RRC ID 29988
著者 Low B, Gates F, Goldstein T, Söll D.
タイトル Isolation and partial characterization of temperature-sensitive Escherichia coli mutants with altered leucyl- and seryl-transfer ribonucleic acid synthetases.
ジャーナル J Bacteriol
Abstract Two temperature-sensitive mutants of Escherichia coli have been found in which the conditional growth is a result of a thermosensitive leucyl-transfer ribonucleic acid (tRNA) synthetase and seryl-tRNA synthetase, respectively. The corresponding genetic loci, leuS and serS, cotransduce with lip and serC, respectively. As a result of the mutationally altered leucyl-tRNA synthetase, some leucine-, valine-, and isoleucine-forming enzymes were derepressed. Thus, leucyl-tRNA synthetase is involved in the repression of the enzymes needed for the synthesis of branched-chain amino acids.
巻・号 108(2)
ページ 742-50
公開日 1971-11-1
DOI 10.1128/jb.108.2.742-750.1971
PMID 4942762
PMC PMC247134
MeSH Acylation Amino Acids / metabolism Amino Acyl-tRNA Synthetases / metabolism* Carbon Isotopes Cell-Free System Chromosome Mapping Crosses, Genetic Culture Media Enzyme Repression Escherichia coli / enzymology* Escherichia coli / growth & development Escherichia coli / isolation & purification Escherichia coli / metabolism Genetics, Microbial* Immune Sera Isoleucine / biosynthesis Leucine / biosynthesis Mutagens Mutation* Nitrosoguanidines Serine Temperature* Transduction, Genetic Valine / biosynthesis
IF 3.006
リソース情報
原核生物(大腸菌) ME5398 ME8778