Research Article
Cloning, Identification, and Characterization of the rpoS-Like Sigma Factor rpoX from Vibrio alginolyticus
Table 1
Bacterial strains and plasmids used in this study.
| Strain or plasmid | Relevant characteristics | Reference or source |
| E. coli | | | SY327 | (lac pro) argE(Am) rif malA recA56 pir lysogen | [19] | S17-1 | thi pro hsdR hsdM+ recA RP4-2-Tc::Mu-Km::Tn7 pir lysogen | [20] | V. alginolyticus | | | ZJ-O | Opaque variant of wild strain, isolated from diseased cultured fish in Guangdong province on the Southern China coast. | [17] | ZJ-T | Translucent variant of wild strain; isolated from diseased cultured fish in Guangdong province on the Southern China coast. | [17] | rpoX-O | ZJ-O carrying an in-frame deletion of rpoX. | This study | rpoX-T | ZJ-T carrying an in-frame deletion of rpoX. | This study | CrpoX-O | rpoX-O complemented in trans with wild-type rpoX gene. and | This study | CrpoX-T | rpoX-T complemented in trans with wild-type rpoX gene. and | This study | Plasmids | | | pDM4 | , suicide vector with an R6K origin(pir requiring) and sacBR of Bacillus subtilis | [21] | pDMrpoX | , pDM4 containing a mutant allele of rpoX | This study | pDMCrpoX | , pDM4 containing the wild-type allele of rpoX | This study |
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, chloramphenicol resistant , ampicillin resistant.
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