Published in Proc Natl Acad Sci U S A on May 01, 1974
Linkage map of Salmonella typhimurium, edition V. Microbiol Rev (1978) 6.81
Histidine regulation in Salmonella typhimurium: an activator attenuator model of gene regulation. Proc Natl Acad Sci U S A (1975) 3.06
Guanosine 5'-diphosphate 3'-diphosphate (ppGpp): positive effector for histidine operon transcription and general signal for amino-acid deficiency. Proc Natl Acad Sci U S A (1975) 3.05
Regulation of histidine operon does not require hisG enzyme. Proc Natl Acad Sci U S A (1975) 2.02
Structural analysis of the Escherichia coli K-12 hisT operon by using a kanamycin resistance cassette. J Bacteriol (1987) 1.97
Biochemical and regulatory properties of Escherichia coli K-12 hisT mutants. J Bacteriol (1977) 1.69
Pleiotropic effects induced by modification deficiency next to the anticodon of tRNA from Salmonella typhimurium LT2. J Bacteriol (1986) 1.50
Effects of the hisT mutation of Salmonella typhimurium on translation elongation rate. J Bacteriol (1983) 1.48
Nucleotide sequence of the ilvB multivalent attenuator region of Escherichia coli K12. Nucleic Acids Res (1983) 1.40
Biochemical characterization of an Escherichia coli hisT strain. J Bacteriol (1977) 1.38
Pseudouridine modification of U5 RNA in ribonucleoprotein particles assembled in vitro. Mol Cell Biol (1991) 1.36
The conserved Cys-X1-X2-Cys motif present in the TtcA protein is required for the thiolation of cytidine in position 32 of tRNA from Salmonella enterica serovar Typhimurium. J Bacteriol (2004) 1.34
hisT is part of a multigene operon in Escherichia coli K-12. J Bacteriol (1985) 1.28
Isolation of the gene (miaE) encoding the hydroxylase involved in the synthesis of 2-methylthio-cis-ribozeatin in tRNA of Salmonella typhimurium and characterization of mutants. J Bacteriol (1993) 1.14
Differential utilization of leucyl-tRNAs by Escherichia coli. Proc Natl Acad Sci U S A (1977) 1.12
Site-specific creation of uridine from cytidine in apolipoprotein B mRNA editing. Nucleic Acids Res (1991) 1.09
1-Methylguanosine deficiency of tRNA influences cognate codon interaction and metabolism in Salmonella typhimurium. J Bacteriol (1995) 1.09
Post-transcriptional modifications of the anticodon loop region: alterations in isoaccepting species of tRNA's during development in Bacillus subtilis. J Bacteriol (1978) 1.07
The methylthio group (ms2) of N6-(4-hydroxyisopentenyl)-2-methylthioadenosine (ms2io6A) present next to the anticodon contributes to the decoding efficiency of the tRNA. J Bacteriol (1995) 1.06
Thionucleosides in transfer ribonucleic acid: diversity, structure, biosynthesis, and function. Microbiol Rev (1988) 1.06
Threonine deaminase from Escherichia coli: feedback-hypersensitive enzyme from a genetic regulatory mutant. J Bacteriol (1976) 1.05
Branched-chain amino acid transport regulation in mutants blocked in tRNA maturation and transcriptional termination. J Bacteriol (1978) 1.03
Comparison of rat liver and Walker 256 carcinosarcoma tRNAs. Nucleic Acids Res (1979) 1.03
The methyl group of the N6-methyl-N6-threonylcarbamoyladenosine in tRNA of Escherichia coli modestly improves the efficiency of the tRNA. J Bacteriol (1998) 1.00
Relationship between messenger ribonucleic acid and enzyme levels specified by the leucine operon of Escherichia coli K-12. J Bacteriol (1977) 1.00
Biosynthesis of tRNA in histidine regulatory mutants of Salmonella typhimurium. Nucleic Acids Res (1977) 0.97
Purification of pseudouridylate synthetase I from Salmonella typhimurium. Nucleic Acids Res (1978) 0.96
The nucleotide sequence of phenylalanine tRNA2 of Drosophila melanogaster: four isoacceptors with one basic sequence. Nucleic Acids Res (1979) 0.95
