单词 | retrotransposition |
释义 | > as lemmasretrotransposition retrotransposition n. Brit. /ˌrɛtrəʊtranspəˈzɪʃn/ , /ˌrɛtrəʊtrɑːnspəˈzɪʃn/ , U.S. /ˌrɛtroʊˌtræn(t)spəˈzɪʃ(ə)n/ Molecular Biology transposition of a DNA sequence via an RNA intermediate; cf. retrotransposon n.ΚΠ 1985 Nature 15 Aug. 575/1 For the intron to survive more than one cycle of retrotransposition, the ends of the element would have to correspond exactly to the region spliced out of the pre-mRNA. 1990 EMBO Jrnl. 9 2489/2 The resultant gradient in copy number..is consistent with the proposed mechanism of propagation through an mRNA intermediate via retrotransposition. 2006 Sci. Amer. (U.K. ed.) Aug. 33/2 These two processes, duplication and retrotransposition, are major forces that remodel genomes over the course of evolutionary time, generating new variation in organisms. < as lemmas |
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