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Article

Vitamin B12 partners the CarH repressor to downregulate a photoinducible promoter in Myxococcus xanthus.

Molecular microbiology - 1 Feb 2008

Pérez-Marín Mari Cruz, Padmanabhan S, Polanco María Carmen, Murillo Francisco José, Elías-Arnanz Montserrat

Abstract excerpt

A light-inducible promoter, P(B), drives expression of the carB operon in Myxococcus xanthus. Repressed by CarA in the dark, P(B) is activated when CarS, produced in the light, sequesters CarA to prevent operator-CarA binding. The MerR-type, N-terminal domain of CarA, which mediates interactions...

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Identifiers

PMID: 18315685
DOI: 10.1111/j.1365-2958.2007.06086.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 4 Sept 2026. Prepared record publication-18315685-2026-09-04.2. Manifest publication-graph-cohort-2026-09-04.2.

Source receipt: PubMed via Helena Literature Corpus, retrieved 4 Sept 2026.

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