[质粒中的ω-再活化现象]
[Phenomenon of w-reactivation in plasmids].
作者信息
Khodkova E M, Zavil'gel'skiĭ G B
出版信息
Mol Biol (Mosk). 1978 Jan-Feb;12(1):116-22.
PMID:345103
Abstract
An analysis of the action of the bacterial repair system on the UV-irradiated pMB9 plasmid has been carried out. It has been shown that the UV-irradiated plasmid is repaired in the bacteria similarly to the DNA of bacteriophage (lambda): the effectiveness of the UVR-system is lowered two-three times, and the postreplicativing REC system acts only at low doses of the UV-light. The phenomenon of omega-reactivation is observed both with plasmid and phage DNAs.
摘要
对细菌修复系统作用于紫外线照射的pMB9质粒的情况进行了分析。结果表明，紫外线照射的质粒在细菌中与噬菌体（λ）的DNA一样被修复：紫外线修复系统（UVR-system）的效率降低了两到三倍，复制后REC系统仅在低剂量紫外线照射下起作用。在质粒和噬菌体DNA中均观察到ω-复活现象。
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