<i>Micrococcus radiodurans</i>の熱感受性に及ぼす増殖速度の影響

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タイトル別名
  • The effect of growth rate of Micrococcus radiodurans on its heat sensitivity.
  • Micrococcus radioduransの熱感受性に及ぼす増殖速度の影響〔英文〕
  • Micrococcus radiodurans ノ ネツ カンジュセイ ニ オ

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説明

The growth rate of Micrococcus radiodurans R1 depends on the composition of its media. It grows faster in a rich medium than in a poor medium. However, there was no difference in heat sensitivity among the cells grown in media whose compositions were different. Recently, HANSEN reported that the number of genome equivalents of DNA per call of this bacterium changed from approiximately 4 to 10 depending on the growth rates in different media and that recombination repair between intact homologous segments of multiple genomes played an imporant role in its extremely high radioresistance. However, our data indicate that the growth rate of this organism does not influence the heat sensitivity. Therefore, it is concluded here that recombination repair for DNA damage by heat is scarcely influenced by multiple genomes in a cell of M. radiodurans.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 48 (3), 415-419, 1982

    公益社団法人 日本水産学会

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