaccarino, M; Klopotowski, T; Malorni, MC | 1 |
Kemper, J | 1 |
Stewart, CR; Tole, MF | 1 |
Twarog, R | 1 |
Condit, C; Singer, B | 1 |
Coplin, DL; Hanson, RS; Sequeira, L | 1 |
Bertram, JS; Heidelberger, C; Peterson, AR | 1 |
Liskay, RM | 1 |
Pizer, LI; Tosa, T | 1 |
Atherly, AG; Suchanek, MC | 1 |
Gates, F; Goldstein, T; Low, B; Söll, D | 1 |
Pittard, AJ; Russell, RR | 1 |
Guardiola, J; Iaccarino, M | 1 |
Corran, J | 1 |
Baker, RM; Mankovitz, R; Siminovitch, L; Thompson, LH; Till, JE; Whitmore, GF; Wright, JA | 1 |
Decatur, AL; Losick, R; Moran, CP; Rather, PN; Schmidt, R | 1 |
48 other study(ies) available for nitrosoguanidines and leucine
Article | Year |
---|---|
Transformation of leucine and rifampin traits in Neisseria gonorrhoeae with deoxyribonucleic acid from homologous and heterologous origins.
Topics: Culture Media; DNA, Bacterial; Leucine; Mutagens; Mutation; Neisseria gonorrhoeae; Neisseria meningitidis; Nitrosoguanidines; Rifampin; Species Specificity; Transformation, Genetic | 1975 |
Characteristics of a Bacillus subtilis W23 mutant temperature sensitive for initiation of chromosome replication.
Topics: Autoradiography; Bacillus subtilis; Bacterial Proteins; Bromouracil; Cell Count; Chromosome Mapping; Chromosomes, Bacterial; DNA Replication; DNA, Bacterial; Leucine; Mutagens; Mutation; Nitrosoguanidines; RNA, Bacterial; Temperature; Thymine; Transformation, Genetic; Tritium; Uracil | 1975 |
Mutation and DNA replication in Escherichia coli treated with low concentrations of N-methyl-N'-nitro-N-nitrosoguanidine.
Topics: Arginine; Bromodeoxyuridine; Carbon Radioisotopes; Cell Survival; DNA Replication; Escherichia coli; Genes, Dominant; Leucine; Methylnitronitrosoguanidine; Mutagens; Mutation; Nitrosoguanidines; Streptomycin; Thymidine; Time Factors; Ultraviolet Rays | 1975 |
Genetic recombination in Nocardia mediterranei.
Topics: Amino Acids; Chromosome Mapping; Crosses, Genetic; Drug Resistance, Microbial; Genes; Genetic Linkage; Haploidy; Leucine; Mutagens; Mutation; Nitrosoguanidines; Nocardia; Recombination, Genetic; Rifamycins; Streptomycin; Ultraviolet Rays; Uracil | 1975 |
Mutant of Escherichia coli with thermosensitive protein in the process of cellular division.
Topics: Adenine; Bacterial Proteins; Carbon Isotopes; Cell Division; Chloramphenicol; Culture Media; DNA, Bacterial; Escherichia coli; Filtration; Leucine; Microscopy, Electron; Microscopy, Phase-Contrast; Models, Biological; Mutagens; Mutation; Nitrosoguanidines; RNA, Bacterial; Staining and Labeling; Temperature | 1972 |
Biochemical studies on gramicidin S non-producing mutants of Bacillus brevis ATCC 9999.
Topics: Adenosine Triphosphate; Amino Acid Isomerases; Bacillus; Carbon Radioisotopes; Centrifugation, Density Gradient; Chromatography, Paper; Colorimetry; Gramicidin; Leucine; Multienzyme Complexes; Mutation; Nitrosoguanidines; Ornithine; Peptide Synthases; Proline; Radiation Effects; Ultraviolet Rays; Valine | 1974 |
Synthesis of pulcherriminic acid by Bacillus subtilis.
Topics: Aerobiosis; Amino Acids; Anaerobiosis; Bacillus subtilis; Carbon Radioisotopes; Chemical Phenomena; Chemistry; Culture Media; Cyclopentanes; Dipeptides; Iron; Leucine; Mutagens; Mutation; Nitrosoguanidines; Pigments, Biological; Pyrazines; Spectrophotometry; Starch; Stereoisomerism | 1972 |
Discussion paper: antibiotic-sensitive mutants of Escherichia coli possess altered outer membranes.
