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Article

Heat-shock proteins can substitute for SecB function during protein export in Escherichia coli.

The EMBO journal - 1 Feb 1991

Altman E, Kumamoto C A, Emr S D

Abstract excerpt

In this study we have shown that (i) induction of the heat-shock response can substitute for SecB function in Escherichia coli, (ii) SecB itself is not a heat-shock protein and (iii) a basal level of heat-shock proteins is required for cells to grow in the absence of a functional SecB protein. Overproduction of DnaK, or GroEL/ES, which were candidates for the heat-shock proteins that could substitute for SecB...

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Identifiers

PMID: 1671351
DOI: 10.1002/j.1460-2075.1991.tb07943.x
PMCID: PMC452639

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

Source receipt: pubmed, retrieved 7 Sept 2026.

Related research

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Research trail→

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Heat-shock proteins can substitute for SecB function during protein export in Escherichia coli.PMID 1671351Read ↗

DnaK and DnaJ heat shock proteins participate in protein export in Escherichia coli.Semantic proximity Read ↗

Accumulation of secretory protein precursors in Escherichia coli induces the heat shock response.Semantic proximity Read ↗

SecG is an auxiliary component of the protein export apparatus of Escherichia coli.Semantic proximity Read ↗

Trigger Factor can antagonize both SecB and DnaK/DnaJ chaperone functions in Escherichia coli.Semantic proximity Read ↗

Two alternative binding mechanisms connect the protein translocation Sec71-Sec72 complex with heat shock proteins.Semantic proximity Read ↗

SecD and SecF facilitate protein export in Escherichia coli.Semantic proximity Read ↗

Defining the role of the Escherichia coli chaperone SecB using comparative proteomics.Semantic proximity Read ↗

Identification of FkpA as a key quality control factor for the biogenesis of outer membrane proteins under heat shock conditions.Semantic proximity Read ↗

Genetic analysis of SecY: additional export-defective mutations and factors affecting their phenotypes.Semantic proximity Read ↗

DnaK, DnaJ, and GrpE heat shock proteins negatively regulate heat shock gene expression by controlling the synthesis and stability of sigma 32.Semantic proximity Read ↗

Physiological basis for conservation of the signal recognition particle targeting pathway in Escherichia coli.Semantic proximity Read ↗

DnaK chaperone machine and trigger factor are only partially required for normal growth of Bacillus subtilis.Semantic proximity Read ↗

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