A new locus (leuK) affecting the regulation of branched-chain amino acid, histidine, and tryptophan biosynthetic enzymes. J Bacteriol (1978) 0.95
Reduced leu operon expression in a miaA mutant of Salmonella typhimurium. J Bacteriol (1988) 0.92
Altered regulation of isoleucine-valine biosynthesis in a hisW mutant of Salmonella typhimurium. J Bacteriol (1982) 0.86
Escherichia coli B/r leuK mutant lacking pseudouridine synthase I activity. J Bacteriol (1986) 0.86
Procedure for C2 deuteration of nucleic acids and determination of A psi 31 pseudouridine conformation by nuclear Overhauser effect in yeast tRNAPhe. Nucleic Acids Res (1982) 0.83
Altered growth-rate-dependent regulation of 6-phosphogluconate dehydrogenase level in hisT mutants of Salmonella typhimurium and Escherichia coli. J Bacteriol (1990) 0.83
Nuclear magnetic resonance studies on yeast tRNAPhe. II. Assignment of the iminoproton resonances of the anticodon and T stem by means of nuclear Overhauser effect experiments at 500 MHz. Nucleic Acids Res (1983) 0.82
NMR spectroscopy of the ring nitrogen protons of uracil and substituted uracils; relevance to A psi base pairing in the solution structure of transfer RNA. Nucleic Acids Res (1977) 0.82
Interaction between phosphoribosyltransferase and purified histidine tRNA from wild type Salmonella typhimurium and a derepressed hisT mutant strain. Nucleic Acids Res (1975) 0.80
Nucleotide composition analysis of tRNA from leukemia patient cell samples and human cell lines. Nucleic Acids Res (1975) 0.80
Repression of the tyrosine, lysine, and methionine biosynthetic pathways in a hisT mutant of Salmonella typhimurium. J Bacteriol (1977) 0.79
Genetically determined differences in concentrations of isoaccepting tRNAs in Escherichia coli. Nucleic Acids Res (1977) 0.77
Synthesis and activities of branched-chain aminoacyl-tRNA synthetases in threonine deaminase mutants of Escherichia coli. J Bacteriol (1978) 0.77
Point mutations in the regulatory region of the ilvGMEDA operon of Escherichia coli K-12. J Bacteriol (1989) 0.76
Protein measurement with the Folin phenol reagent. J Biol Chem (1951) 1743.91
Acetylornithinase of Escherichia coli: partial purification and some properties. J Biol Chem (1956) 93.84
Mutants of Escherichia coli requiring methionine or vitamin B12. J Bacteriol (1950) 88.88
Studies on lysogenesis. I. The mode of phage liberation by lysogenic Escherichia coli. J Bacteriol (1951) 28.27
Roles of amino acid activating enzymes in cellular physiology. Bacteriol Rev (1966) 7.00
Histidine regulatory mutants in Salmonella typhimurium. I. Isolation and general properties. J Mol Biol (1966) 6.49
Improved separation of transfer RNA's on polychlorotrifuoroethylene-supported reversed-phase chromatography columns. Biochim Biophys Acta (1971) 6.49
Histidine regulatory mutants in Salmonella typhimurium II. Histidine regulatory mutants having altered histidyl-tRNA synthetase. J Mol Biol (1966) 4.15
Role modifications in tyrosine transfer RNA: a modified base affecting ribosome binding. J Mol Biol (1969) 4.01
ROLE OF VALYL-SRNA SYNTHETASE IN ENZYME REPRESSION. Proc Natl Acad Sci U S A (1965) 3.82
Separation of transfer ribonucleic acids by reverse phase chromatography. J Biol Chem (1965) 3.80
Isoleucine and valine metabolism of Escherichia coli. XV. Biochemical properties of mutants resistant to thiaisoleucine. J Bacteriol (1968) 3.70
Histidine regulation in Salmonella typhimurium. XI. The percentage of transfer RNA His charged in vivo and its relation to the repression of the histidine operon. J Mol Biol (1972) 3.60
[Mutant tRNA His ineffective in repression and lacking two pseudouridine modifications]. Nat New Biol (1972) 3.57
