The diversity and commonalities of the radiation-resistance mechanisms of Deinococcus and its up-to-date applications
文献类型： 外文期刊
作者： Jin, Mengmeng 1 ; Xiao, Anqi 3 ; Zhu, Liying 3 ; Zhang, Zhidong 4 ; Huang, He 5 ; Jiang, Ling 2 ;
作者机构： 1.Nanjing Tech Univ, Coll Biotechnol & Pharmaceut Engn, Nanjing 210019, Jiangsu, Peoples R China
2.Nanjing Tech Univ, Coll Food Sci & Light Ind, Nanjing 210009, Jiangsu, Peoples R China
3.Nanjing Tech Univ, Coll Chem & Mol Engn, Nanjing 210009, Jiangsu, Peoples R China
4.Xinjiang Acad Agr Sci, Inst Microbiol, Urumqi, Xinjiang Uigur, Peoples R China
5.Nanjing Tech Univ, Coll Pharmaceut Sci, Nanjing 210009, Jiangsu, Peoples R China
关键词： Deinococcus; Ionizing radiation; DNA repair; Anti-oxidation
期刊名称：AMB EXPRESS （ 影响因子：3.298； 五年影响因子：3.427 ）
ISSN： 2191-0855
年卷期： 2019 年 9 卷 1 期
页码：
收录情况： SCI
摘要： Deinococcus is an extremophilic microorganism found in a wide range of habitats, including hot springs, radiation-contaminated areas, Antarctic soils, deserts, etc., and shows some of the highest levels of resistance to ionizing radiation known in nature. The highly efficient radiation-protection mechanisms of Deinococcus depend on a combination of passive and active defense mechanisms, including self-repair of DNA damage (homologous recombination, MMR, ER and ESDSA), efficient cellular damage clearance mechanisms (hydrolysis of damaged proteins, overexpression of repair proteins, etc.), and effective clearance of reactive oxygen species (ROS). Due to these mechanisms, Deinococcus cells are highly resistant to oxidation, radiation and desiccation, which makes them potential chassis cells for wide applications in many fields. This article summarizes the latest research on the radiation-resistance mechanisms of Deinococcus and prospects its biotechnological application potentials.
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