MUTAGEN-INDUCED RECOMBINATION IN MAMMALIAN-CELLS INVITRO

被引:26
作者
HELLGREN, D [1 ]
机构
[1] KAROLINSKA HOSP,KAROLINSKA INST,DEPT CLIN GENET,S-10401 STOCKHOLM 60,SWEDEN
来源
MUTATION RESEARCH | 1992年 / 284卷 / 01期
关键词
RECOMBINATION; MUTAGEN; MAMMALIAN CELLS INVITRO;
D O I
10.1016/0027-5107(92)90023-U
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
It is now clear from in vitro studies that mutagens induce recombination in the cell, both homologous and nonhomologous exchanges. The recombination events induced are extrachromosomal events, exchanges between extrachromosomal DNA and chromosomes, and inter- as well as intrachromosomal exchanges. However, not all types of DNA damage can induce recombination. The mechanisms involved in the induction process are not known but may involve activation of DNA repair systems. In addition, stimulation of mRNA transcription by mutagens, different recombination pathways and how the assay system is constructed may affect the frequency and characteristics of the observed recombination events.
引用
收藏
页码:37 / 51
页数:15
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