Topics: Anti-Bacterial Agents; Bacterial Proteins; Carbon Radioisotopes; Cell Membrane; Cell Wall; Coliphages; Culture Media; Detergents; Edetic Acid; Escherichia coli; Leucine; Lipopolysaccharides; Microbial Sensitivity Tests; Muramidase; Mutation; Nitrosoguanidines; RNA, Bacterial; Time Factors; Uracil | 1974 |
Mutational analysis of dark endogenous metabolism in the blue-green bacterium Anacystis nidulans.
Topics: Cell Survival; Cell-Free System; Cyanobacteria; Darkness; Glucosephosphate Dehydrogenase; Glyceraldehyde-3-Phosphate Dehydrogenases; Glycogen; Isocitrate Dehydrogenase; Leucine; Mutagens; Mutation; Nitrosoguanidines; Oxygen Consumption; Phosphogluconate Dehydrogenase; Phosphorylases; Photosynthesis; Plant Proteins; RNA; Tritium; Uracil | 1974 |
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 |
Psychrotrophic properties of Listeria monocytogenes.
Topics: Bacteriological Techniques; Carbon Isotopes; Cell Membrane; Cell-Free System; Glucose; Hexoses; L-Lactate Dehydrogenase; Leucine; Listeria monocytogenes; Micropore Filters; Mutation; NAD; Nitrosoguanidines; Oxidoreductases; Oxygen Consumption; Spectrophotometry; Time Factors | 1972 |
Some mutants of Bacillus brevis deficient in gramicidin S formation.
Topics: Adenosine Triphosphate; Amino Acyl-tRNA Synthetases; Bacillus; Carbon Isotopes; Carcinogens; Chromatography, Gel; Chromatography, Ion Exchange; Chromatography, Paper; Diphosphates; Isomerases; Leucine; Mutation; Nitro Compounds; Nitrosoguanidines; Ornithine; Phenylalanine; Phosphorus Isotopes; Piperazines; Proline; Tyrothricin; Valine | 1972 |
Molecular specificity of 2-aminopurine in Saccharomyces cerevisiae.
Topics: Adenine; Amines; Base Sequence; Canavanine; Drug Resistance, Microbial; Genetic Code; Genotype; Histidine; Leucine; Mesylates; Mutagens; Mutation; Nitrosoguanidines; Phenotype; Purines; Saccharomyces cerevisiae; Ultraviolet Rays | 1973 |
Use of streptomycin and cyclic adenosine 5'-monophosphate in the isolation of mutants deficient in CAP protein.
Topics: Arabinose; Bacterial Proteins; Cyclic AMP; Escherichia coli; Galactosidases; Glucose; Glycerol; Lactose; Leucine; Mutagens; Mutation; Nitrosoguanidines; Nucleic Acid Hybridization; Operon; Rhamnose; RNA, Bacterial; RNA, Messenger; Streptomycin; Tritium; Tryptophanase; Uridine | 1974 |
Mutagenesis by N-methyl-N-nitroso-N'-nitroguanidine in synchronized cultures of Mycobacterium phlei.
Topics: Buffers; Cold Temperature; Hydrogen-Ion Concentration; Leucine; Methionine; Mutagens; Mutation; Mycobacterium; Nitrosoguanidines; Time Factors | 1974 |
Temperature-sensitive variants of an established myoblast line.
Topics: Animals; Carbon Isotopes; Cell Differentiation; Cells, Cultured; Clone Cells; Creatine Kinase; Leucine; Muscles; Mutation; Myosins; Nitrosoguanidines; Phosphorylases; Rats; Temperature | 1973 |
Genetic analysis of the leucine biosynthetic genes and their relationship to the ilv gene cluster.
Topics: Bacteriophage Typing; Genes; Genetic Complementation Test; Genetic Linkage; Isoleucine; Leucine; Molecular Biology; Mutagens; Mutation; Nitrosoguanidines; Staphylococcus; Stereoisomerism; Transduction, Genetic; Valine | 1974 |
Conditional lethality of recA and recB derivatives of a strain of Escherichia coli K-12 with a temperature-sensitive deoxyribonucleic acid polymerase I.
Topics: Alkanes; Bacterial Proteins; Carbon Isotopes; DNA Nucleotidyltransferases; DNA, Bacterial; Escherichia coli; Leucine; Microbial Sensitivity Tests; Mutagens; Mutation; Nitrosoguanidines; Nucleic Acid Denaturation; Radiation Effects; Recombination, Genetic; Temperature; Thymine; Time Factors; Transduction, Genetic; Tritium; Ultraviolet Rays | 1972 |
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 |
Isoleucine auxotrophy due to feedback hypersensitivity of biosynthetic threonine deaminase.
