The quorum sensing regulator HapR downregulates the expression of the virulence gene transcription factor AphA in Vibrio cholerae by antagonizing Lrp- and VpsR-mediated activation.
Lin, Wei; Kovacikova, Gabriela; Skorupski, Karen *
[Article] Molecular Microbiology. 64(4):953-967, May 2007.

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