| 单词 | suppressor mutation |
| 释义 | > as lemmassuppressor mutation 2. Genetics. A gene mutation (or, esp. in early use, a chromosomal duplication, etc.) that totally or partially reverses the phenotypic effect of a previous mutation at a different site. Frequently attributive, in suppressor gene, suppressor mutation, etc. ΘΚΠ the world > life > biology > biological processes > genetic activity > genetic components > [noun] > gene > types of gene sex determinant1902 sex determiner1909 inhibitor1911 multiple factor1912 modifier1915 autosomal dominant1919 autosomal recessive1919 scute1923 gene1925 suppressor1928 rate gene1932 dominigene1938 buffer1939 polygene1941 switch gene1942 mutator1943 oligogene1943 sickle cell gene1946 supergene1949 ob1950 obese1950 regulator1960 regulator gene1960 regulatory gene1960 enhancer1967 oncogene1969 virogene1969 hedgehog1980 1928 Zeitschr. f. Induktive Abstammungs- u. Vererbungslehre 46 85 (heading) The genetics of ‘black suppressor’ in Drosophila melanogaster. 1932 Amer. Naturalist 66 329 These suppressors have been proved to be recessive mutant genes by the use of a duplication involving the locus of the suppressor. 1966 Ann. Rev. Microbiol. 20 409 The best characterized and most intensively studied of the suppressor mutations which affect the translation process are the suppressors of the two classes of mutants, ‘amber’ and ‘ochre’. 1988 F. Crick What Mad Pursuit (1990) xii. 125 Some mutants should have distant ‘suppressors’, as they are called, within the same gene. 2011 Lewin's Genes X xxv. 722/2 The secondary suppressor mutation changes the anticodon of a tRNA, so that it recognizes the mutant codon instead of (or as well as) its original target codon... The suppressors are described as nonsense suppressors or missense suppressors, depending on the nature of the original mutation. < as lemmas |
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