Topics: Cell-Free System; Culture Media; Feedback; Genetics, Microbial; Hydro-Lyases; Isoleucine; Leucine; Mutagens; Mutation; Nitrosoguanidines; Salmonella typhimurium; Threonine; Transaminases; Tritium; Valine | 1972 |
Genetic fine structure of the leucine operon of Escherichia coli K-12.
Topics: Alcohol Oxidoreductases; Arabinose; Cell-Free System; Chromosome Mapping; Crosses, Genetic; Dicarboxylic Acids; Escherichia coli; Genetic Complementation Test; Leucine; Mutagens; Mutation; Nitrosoguanidines; Operon; Oxo-Acid-Lyases; Recombination, Genetic; Salmonella typhimurium; Transduction, Genetic; Valerates | 1973 |
A temperature-sensitive glycyl-transfer ribonucleic acid synthetase mutant of Escherichia coli.
Topics: Amino Acyl-tRNA Synthetases; Bacterial Proteins; Carbon Isotopes; Cell-Free System; Chromosome Mapping; DNA, Bacterial; Escherichia coli; Leucine; Lysogeny; Mutagens; Mutation; Nitrosoguanidines; RNA, Bacterial; Spectrophotometry; Temperature; Thymine; Transduction, Genetic; Tritium; Uracil; Uridine | 1973 |
Cell division of Escherichia coli: control by membrane organization.
Topics: Bacterial Proteins; Carbon Isotopes; Cell Count; Cell Division; Cell Membrane; Culture Media; DNA, Bacterial; Escherichia coli; Hot Temperature; Leucine; Models, Structural; Mutagens; Mutation; Nitrosoguanidines; Osmosis; Sodium Chloride; Sucrose; Thymidine; Tritium | 1973 |
Regulation of intracellular proteolysis in Escherichia coli.
Topics: Amino Acids; Bacterial Proteins; Carbon Dioxide; Carbon Isotopes; Chloramphenicol; Culture Media; Escherichia coli; Isoleucine; Leucine; Mitomycins; Mutagens; Mutation; Nitrosoguanidines; Nucleic Acids; Quaternary Ammonium Compounds; Rifampin; Stereoisomerism; Temperature | 1973 |
Mutation to erythromycin dependence in Escherichia coli K-12.
Topics: Anti-Bacterial Agents; Bacterial Proteins; Carbon Radioisotopes; Chloramphenicol; Chromosome Mapping; Conjugation, Genetic; Drug Resistance, Microbial; Erythromycin; Escherichia coli; Genes; Leucine; Lincomycin; Mutagens; Mutation; Nitrosoguanidines; Recombination, Genetic; RNA, Bacterial; Transduction, Genetic; Tritium; Uracil | 1973 |
Stringent control of intracellular proteolysis in Escherichia coli.
Topics: Amino Acids; Autoanalysis; Bacterial Proteins; Carbon Dioxide; Carbon Radioisotopes; DNA, Bacterial; Escherichia coli; Genes, Regulator; Leucine; Mutation; Nitrosoguanidines; Nucleic Acids; Phenylalanine; RNA, Bacterial; Stereoisomerism; Thymine; Tritium; Uracil | 1973 |
Multiplicity of leucine transport systems in Escherichia coli K-12.
Topics: Alanine; Bacterial Proteins; Biological Transport, Active; Chromatography, DEAE-Cellulose; Escherichia coli; Isoleucine; Leucine; Mutation; Nitrosoguanidines; Osmosis; Protein Binding; Serine; Stereoisomerism; Threonine; Transduction, Genetic; Valine | 1973 |
Mutations affecting the different transport systems for isoleucine, leucine, and valine in Escherichia coli K-12.
Topics: Alanine; Amino Acids; Bacterial Proteins; Biological Transport, Active; Chromosome Mapping; Escherichia coli; Genes; Isoleucine; Leucine; Methionine; Mutagens; Mutation; Nitrosoguanidines; Threonine; Transduction, Genetic; Ultraviolet Rays; Valine | 1974 |
Transport of biosynthetic intermediates: homoserine and threonine uptake in Escherichia coli.
Topics: Amino Acids; Bacterial Proteins; Biological Transport, Active; Carbon Radioisotopes; Culture Media; Escherichia coli; Homoserine; Leucine; Mutagens; Mutation; Nitrosoguanidines; Serine; Threonine; Time Factors | 1974 |
Transductional analysis of the leu-thr region of chromosome of Serratia marcescens.
