Kantor G J, Deering R A
J Bacteriol. 1967 Dec;94(6):1946-50. doi: 10.1128/jb.94.6.1946-1950.1967.
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.
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。