デイノコッカス・ラジオデュランスのゲノムの告白 : 最初は放射線耐性として始まった
スポンサーリンク
概要
- 論文の詳細を見る
Previously, analyses of ionizing-radiation-sensitive mutants of Deinococcus radiodurans and investigation into the genomic expression profile of the wild-type organism indicated a positive correlation between radiation resistance and desiccation tolerance phenotypes. Mainly because a terrestrial selective force for acquiring resistance to ionizing radiation was unfound, it has been assumed that the radiation resistance of D. radiodurans is an incidental phenotype due to its anhydrobiosis defense abilities. Here, following the stratification of the D. radiodurans genome, we discuss these issues from evolutionary, genomic, and experimental perspectives. Through the data collected we propose a reconciliatory model wherein radiation resistance is a unique molecular reflection of the early Earth resilience and desiccation tolerance is a mark of cells that colonized land during the Archaean epoch.
- 生命の起原および進化学会の論文
- 2006-01-15
著者
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鳴海 一成
Research Group For Gene Resources Japan Atomic Energy Agency
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三友 宏志
Material Science Laboratory Department Of Biological And Chemical Engineering Faculty Of Engineering
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ハイサム エスガーヤル
Research Group for Gene Resources, Japan Atomic Energy Agency
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ハイサム エスガーヤル
Research Group For Gene Resources Japan Atomic Energy Agency:material Science Laboratory Department
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エスガーヤル ハイサム
Research Group For Gene Resources Japan Atomic Energy Agency