Topics: Azides; Chromosome Mapping; Chromosomes, Bacterial; Drug Resistance, Microbial; Genes; Genetic Linkage; Genotype; Leucine; Methods; Mutagens; Mutation; Nitrosoguanidines; Serratia marcescens; Threonine; Transduction, Genetic | 1974 |
Mutants of Escherichia coli with cold-sensitive deoxyribonucleic acid synthesis.
Topics: Alleles; Bacterial Proteins; Bacteriological Techniques; Carbon Radioisotopes; Cell Count; Chromosome Mapping; Cold Temperature; Conjugation, Genetic; DNA, Bacterial; Escherichia coli; Genetic Complementation Test; Leucine; Mutagens; Mutation; Nitrosoguanidines; Thymine; Toluene; Transduction, Genetic; Tritium; Uracil | 1974 |
Mutants of Escherichia coli B-r defective in deoxyribonucleic acid initiation: dnaI, a new gene for replication.
Topics: Bacterial Proteins; Carbon Radioisotopes; Cell Count; Chromosome Mapping; Conjugation, Genetic; DNA Replication; DNA, Bacterial; Escherichia coli; Genes; Genetic Complementation Test; Leucine; Mutagens; Mutation; Nitrosoguanidines; Suppression, Genetic; Temperature; Thymine; Transduction, Genetic; Tritium | 1974 |
Regulation of the pool size of valine in Escherichia coli K-12.
Topics: Cell-Free System; Chromosome Mapping; Drug Resistance, Microbial; Escherichia coli; Genes; Hydro-Lyases; Isoleucine; Isomerases; Leucine; Mutagens; Mutation; Nitrosoguanidines; Oxo-Acid-Lyases; Phenotype; Threonine; Transduction, Genetic; Ultraviolet Rays; Valine | 1974 |
Evolution of a new gene substituting for the leuD gene of Salmonella typhimurium: origin and nature of supQ and newD mutations.
Topics: Adenine; Chromosome Mapping; Crosses, Genetic; Genes; Genetic Linkage; Leucine; Lysogeny; Models, Biological; Mutagens; Mutation; Nitrosoguanidines; Proline; Salmonella Phages; Salmonella typhimurium; Transduction, Genetic | 1974 |
A host mutation affecting the synthesis of late proteins during infection of Bacillus subtilis by bacteriophage SP82.
Topics: Autolysis; Bacillus subtilis; Bacteriophages; DNA Replication; DNA, Viral; Leucine; Lysogeny; Mutagens; Mutation; Nitrosoguanidines; Temperature; Time Factors; Transferases; Transformation, Genetic; Tritium; Viral Proteins; Virus Replication | 1972 |
Enzymes of the isoleucine-valine pathway in Acinetobacter.
Topics: Alcaligenes; Amino Acids; Cell-Free System; Culture Media; Enzyme Repression; Feedback; Hydro-Lyases; Isoleucine; Leucine; Lyases; Mutagens; Mutation; Nitrosoguanidines; Pyruvates; Spectrophotometry; Threonine; Transaminases; Valine | 1972 |
Protein synthesis in virus-infected plants. 3. Effects of tobacco mosaic virus mutants on protein synthesis in Nicotiana tabacum.
Topics: Carbon Radioisotopes; Cell Fractionation; Electrophoresis, Polyacrylamide Gel; Hydroxylamines; Leucine; Molecular Weight; Mutagens; Mutation; Nicotiana; Nitrosoguanidines; Plant Proteins; Plants, Toxic; Subcellular Fractions; Tobacco Mosaic Virus; Tritium; Viral Proteins | 1974 |
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 |
DNA damage and its repair in transformable mouse fibroblasts treated with N-methyl-N'-nitro-N-nitrosoguanidine.
Topics: Animals; Carbon Radioisotopes; Cell Division; Cell Line; Cell Transformation, Neoplastic; Centrifugation, Density Gradient; Choline; Coliphages; DNA; DNA Repair; DNA, Neoplasm; DNA, Single-Stranded; Dose-Response Relationship, Drug; Fibroblasts; Leucine; Lipids; Methylation; Mice; Mice, Inbred C3H; Molecular Weight; Nitrosoguanidines; Proteins; Time Factors; Tritium | 1974 |
A mammalian somatic "cell cycle" mutant defective in G1.
