虎MHC ClassⅠ基因的克隆及测序

被引:3
作者
李慧一
马跃
徐艳春
机构
[1] 东北林业大学野生动物资源学院,国家林业局野生动植物保护重点开放实验室,国家林业局野生动植物检测中心
关键词
虎; 主要组织相容性复合体; MHC; ClassⅠ基因;
D O I
10.19711/j.cnki.issn2310-1490.2010.03.001
中图分类号
Q785 [转化及克隆];
学科分类号
摘要
根据猫的主要组织相容性复合体Ⅰ类分子cDNA序列设计PCR引物,从基因组上成功扩增并克隆了MHCClassⅠ基因片段,命名为TLA-A。该片段全长2 820 bp,包含MHC ClassⅠ分子基因约85%的长度,包括Exon 1部分序列、intron 1、exon 2、intron 2、exon 3、intron 3、exon 4、intron 4、exon 5、intron 5、exon 6、intron 6和exon 7部分序列。与其他物种的ClassⅠ基因相比,虎与家猫、猎豹、豹猫、大熊猫、狗、马、松鼠猴、人、黄猩猩等物种的同源性依次为93.4%、91.8%、87.3%、86.4%、85.1%、85.1%、84.6%、84.3%、83.7%,种间序列差异主要表现在exon 2、exon 3两个肽结合区。
引用
收藏
页码:115 / 120
页数:6
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