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通过光复活、光保护和液体保存处理诱导紫外线照射的大肠杆菌恢复分裂能力。

Recovery of division ability in ultraviolet-irradiated Escherichia coli induced by photoreactivation, photoprotection, and liquid holding treatment.

作者信息

Kantor G J, Deering R A

出版信息

J Bacteriol. 1967 Dec;94(6):1946-50. doi: 10.1128/jb.94.6.1946-1950.1967.

Abstract

Small doses of ultraviolet light (UV, 265 mmu) cause Escherichia coli B to grow into long, multinucleate, nonseptate, filamentous cells. This UV-induced filament formation can be prevented by irradiating with photoprotecting light (335 mmu) prior to UV irradiation, and by irradiating with photoreactivating light (406 mmu), or by liquid holding treatment, after UV irradiation. It is concluded that UV-induced division inhibition in E. coli B is initially induced by repairable lesions in the deoxyribonucleic acid, probably pyrimidine dimers.

摘要

小剂量紫外线(UV,265毫微米)可使大肠杆菌B生长成为长形、多核、无隔膜的丝状细胞。这种紫外线诱导的丝状形成可通过在紫外线照射前用光保护光(335毫微米)照射、在紫外线照射后用光复活光(406毫微米)照射或通过液体保持处理来预防。得出的结论是,大肠杆菌B中紫外线诱导的分裂抑制最初是由脱氧核糖核酸中可修复的损伤引起的,可能是嘧啶二聚体。

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Control of cell division in bacteria.细菌中细胞分裂的控制
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本文引用的文献

1
Genetics of Resistance to Radiation in ESCHERICHIA COLI.大肠杆菌对辐射抗性的遗传学
Genetics. 1947 May;32(3):221-48. doi: 10.1093/genetics/32.3.221.
3
RECOVERY FROM ULTRAVIOLET IRRADIATION IN ESCHERICHIA COLI.大肠杆菌中紫外线照射后的恢复
J Bacteriol. 1949 Mar;57(3):363-75. doi: 10.1128/jb.57.3.363-375.1949.

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