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Article

The two TonB systems of Vibrio cholerae: redundant and specific functions.

Molecular microbiology - 1 Feb 2001

Seliger S S, Mey A R, Valle A M, Payne S M

Abstract excerpt

The two TonB systems in Vibrio cholerae were found to have unique as well as common functions. Both systems can mediate transport of haemin and the siderophores vibriobactin and ferrichrome. However, TonB1 specifically mediates utilization of the siderophore schizokinen, whereas TonB2 is required for utilization of enterobactin by V. cholerae. Although either TonB system was sufficient for the use of haemin as an...

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PMID: 11169119
DOI: 10.1046/j.1365-2958.2001.02273.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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The two TonB systems of Vibrio cholerae: redundant and specific functions.PMID 11169119Read ↗

Haem utilization in Vibrio cholerae involves multiple TonB-dependent haem receptors.Semantic proximity Read ↗

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

Vibrio cholerae iron transport: haem transport genes are linked to one of two sets of tonB, exbB, exbD genes.Semantic proximity Read ↗

Campylobacter jejuni ferric-enterobactin receptor CfrA is TonB3 dependent and mediates iron acquisition from structurally different catechol siderophores.Semantic proximity Read ↗

A functional tonB gene is required for both utilization of heme and virulence expression by Haemophilus influenzae type b.Semantic proximity Read ↗

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

Nonredundant Roles of Iron Acquisition Systems in Vibrio cholerae.Semantic proximity Read ↗

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A conserved electron transport chain sensitizes Bacteroides to a pore-forming type VI secretion toxinSemantic proximity Read ↗

TonB is essential for virulence in avian pathogenic Escherichia coli.Semantic proximity Read ↗

Two functionally distinct heme/iron transport systems are virulence determinants of the fish pathogen Flavobacterium psychrophilumSemantic proximity Read ↗

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