4.4 Article

Characterization of the CtsR Stress Response Regulon in Lactobacillus plantarum

Journal

JOURNAL OF BACTERIOLOGY
Volume 192, Issue 3, Pages 896-900

Publisher

AMER SOC MICROBIOLOGY
DOI: 10.1128/JB.01122-09

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Funding

  1. European Commission [LSHG-CT-2004-503468]
  2. Centre National de la Recherche Scientifique (CNRS) [URA 2172]
  3. Institut Pasteur [GPH 9]
  4. English Society of Applied Microbiology (SfAM)

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Lactobacillus plantarum ctsR was characterized. ctsR was found to be cotranscribed with clpC and induced in response to various abiotic stresses. ctsR deletion conferred a heat-sensitive phenotype with peculiar cell morphological features. The transcriptional pattern of putative CtsR regulon genes was examined in the Delta ctsR mutant. Direct CtsR-dependent regulation was demonstrated by DNA-binding assays using recombinant CtsR and the promoters of the ctsR-clpC operon and hsp1.

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