THE BIOSYNTHESIS OF LEUCINE. III. THE CONVERSION OF ALPHA-HYDROXY-BETA-CARBOXYISOCAPROATE TO ALPHA-KETOISOCAPROATE. Biochemistry (1964) 3.38
THE BIOSYNTHESIS OF LEUCINE. II. THE ENZYMIC ISOMERIZATION OF BETA-CARBOXY-BETA-HYDROXYISOCAPROATE AND ALPHA-HYDROXY-BETA-CARBOXYISOCAPROATE. Biochemistry (1964) 3.30
Isoleucine and valine metabolism of Escherichia coli. XIV. Effect of thiaisoleucine. J Bacteriol (1968) 2.98
Regulation of branched-chain amino acid biosynthesis in Salmonella typhimurium: isolation of regulatory mutants. J Bacteriol (1969) 2.88
Biochemical and genetic characterization of a mutant of Escherichia coli with a temperature-sensitive valyl ribonucleic acid synthetase. J Bacteriol (1966) 2.79
Isolation and partial characterization of temperature-sensitive Escherichia coli mutants with altered leucyl- and seryl-transfer ribonucleic acid synthetases. J Bacteriol (1971) 2.38
Biosynthesis of pseudouridine in transfer ribonucleic acid. J Biol Chem (1974) 2.36
Isoleucine auxotrophy as a consequence of a mutationally altered isoleucyl-transfer ribonucleic acid synthetase. J Bacteriol (1971) 2.23
Illicit transport: the oligopeptide permease. Proc Natl Acad Sci U S A (1973) 2.22
Mutants of Salmonella typhimurium with an altered leucyl-transfer ribonucleic acid synthetase. J Bacteriol (1971) 2.19
Specific binding of leucyl transfer RNA to an immature form of L-threonine deaminase: its implications in repression. Proc Natl Acad Sci U S A (1970) 2.18
Isoleucine and valine metabolism in Escherichia coli. XX. Multiple forms of acetohydroxy acid synthetase. Biochem Biophys Res Commun (1972) 2.07
Histidine regulation in Salmonella typhimurium. IX. Histidine transfer ribonucleic acid of the regulatory mutants. J Biol Chem (1972) 2.04
The sequence of nucleotides in tRNA Ile from E. coli B. Biochem Biophys Res Commun (1971) 1.89
Nucleotide sequence of E. coli B tRNA1-Val. Nature (1969) 1.71
Histidine regulation in Salmonella typhimurium. 8. Mutations of the hisT gene. J Bacteriol (1971) 1.67
Presumed anticodon structure of glutamic acid tRNA from E. coli: a possible location of a 2-thiouridine derivative in the first position of the anticodon. Biochem Biophys Res Commun (1970) 1.60
Purification and characterization of AUA specific isoleucine transfer ribonucleic acid from Escherichia coli B. Biochemistry (1974) 1.46
Autoregulation: a role for a biosynthetic enzyme in the control of gene expression. Proc Natl Acad Sci U S A (1973) 1.29
Histidine regulation in salmonella typhimurium. XIV. Interaction of the histidyl transfer ribonucleic acid synthetase with histidine transfer ribonucleic acid. J Biol Chem (1972) 1.11
Leucine tRNA(1) from HisT mutant of Salmonella typhimurium lacks two pseudouridines. FEBS Lett (1972) 1.08
Transfer RNA: change of conformation upon aminoacylation determined by Raman spectroscopy. Biochem Biophys Res Commun (1973) 1.00
Evidence that the majority of leucine transfer ribonucleic acid is not involved in repression in Salmonella typhimurium. J Bacteriol (1971) 1.00
Effect of cyclopentaneglycine on metabolism in Salmonella typhimurium. J Bacteriol (1972) 0.98
pEMBL: a new family of single stranded plasmids. Nucleic Acids Res (1983) 19.19
Methods for detecting carcinogens and mutagens with the Salmonella/mammalian-microsome mutagenicity test. Mutat Res (1975) 17.12
Positive selection for loss of tetracycline resistance. J Bacteriol (1980) 15.79
Positive control of a regulon for defenses against oxidative stress and some heat-shock proteins in Salmonella typhimurium. Cell (1985) 12.51
Revised methods for the Salmonella mutagenicity test. Mutat Res (1983) 11.60
Bilirubin is an antioxidant of possible physiological importance. Science (1987) 11.26
The free radical theory of aging matures. Physiol Rev (1998) 9.83
