Phenotypes of dnaA mutants of escherichia coli sensitive to detergents and organic solvents

Tomoko Shinpuku, Tohru Mizushima, Lei Guo, Takeyoshi Miki, Kazuhisa Sekimizu

研究成果: Article査読

25 被引用数 (Scopus)

抄録

We examined growth sensitivities of dnaA mutants of Escherichia coli to detergents (deoxycholic acid, cholic acid) and organic solvents (ethanol, glycerol). The dnaA602, dnaA604, dnaA5, and dnaA46 mutants with mutations in the putative ATP binding site of DnaA protein showed higher sensitivities to the detergents than did the wild-type strain. The dnaA508 and dnaA167 mutants with mutations in the N-terminal region of DnaA protein, however, showed higher sensitivities to organic solvents. The dnaA204 and dnaA205 mutants with a mutation in the C-terminal region of DnaA protein showed similar sensitivity as did the wild-type strain to reagents. Complementation analysis with a plasmid carrying the wild-type dnaA gene confirmed that dnaA mutations are responsible for these phenotypes that are sensitive to the reagents.

本文言語English
ページ(範囲)84-89
ページ数6
ジャーナルBiochemical and Biophysical Research Communications
212
1
DOI
出版ステータスPublished - 1995 7月 6

ASJC Scopus subject areas

  • 生物理学
  • 生化学
  • 分子生物学
  • 細胞生物学

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