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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 Exposing Microorganisms in the Stratosphere ： ウィキペディア英語版 Exposing Microorganisms in the Stratosphere Exposing Microorganisms in the Stratosphere (E-MIST) is a NASA study to determine if microorganisms could survive conditions like those on the planet Mars. The study will transport bacteria by helium-filled scientific balloon to the stratosphere of Earth and monitor the ability of the microorganisms to survive in such extreme Martian-like conditions. ==Overview== Microorganisms of every major biological lineage have been detected in Earth's upper atmosphere.〔 If microbial metabolism, growth, or replication is achievable, independent of Earth's surface, then the search for habitable zones on other worlds should be broadened to include atmospheres.〔 Moreover, measuring the endurance of spacecraft associated microbes at extreme altitudes may help predict their response on the surface of Mars and enhance planetary protection procedures.〔 The environmental conditions in the upper atmosphere resemble the surface conditions of Mars, especially in the stratosphere— above sea level—that exhibits extreme cold, low pressure, desiccation, oxidation, and higher solar irradiation. Beyond investigating viability alone, concerns of whether microorganisms can survive deep space conditions and potentially be transported to other planets, such as Mars, has long been a concern to scientists. To further this understanding, it is necessary to determine if there is a genomic effect that occurs with survival in this extreme environment.〔(Exposing Microorganisms in the Stratosphere (E-MIST) ) (PDF). C. L. Khodadad, and Phillip R. Maloney. Astrobiology Science Conference (2015). Publisher: Universities Space Research Association (USRA).〕 Analysis of RNA could provide valuable insight into the functional effects on surviving microorganisms. For instance, this approach could help identify genes associated with repairing damage to the cell envelope, genome, and core metabolic proteins.〔 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「Exposing Microorganisms in the Stratosphere」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.