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基因组扫描用于印度红色辛迪牛的多样性和选择特征

Sonali Sonejita Nayak¹, Manjit Panigrahi², Divya Rajawat¹

¹Division of Animal Genetics, Indian Veterinary Research Institute, Izatnagar, Bareilly, UP, 243122, India.

Mammalian genome : official journal of the International Mammalian Genome Society

|October 10, 2025

概括

红辛迪牛基因组学揭示了显著的适应和选择特征. 这种乳品品种在具有挑战性的环境中表现出性和牲畜改善潜力,突出了保护需求.

科学领域:

动物遗传学和动物基因组学
畜牧养殖和遗传学畜牧养殖和遗传学
保护遗传学保护遗传学

背景情况:

红色辛迪牛是一种重要的印度乳品品种,以热带适应性和高牛奶产量而闻名.
了解它们的遗传多样性和适应机制对于品种改进和保护至关重要.

研究的目的:

为了调查全基因组的多样性,并确定红色辛迪牛的积极选择的签名.
确定与适应,产生和免疫反应相关的基因.

主要方法:

在96个个体上进行双消化限制部位相关的DNA测序 (ddRADseq).
对单核酸多态 (SNP),核酸多样性和小等位基频率的分析.
选择签名检测方法的应用,包括塔吉马的D,CLR,iHS和ROH.

主要成果:

高SNP多态 (0.956) 和中等的核酸多样性 (π=0.215).
实际种群大小 (Ne) 在13代内显著下降,这表明潜在的瓶.
鉴定了490个被积极选择的基因组区域,其中包含与繁殖,生产,免疫力和耐热应激性相关的基因.

结论:

红色辛迪牛具有强大的遗传适应性和抗病能力,由免疫和应激反应基因的选择特征证明.
该品种的遗传结构支持其非凡的耐热性和强大的免疫能力.
研究结果强调了红辛迪牛作为在恶劣气候条件下畜牧业发展的宝贵遗传资源的重要性,并强调了保护的必要性.

关键词:

牛群是牛群,牛群就是牛群.进化进化进化进化进化进化进化遗传多样性遗传多样性红色辛迪语辛迪语选择签名选择签名 ddRADseqqq 的意思

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