Cloning, Identification, and Characterization of the rpoS-Like Sigma Factor rpoX from Vibrio alginolyticus
Comparison of the conservative domains among rpoS, rpoX, and the other rpoS-like sigma factors. (a) Conserved rpoS domains in V. alginolyticus, (b) rpoX conserved domains in V. alginolyticus 12G01 and ZJ-51, (c) conserved domains in rpoS-like sigma factors in Vibrio sp. MED222 and V. splendidus LGP32, and (d) RpoQ conserved domains in V. fischeri ES114. Compared with rpoS and RpoQ, rpoX does not have the sigma 70 region 3, but it contains sigma 70 region 1.2, a region that is absent in the rpoS-like sigma factors of Vibrio sp. MED222 and V. splendidus LGP32.
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