Topics: Animals; Autoradiography; Cell Count; Cell Division; Cell Line; Cells, Cultured; DNA; Leucine; Mice; Mutagens; Mutation; Nitrosoguanidines; Protein Biosynthesis; RNA; Temperature; Thymidine; Time Factors; Tritium; Uridine | 1974 |
Biochemical bases for the antimetabolite action of L-serine hydroxamate.
Topics: Bacterial Proteins; Carbon Isotopes; Culture Media; Drug Resistance, Microbial; Escherichia coli; Genetics, Microbial; Glycerolphosphate Dehydrogenase; Glycine; Hydroxamic Acids; Leucine; Ligases; Mutagens; Mutation; Nitrosoguanidines; RNA, Bacterial; Serine; Spectrophotometry; Stereoisomerism; Threonine; Tritium; Ultracentrifugation; Uracil | 1971 |
Characterization of mutants of Escherichia coli temperature-sensitive for ribonucleic acid regulation: an unusual phenotype associated with a phenylalanyl transfer ribonucleic acid synthetase mutant.
Topics: Amino Acids; Amino Acyl-tRNA Synthetases; Bacterial Proteins; Carbon Isotopes; Cell-Free System; Centrifugation, Density Gradient; Chloramphenicol; Chromosome Mapping; Crosses, Genetic; Culture Media; Escherichia coli; Genetics, Microbial; Leucine; Mutagens; Mutation; Nitrosoguanidines; Phenotype; Phenylalanine; RNA, Bacterial; RNA, Ribosomal; RNA, Transfer; Sucrose; Temperature; Tritium; Uracil; Uridine | 1971 |
Isolation and partial characterization of temperature-sensitive Escherichia coli mutants with altered leucyl- and seryl-transfer ribonucleic acid synthetases.
Topics: Acylation; Amino Acids; Amino Acyl-tRNA Synthetases; Carbon Isotopes; Cell-Free System; Chromosome Mapping; Crosses, Genetic; Culture Media; Enzyme Repression; Escherichia coli; Genetics, Microbial; Immune Sera; Isoleucine; Leucine; Mutagens; Mutation; Nitrosoguanidines; Serine; Temperature; Transduction, Genetic; Valine | 1971 |
Mutants of Escherichia coli unable to make protein at 42 C.
Topics: Agar; Amino Acyl-tRNA Synthetases; Bacterial Proteins; Carbon Isotopes; Cell-Free System; Chromosome Mapping; Conjugation, Genetic; Culture Media; DNA, Bacterial; Escherichia coli; Genes; Glutamates; Hot Temperature; Leucine; Mutagens; Mutation; Nitrosoguanidines; Phenylalanine; RNA, Bacterial; Thymidine; Transduction, Genetic; Tritium; Uracil; Valine | 1971 |
Escherichia coli K-12 mutants altered in the transport of branched-chain amino acids.
Topics: Amino Acids; Biological Transport, Active; Carbon Isotopes; Chromosome Mapping; Culture Media; Dipeptides; Escherichia coli; Hydro-Lyases; Isoleucine; Leucine; Mutagens; Mutation; Nitrosoguanidines; Threonine; Transduction, Genetic; Ultraviolet Rays; Valine | 1971 |
Modification of alkylating agent-induced mutation frequencies in Bacillus subtilis.
Topics: Agar; Alkanes; Alkylating Agents; Bacillus subtilis; Bacteriological Techniques; Culture Media; Genetics, Microbial; Guanidines; Histidine; Leucine; Mutagens; Mutation; Nitroso Compounds; Nitrosoguanidines | 1971 |
Selective and nonselective isolation of temperature-sensitive mutants of mouse L-cells and their characterization.
Topics: Animals; Cell Survival; Clone Cells; Cytarabine; Cytosine; L Cells; Leucine; Methods; Mice; Mutation; Nitrosoguanidines; Phenotype; Selection, Genetic; Temperature; Thymidine; Time Factors; Tritium; Uracil | 1971 |
Bacillus subtilis lon protease prevents inappropriate transcription of genes under the control of the sporulation transcription factor sigma G.
Topics: Alleles; ATP-Dependent Proteases; Bacillus subtilis; Bacterial Proteins; Chromosome Mapping; Chromosome Walking; DNA-Directed RNA Polymerases; Gene Expression Regulation, Bacterial; Heat-Shock Proteins; Leucine; Mutagenesis, Insertional; Mutagens; Mutation; Nitrosoguanidines; Operon; Serine Endopeptidases; Sigma Factor; Spores, Bacterial; Transcription Factors; Transcription, Genetic | 1994 |