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Phylogeny and genetic diversity of Phrynocephalus przewalskii

LIU Chang-Jing ZHAO Wei ZHOU Rong LIU Nai-Fa

LIU Chang-Jing, ZHAO Wei, ZHOU Rong, LIU Nai-Fa. Phylogeny and genetic diversity of Phrynocephalus przewalskii. Zoological Research, 2012, (2): 127-132. doi: 10.3724/SP.J.1141.2012.02127
Citation: LIU Chang-Jing, ZHAO Wei, ZHOU Rong, LIU Nai-Fa. Phylogeny and genetic diversity of Phrynocephalus przewalskii. Zoological Research, 2012, (2): 127-132. doi: 10.3724/SP.J.1141.2012.02127

荒漠沙蜥遗传多样性的地理变异

doi: 10.3724/SP.J.1141.2012.02127
基金项目: 国家自然科学基金资助项目(41071031)
详细信息
  • 中图分类号: Q959.62; Q349.1; Q951.3

Phylogeny and genetic diversity of Phrynocephalus przewalskii

  • 摘要: 荒漠沙蜥(Phrynocephalus przewalskii)是一种进化地位至今存在争议的沙漠蜥蜴,该文基于12个不同地理种群119号荒漠沙蜥样本线粒体基因组ND2序列,在分析其系统进化历史的同时,研究了不同环境因素对其遗传多样性的影响。结果发现,12个地理种群聚类成3个明显的分枝,变色沙蜥(P.versicolor)和A枝处于与B、C两枝并列的位置。所调查种群的遗传多样性存在显著的地理变异,分析显示纬度、降雨和降雨变异对种群的遗传多样性都存在影响:随纬度升高、降雨增加,或降雨变异增加,种群遗传多样性均有下降趋势。推测纬度可能通过影响降雨和降雨变异对遗传多样性产生作用。
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出版历程
  • 收稿日期:  2011-12-15
  • 修回日期:  2012-02-15
  • 刊出日期:  2012-04-22

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