对水牛中可转移元素的比较基因组和转录组分析确定了丸和肌肉发育的关键短间隔元素衍生的基因
Qing Liu1, Zhenghui Ni1, Bo Yu1
1Laboratory of Genetic Breeding, Reproduction and Precision Livestock Farming & Hubei Provincial Center of Technology Innovation for Domestic Animal Breeding, School of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan 430023, China.
Journal of dairy science
|July 10, 2025
概括
研究人员创建了一个全面的牛可转移元素 (TE) 库,识别了超过46,000种独特的元素. 这些遗传成分显著影响水牛基因组结构和功能,其中一些在组织发育中发挥关键作用.
科学领域:
- 基因组学就是基因组学.
- 分子生物学分子生物学
- 生物信息学是一种生物信息学.
背景情况:
- 可转移元素 (TE) 对真核生物基因组结构和功能至关重要.
- 缺少对水牛TE及其转录组影响的全面描述.
研究的目的:
- 为buffalo.te建立一个全面的泛TE图书馆.
- 描述水牛TE的基因组分布和转录基因组活动.
- 探索在水牛中TE衍生的基因的功能性作用.
主要方法:
- 从七个水牛基因组 (河流和沼泽品种) 构建了一个泛TE图书馆.
- 识别和量化唯一,核心和可变的TE元素.
- 分析TE分布,超级家族 (LINE,SINE,LTR,DNA) 和基因组位置.
- 转录组分析以评估TE衍生基因在组织中的表达.
- 同表达网络分析以确定功能枢纽基因.
主要成果:
- 确定了46,389个独特的TE库,覆盖了水牛基因组的33.53%.
- LINE,SINE和LTR超级家族最为丰富,表现出明显的染色体模式.
- 首选位于基因区域的TEs,与DNA和LTR转子在内子中.
- 来自TE的基因表现出组织特异性表达,特别是在体质和体质组织中.
- 鉴定出SINE衍生的枢纽基因对丸和肌肉发育至关重要.
结论:
- 该研究建立了一个全面的水牛泛TE图书馆,是TE研究的宝贵资源.
- 雄鹿TE是丰富的和积极转录,影响基因调节和组织功能.
- 这项工作为未来研究转子子动力学及其在水牛遗传学和繁殖中的作用提供了基础的见解.
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