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词汇 hypermutable
释义

Definition of hypermutable in English:

hypermutable

adjective hʌɪpəˈmjʊːtəb(ə)lˌhīpərˈmyo͞odəb(ə)l
Genetics
  • Of or in a state in which mutation is abnormally frequent.

    〔遗传〕超突变的

    Example sentencesExamples
    • As predicted by the fact that microsatellites are hypermutable, many flanking-sequence variants were associated with multiple repeat alleles.
    • High GC may cause elevated substitution rates, e.g., by a higher incidence of hypermutable CpG sites.
    • After 60 cycles of single colony isolation, close to 30% of the lineages have a mutation at this hypermutable site.
    • The high rate of evolution in ancestral repeats may be due partly to higher levels of hypermutable CpG dinucleotides.
    • The situation of recurrent mutation is especially likely for a C / T polymorphism at the hypermutable CpG dinucleotides.

Derivatives

  • hypermutation

  • noun ˌhʌɪpəmjuːˈteɪʃ(ə)nˈˌhaɪpərˌmjuˈteɪʃ(ə)n
    mass nounGenetics
    • Mutation that is abnormally frequent.

      〔遗传〕超突变的

      we observed hypermutation in one of the viral strains
      Example sentencesExamples
      • For example, somatic hypermutation of Ig genes is used to generate antibodies with increased antigen affinity.
      • Among the progeny, a variable proportion suffer hypermutation (C-to-T transitions) of both copies of the gene.
      • The corresponding near-neighbors had to be removed because not all putative CG tandems are generated by CG hypermutation.

Definition of hypermutable in US English:

hypermutable

adjectiveˌhīpərˈmyo͞odəb(ə)l
Genetics
  • Of or in a state in which mutation is abnormally frequent.

    〔遗传〕超突变的

    Example sentencesExamples
    • The situation of recurrent mutation is especially likely for a C / T polymorphism at the hypermutable CpG dinucleotides.
    • After 60 cycles of single colony isolation, close to 30% of the lineages have a mutation at this hypermutable site.
    • As predicted by the fact that microsatellites are hypermutable, many flanking-sequence variants were associated with multiple repeat alleles.
    • High GC may cause elevated substitution rates, e.g., by a higher incidence of hypermutable CpG sites.
    • The high rate of evolution in ancestral repeats may be due partly to higher levels of hypermutable CpG dinucleotides.
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