本发明属于动物育种学和细胞生物学领域，具体涉及一种Nanos2在鸡ESCs向雄性生殖细胞分化过程中功能验证的方法，包括Nanos2在鸡不同组织中的表达量检测、Nanos2克隆与pcDNA3.0‑Nanos2载体的构建、Nanos2敲除载体构建及敲除活性验证、体外Nanos2功能验证、体内Nanos2功能验证、Quantitative Real Time PCR(quantitative RT‑PCR)验证、细胞形态学观察及细胞免疫化学检测、流式细胞分析、石蜡切片及PAS染色。相对于现有技术，能够较快地在鸡生殖细胞水平完成Nanos2的功能验证。方法简单易行，可重复性强，在普通实验室即可进行。该方法大大提高了体外诱导鸡ESCs向雄性生殖细胞分化的效率。该方法大大提高了体内诱导鸡PGCs和SSCs的生成效率。
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