Dietary carcinogens and anticarcinogens. Oxygen radicals and degenerative diseases. Science (1983) 9.38
Carcinogens are mutagens: a simple test system combining liver homogenates for activation and bacteria for detection. Proc Natl Acad Sci U S A (1973) 9.09
Detection of carcinogens as mutagens in the Salmonella/microsome test: assay of 300 chemicals. Proc Natl Acad Sci U S A (1975) 8.66
An improved bacterial test system for the detection and classification of mutagens and carcinogens. Proc Natl Acad Sci U S A (1973) 8.45
Uric acid provides an antioxidant defense in humans against oxidant- and radical-caused aging and cancer: a hypothesis. Proc Natl Acad Sci U S A (1981) 8.45
Procedure for identifying nonsense mutations. J Bacteriol (1968) 8.16
Localized mutagenesis of any specific small region of the bacterial chromosome. Proc Natl Acad Sci U S A (1971) 7.98
A fast and simple method for sequencing DNA cloned in the single-stranded bacteriophage M13. J Mol Biol (1979) 7.73
A Series of Histidineless Mutants of Neurospora Crassa. Genetics (1952) 7.20
Amino acid biosynthesis and its regulation. Annu Rev Biochem (1978) 7.13
Classification of aminotransferase (C gene) mutants in the histidine operon. J Mol Biol (1966) 6.92
Oxidative damage and mitochondrial decay in aging. Proc Natl Acad Sci U S A (1994) 6.84
Complete analysis of cellular nucleotides by two-dimensional thin layer chromatography. J Biol Chem (1982) 6.69
Frameshift mutagenesis in Salmonella. Cold Spring Harb Symp Quant Biol (1966) 6.53
Compounds which serve as the sole source of carbon or nitrogen for Salmonella typhimurium LT-2. J Bacteriol (1969) 5.99
Iron uptake in Salmonella typhimurium: utilization of exogenous siderochromes as iron carriers. J Bacteriol (1972) 5.77
Transcriptional regulator of oxidative stress-inducible genes: direct activation by oxidation. Science (1990) 5.53
Normal oxidative damage to mitochondrial and nuclear DNA is extensive. Proc Natl Acad Sci U S A (1988) 5.52
Detection of carcinogens as mutagens: bacterial tester strains with R factor plasmids. Proc Natl Acad Sci U S A (1975) 5.51
Hydrogen peroxide-inducible proteins in Salmonella typhimurium overlap with heat shock and other stress proteins. Proc Natl Acad Sci U S A (1986) 5.29
Transport of antibiotics and metabolite analogs by systems under cyclic AMP control: positive selection of Salmonella typhimurium cya and crp mutants. J Bacteriol (1978) 4.91
A novel method for site-directed mutagenesis: its application to an eukaryotic tRNAPro gene promoter. EMBO J (1982) 4.67
IL-6DBP, a nuclear protein involved in interleukin-6 signal transduction, defines a new family of leucine zipper proteins related to C/EBP. Cell (1990) 4.58
Oxygen radicals and human disease. Ann Intern Med (1987) 4.57
Iron transport in Salmonella typhimurium: mutants blocked in the biosynthesis of enterobactin. J Bacteriol (1970) 4.44
Folate deficiency causes uracil misincorporation into human DNA and chromosome breakage: implications for cancer and neuronal damage. Proc Natl Acad Sci U S A (1997) 4.38
Histidine regulatory mutants in Salmonella typhimurium II. Histidine regulatory mutants having altered histidyl-tRNA synthetase. J Mol Biol (1966) 4.15
A general method to select for M13 clones carrying base pair substitution mutants constructed in vitro. Nucleic Acids Res (1983) 4.14
Oxidative damage to DNA during aging: 8-hydroxy-2'-deoxyguanosine in rat organ DNA and urine. Proc Natl Acad Sci U S A (1990) 4.06
Ascorbate is an outstanding antioxidant in human blood plasma. Proc Natl Acad Sci U S A (1989) 4.02
Oxidative decay of DNA. J Biol Chem (1997) 3.94
Histidine regulatory mutants in Salmonella typhimurium 3. A class of regulatory mutants deficient in tRNA for histidine. J Mol Biol (1966) 3.80
