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相关概念视频

Ribosome Profiling02:24

Ribosome Profiling

Ribosome profiling or ribo-sequencing is a deep sequencing technique that produces a snapshot of active translation in a cell. It selectively sequences the mRNAs protected by ribosomes to get an insight into a cell’s translation landscape at any given point in time.
Applications of ribosome profiling
Ribosome profiling has many applications, including in vivo monitoring of translation inside a particular organ or tissue type and quantifying new protein synthesis levels.
The technique helps...

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Accurate and Phenol Free DNA Sexing of Day 30 Porcine Embryos by PCR
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对甲基组和转录组进行全面分析,以确定调节猪丸发育的潜在基因.

Yue Feng1, Yu Zhang1, Junjing Wu1

  • 1Hubei Key Laboratory of Animal Embryo and Molecular Breeding, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan 430064, China.

International journal of molecular sciences
|August 29, 2024
PubMed
概括

这项研究揭示了猪丸发育中的关键DNA甲基化模式,识别了精子生成至关重要的基因. 研究结果强调了DNA甲基化如何调节丸发育期间的基因表达.

关键词:
通过DNA甲基化.在RNA-Seqq.这是WGBS的WGBS.猪类动物 猪类动物丸的发展 丸的发展

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科学领域:

  • 表观遗传学 在表观遗传学中,表观遗传学是指表观遗传学.
  • 生殖生物学 生殖生物学
  • 基因组学就是基因组学.

背景情况:

  • 基因甲基化对于丸发育中的基因表达调节至关重要.
  • 有限的研究存在于DNA甲基化在猪丸发育中的作用.

研究的目的:

  • 调查不同发育阶段的猪丸组织中的差异表达基因 (DEG) 和DNA甲基化水平.
  • 确定参与猪丸发育表观遗传调节的候选基因.

主要方法:

  • 使用了RNA测序 (RNA-Seq) 和全基因组双硫酸盐测序 (WGBS).
  • 分析的重点是细胞因子-瓜 (CG) 甲基化背景.
  • 对RNA-Seq和WGBS数据的综合分析确定了与基因表达相关的差异甲基化基因 (DMGs).

主要成果:

  • 确定了106,282个差异甲基化区域 (DMR) 和12,385个差异甲基化基因 (DMG).
  • 1083个DMG与DEG呈负相关性,富含精子生成和生殖细胞发育途径.
  • 突出了ADAM30,ADAM3A,YBX2 (通过高甲基化抑制) 和CACNA1I,CTNNB1,JAM2 (通过低甲基化激活) 等特定基因.

结论:

  • 基因甲基化显著影响猪丸发育期间的基因表达.
  • 识别的DMG提供了对控制精子生成的表观遗传调节机制的见解.
  • 这项研究为了解畜牧生殖中的表观遗传控制奠定了基础.