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Article

Role of TonB1 in pyoverdine-mediated signaling in Pseudomonas aeruginosa.

Journal of bacteriology - 1 Sept 2009

Shirley Matt, Lamont Iain L

Abstract excerpt

Pyoverdines are siderophores secreted by Pseudomonas aeruginosa. Uptake of ferripyoverdine in P. aeruginosa PAO1 occurs via the FpvA receptor protein and requires the energy-transducing protein TonB1. Interaction of (ferri)pyoverdine with FpvA activates pyoverdine gene expression in a signaling process involving the cytoplasmic-membrane-spanning anti-sigma factor FpvR and the sigma factor PvdS. Here, we show that...

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Identifiers

PMID: 19592589
DOI: 10.1128/JB.00742-09
PMCID: PMC2737950

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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.

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