一种影响细胞器突变频率的罕见突变体。
An unusual mutant affecting the frequency of organelle mutation.
作者信息
Hershberger C L, Morgan D, Weaver F A, Pienkos P
出版信息
J Bacteriol. 1974 May;118(2):434-41. doi: 10.1128/jb.118.2.434-441.1974.
Abstract
A mutant of Euglena gracilis Z is described that spontaneously produces irreversibly bleached mutants at a high frequency. Bleaching only occurs during exponential growth under highly aerobic conditions. The kinetics for bleaching and growth of bleached and nonbleached cells suggest that mutation is induced by segregation of a cellular component that becomes limiting after several culture generations. The properties of spontaneous bleaching closely resemble the properties of induced organelle mutagenesis in E. gracilis and yeast.
摘要
描述了一种纤细裸藻Z的突变体，它能在高频率下自发产生不可逆漂白的突变体。漂白仅在高需氧条件下的指数生长期间发生。漂白细胞和未漂白细胞的漂白动力学及生长情况表明，突变是由细胞成分的分离诱导产生的，这种细胞成分在几代培养后变得有限。自发漂白的特性与纤细裸藻和酵母中诱导的细胞器诱变特性非常相似。
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