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骨形态发生蛋白2(BMP2)基因在内蒙古绒山羊皮肤毛囊发育不同时期的表达

DOI: 10.7668/hbnxb.2008.02.025, PP. 110-113

Keywords: BMP2基因,毛囊,原位杂交,荧光实时定量PCR,表达

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Abstract:

为探讨调节内蒙古绒山羊皮肤毛囊发育相关基因及其作用机理,采用原位杂交和荧光实时定量PCR方法对BMP2基因在内蒙古绒山羊皮肤毛囊中的表达情况进行了检测,分析了其可能的作用方式。原位杂交结果表明,该基因在内蒙古绒山羊皮肤毛囊发育休止期毛干周围有强烈的表达信号,在兴盛期不表达;荧光实时定量PCR结果显示,该基因在休止期皮肤毛囊的表达量是兴盛期的27.8倍。综合上述试验结果,推测BMP2基因在毛囊发育过程中主要起抑制毛囊生长发育、维持毛囊处于休止期的作用,且可能参与新一轮的毛囊重建,因此,可将BMP2基因作为绒山羊育种过程中提高其产绒量的一个潜在的分子靶点。

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