Unknown,Transcriptomics,Genomics,Proteomics

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Effects of an adrA mutant on Salmonella enterica gene expression during root colonization


ABSTRACT: Increasing evidence indicates that despite exposure to harsh environmental stresses, Salmonella enterica successfully persists on plants, utilizing fresh produce as a vector to animal hosts. This study examined the mechanisms of S. enterica plant colonization, including the role of the diguanylate cyclase AdrA. Utilizing microarray analysis, we identified a new function for AdrA in the transcriptional regulation of colanic acid biosynthesis genes. Changes in gene expression, comparing wildtype to an adrA mutant, were measured in planktonic bacterial cells after 24-hour incubation with alfalfa seeds. Two independent experiments were performed for each strain (wildtype and the adrA mutant).

ORGANISM(S): Salmonella enterica subsp. enterica serovar Typhimurium str. LT2

SUBMITTER: Kimberly Cowles 

PROVIDER: E-GEOD-75662 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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