| 单词 | back-mutate |
| 释义 | > as lemmasback-mutate back-mutate v. [Compare earlier back mutation n. at Additions.] Genetics (intransitive) to undergo back mutation; (also transitive) to cause to undergo back mutation. ΚΠ 1946 Proc. National Acad. Sci. U.S.A. 32 172 It is conceivable that nutritional mutants in bacteria are formed by an inactivation of a gene. From this state it may later back-mutate. 1961 Jrnl. Molecular Biol. 3 121 Each mutant is then tested with various mutagens to see which of them will back-mutate it to wild type. 1986 M. Kogut tr. H. G. Schlegel Gen. Microbiol. xv. 447 It has also become obvious that mutants can back mutate and re-acquire the wild type character. 2002 Independent (Nexis) 24 June 14 Not only had the vaccine virus back-mutated, it had borrowed useful genes from other harmless viruses living in the gut of its victims, possibly adding to its strength. < as lemmas |
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