转录基因组学和表观基因组学的结合识别了参与小鼠胚胎尾巴发育的基因和调控元素
Yong-Xuan Chen1,2, Xiu-Ping Zhang1, David N Cooper3
1State Key Laboratory of Genetic Resources and Evolution, Kunming Natural History Museum of Zoology, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650201, China.
BMC biology
|March 27, 2025
概括
研究人员在小鼠胚胎尾巴发育过程中分析了基因表达和调节元素. 这项研究确定了新型基因和对尾巴形成至关重要的 cis 调节元素,为脊椎动物的发育提供了洞察力.
科学领域:
- 发展生物学 发展生物学
- 基因组学就是基因组学.
- 进化生物学 进化生物学
背景情况:
- 后尾是一种保留的脊椎动物特征,具有多样化的表型.
- 胚胎尾巴的发育涉及复杂的遗传调节.
- 尾巴发育中的Cis-regulatory元素 (CREs) 仍然没有得到充分的研究.
研究的目的:
- 系统地研究脊椎动物/哺乳动物尾巴发育中的 cis 调节元件 (CREs).
- 在胚胎尾巴形态发生过程中对动态转录组和CREs进行分析.
- 识别尾巴发育中的新型分子特征和调节影响.
主要方法:
- 在小鼠中利用高通量测序.
- 配置的动态转录组和CREs,标志着活性基因组修饰.
- 进行了时间和空间差异分析.
主要成果:
- 确定了特定于尾巴发育的基因及其假定CREs.
- 发现了非编码基因 (例如长非编码RNA基因) 的新型分子表达特征和调节作用.
- 生成了多omics数据集,为尾巴形态发生中的信号通路 (Fgf,Wnt) 提供遗传线索.
结论:
- 提供了对脊椎动物/哺乳动物尾巴形成的遗传机制的新见解.
- 为未来关于尾巴发育的研究提供基本数据集.
- 强调CREs和非编码元素在发展过程中的重要性.
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