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侯 越, 吴应积, 罗奋华, 苏慧敏, 张学明, 张岩, 白音巴图, 刘陶迪. 2009: 绒山羊Scp3基因的克隆及睾丸中第一轮减数分裂的发生. 动物学研究, 30(3): 341-344. DOI: 10.3724/SP.J.1141.2009.03341
引用本文: 侯 越, 吴应积, 罗奋华, 苏慧敏, 张学明, 张岩, 白音巴图, 刘陶迪. 2009: 绒山羊Scp3基因的克隆及睾丸中第一轮减数分裂的发生. 动物学研究, 30(3): 341-344. DOI: 10.3724/SP.J.1141.2009.03341
HOU Yue, WU Ying-ji, LUO Fen-hua, SU Hui-min, ZHANG Xue-ming, ZHANG Yan, BAI Yin-ba-tu, LIU Tao-di. 2009: Cloning of Cashmere Goat Scp3 Gene and Determining the First Round Meiosis in the Testes. Zoological Research, 30(3): 341-344. DOI: 10.3724/SP.J.1141.2009.03341
Citation: HOU Yue, WU Ying-ji, LUO Fen-hua, SU Hui-min, ZHANG Xue-ming, ZHANG Yan, BAI Yin-ba-tu, LIU Tao-di. 2009: Cloning of Cashmere Goat Scp3 Gene and Determining the First Round Meiosis in the Testes. Zoological Research, 30(3): 341-344. DOI: 10.3724/SP.J.1141.2009.03341

绒山羊Scp3基因的克隆及睾丸中第一轮减数分裂的发生

Cloning of Cashmere Goat Scp3 Gene and Determining the First Round Meiosis in the Testes

  • 摘要: 联会复合体蛋白3(synaptonemal complex protein 3, Scp3)是雄性生殖细胞减数分裂中联会复合体形成必需的组成部分,在哺乳动物生殖细胞减数分裂中具有重要功能。通过RT-PCR扩增和分子克隆的方法首次克隆到了绒山羊Scp3基因的编码区片段。测序结果表明,绒山羊与牛的Scp3基因编码序列同源率达到98%。根据测得的DNA序列,设计引物,用RT-PCR方法分析测定了青春前期绒山羊不同个体中睾丸组织的Scp3的转录表达。结果显示,雄性绒山羊青春前期睾丸发育存在个体差异,已分析的样品第一轮减数分裂发生的时间普遍为73天之后。这一结果为绒山羊的睾丸发育和精子发生过程的相关研究打下了基础。

     

    Abstract: The synaptonemal complex protein 3 (Scp3) plays a crucial role in synaptonemal complex formation and male germ cells meiosis. Until now, no studies on goat Scp3 have been reported. In present study, we cloned the Cashmere goat Scp3 cDNA using RT-PCR and molecular cloning techniques. The Scp3 sequence of Cashmere goat showed 98% identity with that of bovine. Primers were designed according to the sequence we got and RT-PCR was performed to analyze the expression of Scp3 in prepubertal Cashmere goat testes. The results showed that the testes development in prepubertal goat varies in different animals, and the first round of meiosis in analyzed Cashmere goat testes occurs mostly after 73 days after birth.

     

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