TRANSCRIPTIONAL ORGANIZATION OF THE RFAGBIJ LOCUS OF SALMONELLA-TYPHIMURIUM

被引：13

作者：

BRAZAS, R ^{[1
]}

DAVIE, E ^{[1
]}

FAREWELL, A ^{[1
]}

ROTHFIELD, LI ^{[1
]}

机构：

[1] UNIV CONNECTICUT,CTR HLTH,DEPT MICROBIOL,FARMINGTON,CT 06032

来源：

JOURNAL OF BACTERIOLOGY | 1991年 / 173卷 / 19期

关键词：

D O I：

10.1128/jb.173.19.6168-6173.1991

中图分类号：

Q93 [微生物学];

学科分类号：

071005 ; 100705 ;

摘要：

The transcriptional organization of the rfaGBIJ gene cluster of Salmonella typhimurium was studied by using lacZ and cat transcriptional probes. The results indicated that the leftward end of the gene cluster (rfaG-rfaB-rfaI) is an operon that is transcribed from one or more promoters that lie upstream of rfaG. The results further indicated that the product of the rfaH (sfrB) gene acts as a positive regulator of transcription of the entire rfaGBIJ cluster. At least one site required for the RfaH-mediated transcriptional regulation lies within or very close to the upstream promoter.

引用

页码：6168 / 6173

页数：6

共 22 条

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