Regulon of SdiA in Salmonella Typhimurium and Typhi
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ABSTRACT: SdiA is a LuxR-type protein found in some Enterobacteriaceae. SdiA encoding bacteria do not encode a luxI homolog and rely on foreign bacteria for the production of N-acyl homoserine lactones (AHLs), SdiA's ligand. The regulon of Salmonella SdiA is largely unknown. In this study, we measured the sdiA dependent transcriptional changes of two serovars of Salmonella, Typhimurium and Typhi, exposed to synthetic AHLs. This was evaluated in two experiments. First, the wild-type and sdiA mutant were grown in the presence of AHLs. In the second, sdiA mutants harboring an arabinose inducible copy of SdiA on a plasmid and vector control were grown with AHLs and arabinose. From this a putative regulon was established and confirmed with subsequent characterization experiments.
ORGANISM(S): Salmonella enterica subsp. enterica serovar Typhimurium Salmonella enterica subsp. enterica serovar Typhi
PROVIDER: GSE275322 | GEO | 2024/09/16
REPOSITORIES: GEO
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