極限環境における微生物の生存条件に関する研究 Survival Conditions of Microorganisms under Extremely Severe Environment

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The survival conditions of microorganisms under extremely severe environment are of interest in various areas of biology, sterilization, and space engineering, especially where resistance to microorganisms is concerned. Despite the interest, the resistance to microorganisms under extremely severe environment such as space environment or other planetary environment is not known well. In order to investigate survival conditions of microorganisms under extremely severe environment, surviving fractions for spores and vegetative cells of Bacillus subtilis were surveyed in various chemical species of atmosphere at various pressures and various temperatures, and the dependence on time for surviving fractions was examined. The results show: (i) Surviving fractions depend on chemical species of atmosphere. (ii) At high pressure and high temperature, surviving fractions are low and the resistance of spores is stronger than that of vegetative cells. (iii) Surviving fractions decrease as first-order reaction along with time elapsed.

収録刊行物

  • 宇宙生物科学 = Biological sciences in space  

    宇宙生物科学 = Biological sciences in space 14(1), 14-21, 2000-03 

    日本宇宙生物科学会

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各種コード

  • NII論文ID(NAID)
    10004491410
  • NII書誌ID(NCID)
    AN10164806
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09149201
  • NDL 記事登録ID
    5361826
  • NDL 雑誌分類
    ZR1(科学技術--生物学) // ZM33(科学技術--宇宙科学)
  • NDL 請求記号
    Z18-2504
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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