Polymorphism of Repressibility of σ70-promoter-like sequence in escherichia coli and its bacteriophages

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概要

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• The present paper compares, among Escherichia coli and 9 bacteriophages, repressibilities of occurrences of σ70-promoter consensus sequences in coding regions by means of an index (Ks) derived from a χ2-statistic and principal components analysis (PCA). Results of PCA represent a subtle distinction of the gene distributions among E. coli and its bacteriphages as follows: (1) the occurrences of the promoter-like sequences for E. coli, λ and P4 are repressed and degree of the repression for E. coli is the highest of the three, and (2) the occurrences of the promoter-like sequences for filamentous phagds (M13, fd, fl, and IKe), T7, G4 and φX174 are promotive and the occurrences for filamentaous phages are more promotive than those for T7, G4 and υX174. These results suggest that the repressibilty of the promoter-like sequences in coding regions is one of the most important factors to effectively coordinate a web of gene control circuits.

• 山形大学の論文
• 1993-01-30

著者

• Kanaya Shigehiko

  Faculty Of Engineering Yamagata University

• Kanaya S

  Yamagata Univ. Yonezawa Jpn

• Kudo Yoshihiro

  Faculty of Engineering, Yamagata University

• Kudo Yoshihiro

  Faculty Of Engineering Yamagata University

関連論文

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• Polymorphism of Repressibility of σ70-promoter-like sequence in escherichia coli and its bacteriophages
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