SarA ofStaphylococcus aureusBinds to thesarAPromoter To Regulate Gene Expression
Author(s) -
Ambrose L. Cheung,
Koren Nishina,
Adhar C. Manna
Publication year - 2008
Publication title -
journal of bacteriology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.652
H-Index - 246
eISSN - 1067-8832
pISSN - 0021-9193
DOI - 10.1128/jb.01826-07
Subject(s) - biology , staphylococcus aureus , gene , microbiology and biotechnology , gene expression , staphylococcus , expression (computer science) , staphylococcal infections , genetics , bacteria , computer science , programming language
The 375-bp sarA open reading frame is driven by three promoters, P1, P3, and P2. Using gel shift and DNase I footprinting assays, we found that SarA binds to two 26-bp sequences and one 31-bp sequence within the P1 and P3 promoters, respectively. Together with the results of transcription analyses, our data indicate that SarA binds to its own promoter to down-regulate sarA expression.
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