SprB Is the Molecular Link between Salmonella Pathogenicity Island 1 (SPI1) and SPI4

被引：20
|
作者：
Saini, Supreet [1 ]
Rao, Christopher V. [1 ]
机构：
[1] Univ Illinois, Dept Chem & Biomol Engn, Urbana, IL 61801 USA
来源：
JOURNAL OF BACTERIOLOGY | 2010年 / 192卷 / 09期
关键词：
ENTERICA SEROVAR TYPHIMURIUM; III SECRETION SYSTEM; NEEDLE COMPLEX; EXPRESSION; HILA; REGULATOR; INVASION; GENES; IDENTIFICATION; ACTIVATION;
D O I：
10.1128/JB.00047-10
中图分类号：
Q93 [微生物学];
学科分类号：
071005 ; 100705 ;
摘要：
Salmonella pathogenicity island 1 (SPI1) and SPI4 have previously been shown to be jointly regulated. We report that SPI1 and SPI4 gene expression is linked through a transcriptional activator, SprB, encoded within SPI1 and regulated by HilA. SprB directly activates SPI4 gene expression and weakly represses SPI1 gene expression through HilD.
引用
收藏
页码：2459 / 2462
页数：4
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