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当前位置: 首页 > 文章 > 中华鳖肾脏ACE2基因克隆及其遗传进化分析 畜牧与兽医 2011,43 (4) 22-25
Position: Home > Articles > Cloning and phylogenetic analysis of ACE2 gene in the kidney of the soft-shelled turtle,Pelodiscus sinensis Animal Husbandry & Veterinary Medicine 2011,43 (4) 22-25

中华鳖肾脏ACE2基因克隆及其遗传进化分析

作  者：
徐春生;姚一琳;杨平;JAMEEL Ahmed Gandahi;包慧君;卞勋光;邬丽;陈秋生
单  位：
南京农业大学动物医学院
关键词：
中华鳖;肾脏;ACE2;遗传进化
摘  要：
血管紧张素转换酶2(ACE2)为肾脏水盐代谢的重要调控因子,其通过调节肾脏局部血流量影响肾脏功能。为了证明爬行动物是否存在ACE2基因,本研究以中华鳖作为实验材料,应用RT-PCR方法扩增并克隆ACE2基因。结果表明,克隆的这段中华鳖ACE2序列长度为355 bp,与人、鸡和斑马鱼ACE2核苷酸序列的同源性分别达到70.3%、80%和65.1%,推导的氨基酸序列同源性分别为63.8%、79.3%和56.9%。表明中华鳖肾脏ACE2与鸡、人的ACE2均有较高的同源性,其中,与鸡的同源性最高。通过遗传进化分析发现,中华鳖肾脏ACE2与鸟类亲缘关系最近,符合物种进化理论。
译  名：
Cloning and phylogenetic analysis of ACE2 gene in the kidney of the soft-shelled turtle,Pelodiscus sinensis
作  者：
XU Chun-sheng1,2,YAO Yi-lin1,YANG Ping1,JAMEEL Ahmed Gandahi1,BAO Hui-jun1,BIAN Xun-guang1,WU Li1,CHEN Qiu-sheng1(1.College of Veterinary Medicine,Nanjing Agricultural University,Nanjing 210095,China;2.College of Animal Science & Technology,Shihezi University,Shihezi 832003,China)
关键词：
Pelodiscus sinensis;kidney;ACE2;phylogenetic analysis
摘  要：
Angiotensin-convertingenzyme 2(ACE2) is an important regulatory factor in salt and water metabolism of kidney,which can affect renal function by regulating the renal blood flow.According to the consensus sequence of ACE2 gene from human,zebrafish and chicken in GenBank,a pair of primers was designed.The total RNA was extracted from the kidney of Pelodiscus sinensis.ACE2 gene was amplified and identified by RT-PCR.ACE2 gene in soft-shelled turtle was 355 nucleotides in length.The sequence analysis showed 70.3%,80% and 65.1% of identities with those in human,chicken and zebrafish,respectively.The sequence similarities in amino acids were 63.8%,79.3% and 56.9%,respectively.The phylogenetic analysis showed that the renal ACE2 in the turtle were highly homologous to those of chicken and human,whereas showed the highest homology with that of chicken.It suggested that ACE2 of turtle has the closest relationship with the birds,which is consistent with the evolution theory of species.

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