Abstract
In cells of E.coli K12 grown exponentially in minimal medium, tRNA(met), tRNA(leu) and tRNA(ile) are aminoacylated at 100%, 80% and 64%, respectively. On addition of L-methioninyl adenylate to the growth medium, one observes a specific deacylation of tRNA(met). When more than 35% of tRNA(met) is deacylated, growth rate is reduced and becomes proportional to the amount of methionyl-tRNA formed.
MeSH Terms
Adenosine Monophosphate/analogs & derivatives,pharmacology
Escherichia coli/drug effects,growth & development,metabolism
Methionine/analogs & derivatives,pharmacology
RNA, Bacterial/metabolism
RNA, Transfer, Amino Acyl/metabolism
RNA, Transfer, Ile/metabolism
RNA, Transfer, Leu/metabolism
RNA, Transfer, Met/metabolism
Chemicals
RNA, Bacterial
RNA, Transfer, Amino Acyl
RNA, Transfer, Ile
RNA, Transfer, Leu
RNA, Transfer, Met
methioninyl adenylate
Adenosine Monophosphate
Methionine
Authors & Affiliations
2 authors, click to expand affiliations / ORCID
Cassio D
Mathien Y
References (10)
10 references, click to expand
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