publication . Doctoral thesis . 2010

Stress response and virulence in Vibrio anguillarum

Weber, Barbara;
Open Access English
  • Published: 01 Jan 2010
  • Publisher: Umeå universitet, Institutionen för molekylärbiologi (Teknisk-naturvetenskaplig fakultet)
  • Country: Sweden
Bacteria use quorum sensing, a cell to cell signaling mechanism mediated by small molecules that are produced by specific signal molecule synthases, to regulate gene expression in response to population density. In Vibrio anguillarum, the quorum-sensing phosphorelay channels information from three hybrid sensor kinases VanN, VanQ, CqsS that sense signal molecules produced by the synthases VanM, VanS and CqsA, onto the phosphotransferase VanU, to regulate activity of the response regulator VanO. VanO activates transcription of quorum-sensing regulatory RNAs (Qrr), which work together with the RNA chaperone Hfq to repress expression of the transcriptional regulato...
free text keywords: Vibrio anguillarum, quorum sensing, Type VI secretion, stress response, virulence, skin colonization, Biochemistry and Molecular Biology, Biokemi och molekylärbiologi
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