Reevaluation of the promoter structure of the class 3 flagellar operons of Escherichia coli and Salmonella

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概要

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• Flagellar class 3 operons of Escherichia coli and Salmonella are transcribed by RNA polymerase containing σ28. The consensus sequence of the σ28-dependent pro-moters was believed to be TAAA N15 GCCGATAA. In this study, we found that the E. coli genome contains a large number of sequences homologous to this consen-sus. However, we showed that they do not always exert a σ28-dependent promoter activity. We compare more carefully the sequences of the class 3 flagellar promot-ers and propose a revised structure of the σ28-dependent promoters as TAAAGTTT N11 GCCGATAA.

• 日本遺伝学会の論文

著者

• Ide Nobuyuki

  Faculty Of Applied Biological Science Hiroshima University

• KUTSUKAKE Kazuhiro

  Facultyo of Applied Biological Science, Hiroshima University

• Ikebe T

  Faculty Of Applied Biological Science Hiroshima University

• Ikebe Tadayoshi

  Facultyo Of Applied Biological Science Hiroshima University

• Kutsukake Kazuhiro

  Faculty Of Applied Biological Science Hiroshima University

• Ikebe Tadayoshi

  Faculty of Applied Biological Science, Hiroshima University

関連論文

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• Two novel regulatory genes, fliT and fliZ, in the flagellar regulon of Salmonella
• Promoter analysis of the class 2 flagellar operons of Salmonella
• Substrate Specificity Switching of the Flagellum-specific Export Apparatus during Flagellar Morphogenesis in Salmonella typhimurium
• Structure and transcriptional control of the flagellar master operon of Salmonella typhimurium
• Reevaluation of the promoter structure of the class 3 flagellar operons of Escherichia coli and Salmonella

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