...
首页> 外文期刊>Proceedings of the National Academy of Sciences of the United States of America >Nonsynonymous substitution in abalone sperm fertilization genes exceeds substitution in introns and mitochondrial DNA
【24h】

Nonsynonymous substitution in abalone sperm fertilization genes exceeds substitution in introns and mitochondrial DNA

机译:鲍鱼精子受精基因中的非同义取代超过内含子和线粒体DNA中的取代

获取原文
获取原文并翻译 | 示例
           

摘要

Strong positive Darwinian selection acts on two sperm fertilization proteins, lysin and 18-kDa protein, from abalone (Haliotis). To understand the phylogenetic con- text for this dramatic molecular evolution, we obtained se- quences of mitochondrial cytochrome c oxidase subunit I (mtCOI), and genomic sequences of lysin, 18-kDa, and a G protein subunit. Based on mtDNA differentiation, four north Pacific abalone species diverged within the past 2 million years (Myr), and remaining north Pacific species diverged over a period of 4-20 Myr. Between-species nonsynonymous differences in lysin and 18-kDa exons exceed nucleotide dif- ferences in introns by 3.5- to 24-fold.
机译:达尔文的强阳性选择作用于来自鲍鱼(Haliotis)的两种精子受精蛋白(溶素和18 kDa蛋白)。为了了解这种戏剧性分子进化的系统发育背景,我们获得了线粒体细胞色素C氧化酶亚基I(mtCOI)的序列,以及溶血素,18 kDa和G蛋白亚基的基因组序列。根据mtDNA的分化,在过去的200万年中,北太平洋的四个鲍鱼物种发生了分化(Myr),而北太平洋的其余物种在4-20 Myr的时间内发生了分化。赖氨酸和18-kDa外显子的种间非同义差异比内含子中的核苷酸差异超出3.5至24倍。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号