大肠杆菌K-12部分二倍体中紫外线抗性的显性
Dominance of ultraviolet radiation resistance in partial diploids of Escherichia coli K-12.
作者信息
Uretz R B, Markovitz A
出版信息
J Bacteriol. 1969 Nov;100(2):1118-20. doi: 10.1128/jb.100.2.1118-1120.1969.
Abstract
Although an F'13 capR(+)/capR9 strain is nonmucoid and an F'13 capR9/capR(+) strain is mucoid, both strains are ultraviolet (UV)-resistant. In contrast, haploid capR9 strains are UV-sensitive. Therefore, UV resistance is dominant to UV sensitivity, regardless of whether the capR(+) allele is on the chromosome or on the F'13 episome.
摘要
虽然F'13 capR(+)/capR9菌株是非黏液型的，而F'13 capR9/capR(+)菌株是黏液型的，但这两种菌株都对紫外线（UV）具有抗性。相比之下，单倍体capR9菌株对紫外线敏感。因此，无论capR(+)等位基因是在染色体上还是在F'13附加体上，紫外线抗性相对于紫外线敏感性都是显性的。
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