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Article

Molecular characterization of the Enterobacter aerogenes tonB gene: identification of a novel type of tonB box suppressor mutant.

Journal of bacteriology - 1 Oct 1993

Bruske A K, Heller K J

Abstract excerpt

The tonB gene of Enterobacter aerogenes was cloned, sequenced, and expressed in Escherichia coli. It complemented an E. coli tonB mutant as efficiently as E. coli tonB, except for colicin B and D sensitivities. However, colicin B and D sensitivities were complemented by a derivative in which the aspartate at position 165 was replaced by a glutamine (TonBD-165-->Q) by site-directed mutagenesis. In E. coli, the...

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Identifiers

PMID: 8407788
DOI: 10.1128/jb.175.19.6158-6168.1993
PMCID: PMC206710

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Molecular characterization of the Enterobacter aerogenes tonB gene: identification of a novel type of tonB box suppressor mutant.PMID 8407788Read ↗

Genetic suppression demonstrates interaction of TonB protein with outer membrane transport proteins in Escherichia coli.Semantic proximity Read ↗

The wild-type allele of tonB in Escherichia coli is dominant over the tonB1 allele, encoding TonBQ160K, which suppresses the btuB451 mutation.Semantic proximity Read ↗

Functional Diversity of TonB-Like Proteins in the Heterocyst-Forming Cyanobacterium Anabaena sp. PCC 7120.Semantic proximity Read ↗

Structure-function analysis of the vitamin B12 receptor of Escherichia coli by means of informational suppression.Semantic proximity Read ↗

Import-defective colicin B derivatives mutated in the TonB box.Semantic proximity Read ↗

Molecular characterization of the TonB2 protein from the fish pathogen Vibrio anguillarum.Semantic proximity Read ↗

Identification of essential arginine residues of Escherichia coli DedA/Tvp38 family membrane proteins YqjA and YghB.Semantic proximity Read ↗

Temperature-sensitive suppressor mutations of the Escherichia coli DNA gyrase B protein.Semantic proximity Read ↗

DNA sequence changes in mutations in the tonB gene on the chromosome of Escherichia coli K12: insertion elements dominate the spontaneous spectra.Semantic proximity Read ↗

Partial suppression of an Escherichia coli TonB transmembrane domain mutation (delta V17) by a missense mutation in ExbB.Semantic proximity Read ↗

Tn5 insertion in the tonB gene promoter affects iron-related phenotypes and increases extracellular siderophore levels in Gluconacetobacter diazotrophicus.Semantic proximity Read ↗

Characterization of a tonB mutation in Erwinia chrysanthemi 3937: TonB(Ech) is a member of the enterobacterial TonB family.Semantic proximity Read ↗

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