OxyR, a positive regulator of hydrogen peroxide-inducible genes in Escherichia coli and Salmonella typhimurium, is homologous to a family of bacterial regulatory proteins. Proc Natl Acad Sci U S A (1989) 3.77
An alkyl hydroperoxide reductase from Salmonella typhimurium involved in the defense of DNA against oxidative damage. Purification and properties. J Biol Chem (1989) 3.74
Isoleucine and valine metabolism of Escherichia coli. XV. Biochemical properties of mutants resistant to thiaisoleucine. J Bacteriol (1968) 3.70
AppppA, heat-shock stress, and cell oxidation. Proc Natl Acad Sci U S A (1983) 3.68
Carcinogens as frameshift mutagens: metabolites and derivatives of 2-acetylaminofluorene and other aromatic amine carcinogens. Proc Natl Acad Sci U S A (1972) 3.61
Histidine regulation in Salmonella typhimurium. XI. The percentage of transfer RNA His charged in vivo and its relation to the repression of the histidine operon. J Mol Biol (1972) 3.60
[Mutant tRNA His ineffective in repression and lacking two pseudouridine modifications]. Nat New Biol (1972) 3.57
The liver-specific transcription factor LF-B1 contains a highly diverged homeobox DNA binding domain. Cell (1989) 3.51
Detection of carcinogens as mutagens in the Salmonella/microsome test: assay of 300 chemicals: discussion. Proc Natl Acad Sci U S A (1976) 3.46
The leader mRNA of the histidine attenuator region resembles tRNAHis: possible general regulatory implications. Proc Natl Acad Sci U S A (1983) 3.43
Antioxidant defenses and lipid peroxidation in human blood plasma. Proc Natl Acad Sci U S A (1988) 3.42
Epoxides of carcinogenic polycyclic hydrocarbons are frameshift mutagens. Science (1972) 3.42
Adenosine 3':5'-cyclic monophosphate concentration in the bacterial host regulates the viral decision between lysogeny and lysis. Proc Natl Acad Sci U S A (1971) 3.39
Positive selection of mutants with deletions of the gal-chl region of the Salmonella chromosome as a screening procedure for mutagens that cause deletions. J Bacteriol (1975) 3.37
An alkyl hydroperoxide reductase induced by oxidative stress in Salmonella typhimurium and Escherichia coli: genetic characterization and cloning of ahp. J Bacteriol (1989) 3.37
Antioxidant activity of albumin-bound bilirubin. Proc Natl Acad Sci U S A (1987) 3.35
AppppA and related adenylylated nucleotides are synthesized as a consequence of oxidation stress. Cell (1984) 3.25
Isoleucine and valine metabolism of Escherichia coli. XVI. Pattern of multivalent repression in strain K-12. J Bacteriol (1968) 3.15
Two different liver-specific factors stimulate in vitro transcription from the human alpha 1-antitrypsin promoter. EMBO J (1988) 3.14
Biomarkers of oxidative stress study II: are oxidation products of lipids, proteins, and DNA markers of CCl4 poisoning? Free Radic Biol Med (2005) 3.13
Expression of the leucine operon. J Bacteriol (1966) 3.12
Regulation of nonspecific acid phosphatase in Salmonella: phoN and phoP genes. J Bacteriol (1979) 3.09
Order and intracellular location of the events involved in the maturation of a spliced tRNA. Nature (1980) 3.07
Guanosine 5'-diphosphate 3'-diphosphate (ppGpp): positive effector for histidine operon transcription and general signal for amino-acid deficiency. Proc Natl Acad Sci U S A (1975) 3.05
Cell-specific expression of a transfected human alpha 1-antitrypsin gene. Cell (1985) 2.99
Isoleucine and valine metabolism of Escherichia coli. XIV. Effect of thiaisoleucine. J Bacteriol (1968) 2.98
Common and interchangeable elements in the promoters of genes transcribed by RNA polymerase iii. Cell (1983) 2.94
Urinary 8-hydroxy-2'-deoxyguanosine as a biological marker of in vivo oxidative DNA damage. Proc Natl Acad Sci U S A (1989) 2.92
