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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Bacillus odysseyi ： ウィキペディア英語版 Bacillus odysseyi ''Bacillus odysseyi'' is a Gram-positive, aerobic, rod-shaped, round-spore- and endospore-forming eubacterium of the ''Bacillus'' genus.〔 This novel species was discovered by scientist Myron T. La Duc of NASA’s Biotechnology and Planetary Protection Group, a unit whose purpose is to clean and sterilize spacecraft so as not to have microorganisms contaminate other celestial bodies or foreign microorganisms contaminate Earth, on the surface of the Mars Odyssey in a clean room at the Jet Propulsion Laboratory in La Cañada Flintridge before the spacecraft was launched to space. La Duc named the bacterium ''Bacillus odysseyi'' sp. nov. after the Odyssey mission. It had apparently evolved to live in the sparse environment of a clean room, and its secondary spore coat makes it especially resistant to radiation.〔Dance, Amber. “Specialized Unit Helps NASA Keep Its Dirty Little Secrets on Earth.” ''Los Angeles Times'' 6 Aug. 2007: B1, B8.〕 ''B. odysseyi'' consists of an exosporium, spore coat, cortex, and core. In a test performed by the Planetary Protection unit, its spores were the most consistently resistant, and it survived exposure to all of the challenges posed against it: desiccation (100% survival), Hydrogen peroxide (H2O2, 26% survival), ultraviolet radiation (10% survival at 660 J ∙ m−2), and gamma radiation (0.4% survival). ''B. odysseyi'' shares many DNA similarities with ''Bacillus fusiformis'' and ''Bacillus silvestris.'' The type strain for ''B. odysseyi'' is 34hs-1T (=ATCC PTA-4993T=NRRL B-30641T=NBRC 100172T).〔 ==References== 〔 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Bacillus odysseyi」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.