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[对辐射敏感的果蝇突变体体细胞中染色体辐射损伤的修饰。γ射线剂量分割的效应]

[The modification of the radiation damage to the chromosomes in the somatic cells of radiosensitive Drosophila mutants. The effect of fractionating the gamma-ray dose].

作者信息

Levin V V, Malinovskiĭ O V

出版信息

Radiobiologiia. 1993 Jan-Feb;33(1):148-53.

PMID:8469737
Abstract

A study was made of the effect of gamma-ray dose fractionation registered by chromosome aberration induction in somatic cells of the mutant rad(2)201G1, the mutant mus(2)201G1, and the wild type strain of drosophila. The dose fractionation upon irradiation of the mutant mus(2)201G1 and control strain larvae was shown to decrease the frequency of cytogenetic damages to cells. In contrast, when the radiosensitive mutant rad(2)201G1 was exposed, the effect of dose fractionation was insignificant.

摘要

研究了γ射线剂量分割对突变体rad(2)201G1、突变体mus(2)201G1和果蝇野生型品系体细胞中染色体畸变诱导的影响。结果表明，对突变体mus(2)201G1和对照品系幼虫进行辐照时，剂量分割可降低细胞的细胞遗传学损伤频率。相比之下，当对辐射敏感的突变体rad(2)201G1进行照射时，剂量分割的影响不显著。

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