Cloning of nematode tRNA genes and their expression in the frog oocyte. Nucleic Acids Res (1978) 2.91
gamma-tocopherol, the major form of vitamin E in the US diet, deserves more attention. Am J Clin Nutr (2001) 2.91
Promoter of a eukaryotic tRNAPro gene is composed of three noncontiguous regions. Proc Natl Acad Sci U S A (1982) 2.91
Bacterial defenses against oxidative stress. Trends Genet (1990) 2.89
Oxidative DNA damage and senescence of human diploid fibroblast cells. Proc Natl Acad Sci U S A (1995) 2.89
Regulation of branched-chain amino acid biosynthesis in Salmonella typhimurium: isolation of regulatory mutants. J Bacteriol (1969) 2.88
Regulation of amino acid metabolism. Annu Rev Biochem (1969) 2.88
Detection of picomole levels of hydroperoxides using a fluorescent dichlorofluorescein assay. Anal Biochem (1983) 2.85
Thymine glycol and thymidine glycol in human and rat urine: a possible assay for oxidative DNA damage. Proc Natl Acad Sci U S A (1984) 2.82
Polarity and the regulation of the ilv gene cluster in Escherichia coli strain K-12. Mol Gen Genet (1976) 2.78
Transcription of tRNA genes in vivo: single-stranded compared to double-stranded templates. Proc Natl Acad Sci U S A (1980) 2.73
Cis- and trans-acting elements responsible for the cell-specific expression of the human alpha 1-antitrypsin gene. EMBO J (1987) 2.69
Clinical predictors of obstructive sleep apnea. Laryngoscope (1999) 2.68
Regulation of two phosphatases and a cyclic phosphodiesterase of Salmonella typhimurium. J Bacteriol (1977) 2.68
A new Salmonella tester strain (TA102) with A X T base pairs at the site of mutation detects oxidative mutagens. Proc Natl Acad Sci U S A (1982) 2.67
Transcription by RNA polymerase III. Curr Top Dev Biol (1983) 2.63
Oxidative damage to DNA: relation to species metabolic rate and life span. Proc Natl Acad Sci U S A (1988) 2.62
Nucleotide sequence of ilvGEDA operon attenuator region of Escherichia coli. Proc Natl Acad Sci U S A (1980) 2.61
Purification of a NF1-like DNA-binding protein from rat liver and cloning of the corresponding cDNA. EMBO J (1988) 2.60
Structure of the human alpha 1-acid glycoprotein gene: sequence homology with other human acute phase protein genes. Nucleic Acids Res (1985) 2.59
Senescence-like growth arrest induced by hydrogen peroxide in human diploid fibroblast F65 cells. Proc Natl Acad Sci U S A (1994) 2.55
Hair dyes are mutagenic: identification of a variety of mutagenic ingredients. Proc Natl Acad Sci U S A (1975) 2.55
Identification and molecular analysis of oxyR-regulated promoters important for the bacterial adaptation to oxidative stress. J Mol Biol (1989) 2.52
Spontaneous mutagenesis and oxidative damage to DNA in Salmonella typhimurium. Proc Natl Acad Sci U S A (1987) 2.51
Mode of action of the herbicide, 3-amino-1,2,4-triazole(amitrole): inhibition of an enzyme of histidine biosynthesis. Arch Biochem Biophys (1965) 2.46
Molecular analysis of H2O2-induced senescent-like growth arrest in normal human fibroblasts: p53 and Rb control G1 arrest but not cell replication. Biochem J (1998) 2.41
Recombinant interleukin 6 regulates the transcriptional activation of a set of human acute phase genes. J Biol Chem (1988) 2.40
Two distinct factors interact with the promoter regions of several liver-specific genes. EMBO J (1988) 2.36
Biosynthesis of pseudouridine in transfer ribonucleic acid. J Biol Chem (1974) 2.36
Effect of the alpha-hydrazino analogue of histidine on histidine transport and arginine biosynthesis. J Biol Chem (1966) 2.35
Regulation of isoleucine-valine biosynthesis in an ilvDAC deletion strain of Escherichia coli K-12. Biochem Biophys Res Commun (1974) 2.35