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Article

Genetic studies of cleavage-initiated mRNA decay and processing of ribosomal 9S RNA show that the Escherichia coli ams and rne loci are the same.

Molecular microbiology - 1 Apr 1991

Melefors O, von Gabain A

Abstract excerpt

We show in the present paper that the cleavages initiating decay of the ompA mRNA are suppressed both in the Escherichia coli ams(ts) strain (originally defined by a prolonged bulk mRNA half-life) and in the me(ts) strain (originally defined by aberrant 9S RNA processing). The temperature-sensitive defects of both these strains are complemented by a recombinant lambda phage containing a genomic segment that...

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Identifiers

PMID: 1713283
DOI: 10.1111/j.1365-2958.1991.tb00759.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

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Genetic studies of cleavage-initiated mRNA decay and processing of ribosomal 9S RNA show that the Escherichia coli ams and rne loci are the same.PMID 1713283Read ↗

The Ams (altered mRNA stability) protein and ribonuclease E are encoded by the same structural gene of Escherichia coli.Semantic proximity Read ↗

Cleavages in the 5' region of the ompA and bla mRNA control stability: studies with an E. coli mutant altering mRNA stability and a novel endoribonuclease.Semantic proximity Read ↗

RNase E, an endoribonuclease, has a general role in the chemical decay of Escherichia coli mRNA: evidence that rne and ams are the same genetic locus.Semantic proximity Read ↗

The ams-1 and rne-3071 temperature-sensitive mutations in the ams gene are in close proximity to each other and cause substitutions within a domain that resembles a product of the Escherichia coli mre locus.Semantic proximity Read ↗

Maturation of precursor 10Sa RNA in Escherichia coli is a two-step process: the first reaction is catalyzed by RNase III in presence of Mn2+.Semantic proximity Read ↗

Turnover of mRNAs is one of the essential functions of RNase E.Semantic proximity Read ↗

Evidence for an RNA binding region in the Escherichia coli processing endoribonuclease RNase E.Semantic proximity Read ↗

Intragenic suppressors of temperature-sensitive rne mutations lead to the dissociation of RNase E activity on mRNA and tRNA substrates in Escherichia coli.Semantic proximity Read ↗

The gene specifying RNase E (rne) and a gene affecting mRNA stability (ams) are the same gene.Semantic proximity Read ↗

Structural requirements for the processing of Escherichia coli 5 S ribosomal RNA by RNase E in vitro.Semantic proximity Read ↗

Initiation of tRNA maturation by RNase E is essential for cell viability in E. coli.Semantic proximity Read ↗

Exoribonuclease R in Pseudomonas syringae is essential for growth at low temperature and plays a novel role in the 3' end processing of 16 and 5 S ribosomal RNA.Semantic proximity Read ↗

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