中国仓鼠细胞电离辐射敏感性的六个互补基团

Nigel J. Jones , Roger Cox, John Thacker
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引用次数: 53

摘要

将电离辐射敏感突变体irs 1、irs 2、irs 3、xrs-1(或xrs-7、EM7和XR-1)融合到野生型细胞中或成对地相互融合以产生杂交细胞。对这些杂交体进行染色体检查和x射线敏感性测试。发现每个突变体对野生型是隐性的,并补充其他突变体的x射线敏感性。因此,中国仓鼠细胞的电离辐射敏感性似乎至少有6个互补基团。
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Six complementation groups for ionising-radiation sensitivity in Chinese hamster cells

The ionising radiation-sensitive mutants irs 1, irs 2, irs 3, xrs-1 (or xrs-7, EM7 and XR-1 were fused to wild-type cells or to each other in pairs to create hybrid cells. These hybrids were checked chromosomally and their X-ray sensitivity tested. Each mutant was found to be recessive to wild-type and to complement the X-ray sensitivity of the other mutants. Thus there appear to be at least 6 complementation groups for ionising radiation sensitivity in Chinese hamster cells.

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