Adaptive introgression of anticoagulant rodent poison resistance by hybridization between old world mice.

Adaptive introgression of anticoagulant rodent poison resistance by hybridization between old world mice.
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DOI:
10.1016/j.cub.2011.06.043
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发表时间:
2011-08-09
期刊:
Current biology : CB
影响因子:
--
通讯作者:
Kohn MH
Kohn MH
中科院分区:
其他
文献类型:
--
作者:
Song Y;Endepols S;Klemann N;Richter D;Matuschka FR;Shih CH;Nachman MW;Kohn MH

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众所周知,家鼠(Mus musculus Domesticus)维生素 K 2,3-环氧化物还原酶亚组分 1 (vkorc1) 中新的或固定的单核苷酸多态性 (SNP) 的选择进化可导致对抗凝血灭鼠剂(如华法林)的抗药性。在这里,我们报告了欧洲 M. m. 的基因渗入。 Domesticus 跨度高达约 20.3 兆碱基 (Mb),其中包括抗凝剂分子靶标 vkorc1,源自与阿尔及利亚小鼠 (M. spretus) 的杂交。我们在实验室中证明,M. spretus 的纯合完整 vkorc1 等位基因在渗入到 M. m 中时会产生抗性。家畜。与 20 世纪 50 年代引入灭鼠剂后对基因渗入的选择一致,我们记录了 M. m. 中 vkorc1 的历史适应性群体遗传学。家畜。此外,我们在 M. spretus 谱系中检测到 vkorc1 的适应性蛋白质进化 (Ka/Ks=1.54–1.93),导致自由基氨基酸取代,这显然具有 M. spretus 的抗凝耐受性,作为多效性效应。因此,正选择在供体物种 M. spretus 中产生了适应性、发散性和多效性的 vkorc1 等位基因,该等位基因跨越了物种障碍,在受体物种 M. m. 中表达为适应性特征。家畜。抗性家鼠起源于对新的或固定的 vkorc1 多态性的选择以及对通过适应性渐渗杂交获得的 vkorc1 多态性的选择。
It is known that evolution by selection on new or standing single nucleotide polymorphisms (SNPs) in the vitamin K 2,3-epoxide reductase subcomponent 1 (vkorc1) of house mice (Mus musculus domesticus) can cause resistance to anticoagulant rodenticides such as warfarin. Here we report an introgression in European M. m. domesticus spanning as much as ~20.3 megabases (Mb) and including vkorc1, the molecular target of anticoagulants, that stems from hybridization with the Algerian mouse (M. spretus). We show that in the laboratory the homozygous complete vkorc1 allele of M. spretus confers resistance when introgressed into M. m. domesticus. Consistent with selection on the introgression after the introduction of rodenticides in the 1950s we document historically adaptive population genetics of vkorc1 in M. m. domesticus. Furthermore, we detected adaptive protein evolution of vkorc1 in the M. spretus lineage (Ka/Ks=1.54–1.93) resulting in radical amino-acid substitutions that apparently have anticoagulant tolerance of M. spretus as pleiotropic effect. Thus, positive selection produced an adaptive, divergent and pleiotropic vkorc1 allele in the donor species, M. spretus, which crossed a species barrier where it is expressed as adaptive trait in the recipient species, M. m. domesticus. Resistant house mice originated from selection on new or standing vkorc1 polymorphisms and from selection on vkorc1 polymorphisms acquired by adaptive introgressive hybridization.
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发表时间: 2004-02-05
期刊: NATURE
影响因子: 64.8
作者:
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发表时间: 2000-07-05
影响因子: 11.1
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影响因子: 3.3
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