极端条件下的生命:冰封12万年细菌复活(图)(6)
6.Halobacterium NRC-1细菌
Halobacterium NRC-1细菌
图中展示的细菌Halobacterium NRC-1是地球上抗辐射能力最强的生物,能够经受住1.8万Gy(吸收剂量)辐射——10Gy辐射便可致人死亡。Halobacterium NRC-1抗辐射能力几乎是耐辐射球菌的两倍,后者最初是在1950年发现的,被视为辐照肉唯一的幸存者。与耐辐射球菌和Deinococcus peraridilitoris球菌一样,Halobacterium NRC-1也擅长修复其自身的DNA。
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