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Article

Rhizobium meliloti suhR suppresses the phenotype of an Escherichia coli RNA polymerase sigma 32 mutant.

Journal of bacteriology - 1 Jul 1990

Bent A F, Signer E R

Abstract excerpt

sigma 32, the product of the Escherichia coli rpoH locus, is an alternative RNA polymerase sigma factor utilized to express heat shock genes upon a sudden rise in temperature. E. coli K165 [rpoH165(Am) supC(Ts)] is temperature sensitive for growth and does not induce heat shock protein synthesis. We have isolated a locus from Rhizobium meliloti called suhR that allows E. coli K165 to grow at high temperature and...

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Identifiers

PMID: 2113906
DOI: 10.1128/jb.172.7.3559-3568.1990
PMCID: PMC213328

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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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Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

Rhizobium meliloti suhR suppresses the phenotype of an Escherichia coli RNA polymerase sigma 32 mutant.PMID 2113906Read ↗

Identification of the heat-shock sigma factor RpoH and a second RpoH-like protein in Sinorhizobium meliloti.Semantic proximity Read ↗

Activity of Rhodobacter sphaeroides RpoHII, a second member of the heat shock sigma factor family.Semantic proximity Read ↗

Two RpoH homologs responsible for the expression of heat shock protein genes in Sinorhizobium meliloti.Semantic proximity Read ↗

A mutation that enhances synthesis of sigma 32 and suppresses temperature-sensitive growth of the rpoH15 mutant of Escherichia coli.Semantic proximity Read ↗

Three disparately regulated genes for sigma 32-like transcription factors in Bradyrhizobium japonicum.Semantic proximity Read ↗

The Bradyrhizobium japonicum rpoH1 gene encoding a sigma 32-like protein is part of a unique heat shock gene cluster together with groESL1 and three small heat shock genes.Semantic proximity Read ↗

The bacteriophage T4 gene mrh whose product inhibits late T4 gene expression in an Escherichia coli rpoH (sigma 32) mutant.Semantic proximity Read ↗

A mutant sigma 32 with a small deletion in conserved region 3 of sigma has reduced affinity for core RNA polymerase.Semantic proximity Read ↗

The rpoE gene encoding the sigma E (sigma 24) heat shock sigma factor of Escherichia coli.Semantic proximity Read ↗

A Sinorhizobium meliloti RpoH-Regulated Gene Is Involved in Iron-Sulfur Protein Metabolism and Effective Plant Symbiosis under Intrinsic Iron Limitation.Semantic proximity Read ↗

Metabolic roles of a Rhodobacter sphaeroides member of the sigma32 family.Semantic proximity Read ↗

Multiple regions on the Escherichia coli heat shock transcription factor sigma32 determine core RNA polymerase binding specificity.Semantic proximity Read ↗

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