英语词汇“mutator”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	mutator
释义	muˈtator [a. L. mūtātor, agent-noun f. mūtāre to change.] †1. One who changes. Obs. rare^—1. 1632[see plantator 1]. 2. Biol. Any gene which increases the mutation rate of other genes. Usu. attrib., esp. in *mutator gene. 1943Proc. Nat. Acad. Sci. XXIX. 138 In determining the abnormal mutation rate we shall consider only those cultures which have given at least one sex-linked recessive, since this is the only indication of the presence of the ‘Mutator’ gene in the mother.1945Genetics XXX. 496 Recently, high mutation frequency in a strain of D. pseudoobscura*, race B, was found to be due to a dominant mutator.1970Jrnl. Molecular Biol. L. 129 Mutator genes cause a generalized increase in mutation rate. They have been identified in a variety of organisms, including phage and bacteria.
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