Abstract:RNA degradation is an essential process that allows bacteria to regulate gene expression and has emerged as an important mechanism for controlling virulence. However, the individual contributions of RNases in this process are mostly unknown. Here, we report that of 11 tested potential RNases of the intestinal pathogenYersinia pseudotuberculosis, two, the endoribonuclease RNase III and the exoribonuclease PNPase, repress the synthesis of the master virulence regulator LcrF. LcrF activates the expression of viru… Show more
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