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Cloning and tissue expression of KAP3.2 gene in Tibetan sheep
Author(s): 
Pages: 809-813
Year: Issue:  6
Journal: Journal of Southwest University for Nationalities(Natrual Science Edition)

Keyword:  藏绵羊KAP3.2基因克隆序列分析Real-time PCR;
Abstract: 为研究藏绵羊角蛋白相关蛋白(KAP3.2)基因结构与功能,揭示该基因的组织特异性表达规律.以藏绵羊为研究对象,分别提取藏绵羊心、肝、脾、肾及皮肤组织中总RNA,并以此为模板,通过RT-PCR技术对藏绵羊KAP3.2基因的cDNA进行克隆、序列分析;利用Real-time PCR技术进行组织表达研究.结果表明:藏绵羊KAP3.2基因编码区全长297bp,编码98个氨基酸;藏绵羊与普通绵羊、山羊、藏羚羊、草原鼠、家鼠、人的相应核苷酸同源性分别为99%、97%、96%、79%、75%、73%;藏绵羊KAP3.2基因在皮肤中高表达,而在其它组织中相对表达量较低,说明该基因的表达具有组织特异性.
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