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在多个肠道组织中进行共识基因联合表达分析,以确定关键的基因和与肉腹部脂肪沉积相关的途径

S Wang¹, Y Liu¹, S Liu¹

¹College of Animal Science and Technology, Northeast Agricultural University, Harbin, Heilongjiang, China.

British poultry science

|October 28, 2024

概括

这项研究揭示了关键的肠道基因和与肉腹部脂肪沉积 (AFD) 相关的途径. 高脂肪肉中氧化酸化和蛋白酶基因的降低调节表明它们在AFD中的作用.

科学领域:

动物科学动物科学
基因组学就是基因组学.
分子生物学分子生物学

背景情况:

腹部脂肪沉积 (AFD) 受肠道组织功能的影响,但在 brojlers 中,跨多个肠道组织的综合转录组分析是有限的.
了解这些遗传和分子基础对于管理肉肥胖至关重要.

研究的目的:

在高 (HL) 和低腹部脂肪 (LL) 肉品种中,在四个肠道组织 (十二指肠,阴肠,阴肠,阴肠) 中构建共识基因共同表达网络.
通过整合转录组,功能丰富和差异性基因表达分析来识别与AFD相关的基因和生物途径.

主要方法:

一个共识基因共同表达网络是使用来自HL和LL肉线的公共转录组数据构建的.
功能性丰富和差异性基因表达分析在十二指肠,阴,阴茎和阴中进行.

主要成果:

氧化酸化和谷氨代谢途径 (例如,NDUFA5,GPX2) 的基因在HL鸟类中被下调,可能增加肠道透性和AFD.
还确定了其他与脂质代谢相关的基因 (例如,ALDH7A1).
在HL鸟类中观察到12个蛋白质体通路基因的显著下调,这表明蛋白质体功能和AFD之间存在联系.

结论:

肠道中的特定基因表达模式,特别是涉及氧化酸化,谷甲代谢和蛋白酶体通路,与肉的腹部脂肪沉积有关.
这些发现为调节AFD的分子机制提供了洞察力,并为遗传改进提供了潜在的目标.

关键词:

肠道肠道肠道在WGCNA中,WGCNA是WGCNA.腹部脂肪沉积腹部脂肪沉积 brojler 肉肉是一个肠道的通透性肠道的通透性

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