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J Bacteriol. 2011 Mar;193(6):1477-80. doi: 10.1128/JB.01230-10. Epub 2011 Jan 14.

The Escherichia coli K-12 MntR miniregulon includes dps, which encodes the major stationary-phase DNA-binding protein.

Author information

1
Department of Frontier Bioscience and Research Center for Micro-Nano Technology, Hosei University, Koganei, Tokyo 184-8584, Japan.

Abstract

Escherichia coli MntR protein is the Mn(2+)-responsive transcriptional repressor of the MntH manganese transporter. We have used chromatin immunoprecipitation to determine the distribution of Mn(2+)-MntR across the entire E. coli chromosome in vivo, and we report that MntR binds to only four targets, adjacent to the mntH, mntR, yebN, and dps genes. Unexpectedly, we found that dps expression is directly repressed by Mn(2+)-MntR.

PMID:
21239586
PMCID:
PMC3067631
DOI:
10.1128/JB.01230-10
[Indexed for MEDLINE]
Free PMC Article

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