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[不同能量快中子对灰色链霉菌孢子的致死和诱变作用]

[Lethal and mutagenic effect of fast neutrons of different energies on the spores of Streptomyces griseus].

作者信息

Podgorskaia M E, Tulina G G, Serdechnaia A I, Matseliukh B P

出版信息

Radiobiologiia. 1986 Jul-Aug;26(4):510-3.

PMID:3092280
Abstract

A study was made of lethal and mutagenic effects of fast neutrons of different energy on spores of prototrophic and auxotrophic strains of Streptomyces griseus. Relative biological effectiveness of fast neutrons is higher than that of gamma-rays and depends on beam energy. Neutrons of 22-50 MeV induce Streptomyces griseus mutations more frequently (by one order of magnitude) than neutrons of 1.4-1.6 MeV do. The obtained mutants can be used in studying Streptomyces griseus genetics.

摘要

研究了不同能量的快中子对灰色链霉菌原养型和营养缺陷型菌株孢子的致死和诱变效应。快中子的相对生物效应高于γ射线，且取决于束流能量。22 - 50 MeV的中子比1.4 - 1.6 MeV的中子更频繁地诱导灰色链霉菌突变（高一个数量级）。所获得的突变体可用于灰色链霉菌遗传学研究。

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