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相关概念视频

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Ribosome Profiling

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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...
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RNA sequencing, or RNA-Seq, is a high-throughput sequencing technology used to study the transcriptome of a cell. Transcriptomics helps to interpret the functional elements of a genome and identify the molecular constituents of an organism. Additionally, it also helps in understanding the development of an organism and the occurrence of diseases. 
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相关实验视频

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乌利-史诗:从超低输入样本中分析RNA修饰.

Weizhi He1, Chu Xu1, Wen Chen2

  • 1Cancer Institute, Fudan University Shanghai Cancer Center, Department of Oncology, Shanghai Key Laboratory of Medical Epigenetics, International Laboratory of Medical Epigenetics and Metabolism, Ministry of Science and Technology, Institutes of Biomedical Sciences, Shanghai Medical College, Fudan University, Shanghai, 200032, China.

Genome biology
|November 11, 2025
PubMed
概括

我们开发了Uli-epic,这是一种低输入RNA方法,用于分析诸如伪乌里丁 (Ψ) 和m6A.A.等表体转录组修饰. 这种技术需要最小的RNA,使神经干细胞和精子中的敏感检测成为可能.

关键词:
一个BID-seqq.胎儿生长限制 胎儿生长限制格洛里·格洛里·格洛里 格洛里·格洛里线性放大线性放大线性放大线在M6A中,它是M6A.这是一部超级史诗.超低输入的输入非常低.这就是 Ψ Ψ Ψ Ψ.

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科学领域:

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

背景情况:

  • 对于RNA修饰的高通量测序方法通常需要大量的RNA数量.
  • 现有协议中的苛刻化学处理限制了它们对珍贵或有限样品的适用性.

研究的目的:

  • 推出Uli-epic,这是一个创新的图书馆建设策略,用于低输入的表谱分析.
  • 为了使RNA修饰的敏感检测,使用皮克克拉姆到纳米克拉姆数量的RNA.

主要方法:

  • 一个史诗般的图书馆建设策略.
  • 用BID-seq (依赖生物) 和GLORI (基于瓜结合) 测试来检测RNA修饰.
  • 在神经干细胞和来自小鼠模型的精子RNA中应用.

主要成果:

  • Uli-epic能够使用100 pg到1 ng的RNA进行表体转录分析.
  • 在神经干细胞和精子中研究了伪尤里丁 (Ψ) 位点,使用Uli-epic BID-seq与500 pg的RNA.
  • 在神经干细胞和精子中使用Uli-epic GLORI用10 ng的RNA量化了m6A修饰.

结论:

  • Uli-epic显著降低了用于表观转录学分析的RNA输入要求.
  • 该方法有助于研究敏感细胞类型和条件中的RNA修饰,例如胎儿生长限制.
  • Uli-epic提供了一个通用的平台,以有限的RNA样本推进表观转录学研究.