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使用基于猿猴病毒40的穿梭载体分析丝裂霉素C处理的猴细胞中的增强诱变作用。

Use of a simian virus 40-based shuttle vector to analyze enhanced mutagenesis in mitomycin C-treated monkey cells.

作者信息

Roilides E, Munson P J, Levine A S, Dixon K

机构信息

Section on Viruses and Cellular Biology, National Institute of Child Health and Human Development, Bethesda, Maryland 20892.

出版信息

Mol Cell Biol. 1988 Sep;8(9):3943-6. doi: 10.1128/mcb.8.9.3943-3946.1988.

Abstract

When monkey cells were treated with mitomycin C 24 h before transfection with UV-irradiated pZ189 (a simian virus 40-based shuttle vector), there was a twofold increase in the frequency of mutations in the supF gene of the vector. These results suggest the existence of an enhancible mutagenesis pathway in mammalian cells. However, DNA sequence analysis of the SupF- mutants suggested no dramatic changes in the mechanisms of mutagenesis due to mitomycin C treatment of the cells.

摘要

在用紫外线照射的pZ189(一种基于猿猴病毒40的穿梭载体)转染前24小时用丝裂霉素C处理猴细胞时,载体的supF基因中的突变频率增加了两倍。这些结果表明哺乳动物细胞中存在一种可增强的诱变途径。然而,对SupF突变体的DNA序列分析表明,由于用丝裂霉素C处理细胞,诱变机制没有显著变化。

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本文引用的文献

1
The SOS regulatory system of Escherichia coli.大肠杆菌的SOS调控系统。
Cell. 1982 May;29(1):11-22. doi: 10.1016/0092-8674(82)90085-x.
5
Is there SOS induction in mammalian cells?哺乳动物细胞中存在SOS诱导吗?
Photochem Photobiol. 1980 Dec;32(6):823-30. doi: 10.1111/j.1751-1097.1980.tb04062.x.

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