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相关概念视频

Ribosome Profiling02:24

Ribosome Profiling

4.1K
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...
4.1K

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Global Identification of Co-Translational Interaction Networks by Selective Ribosome Profiling
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一个简单,快速和经济高效的协议,用于超敏感的核糖体分析.

Jiří Koubek1, Katharina Jetzinger1, Shiran Dror1

  • 1Center for Molecular Biology of Heidelberg University (ZMBH) and German Cancer Research Center (DKFZ), DKFZ-ZMBH Alliance, Heidelberg, 69120, Germany.

Nucleic acids research
|September 18, 2025
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概括

我们开发了一种具有成本效益的核糖体分析方法,使用珠合反应. 这种超敏感的协议提高了信使RNA (mRNA) 翻译研究的产量和吞吐量,即使RNA输入最小.

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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.
  • 生物化学 生物化学

背景情况:

  • 在研究信使RNA (mRNA) 在子分辨率上的翻译方面,核糖体造型是至关重要的.
  • 目前的方法受到劳动强度,低效率和高成本的限制.
  • 需要更容易获得和更有效的核糖体分析技术.

研究的目的:

  • 介绍一种用于核糖体分析的新,成本效益高,超敏感的图书馆准备方法.
  • 为了提高核糖体分析工作流程的产量,吞吐量和可重复性.
  • 将核糖体分析的适用性扩展到最小的输入样本.

主要方法:

  • 用于图书馆准备的珠合酶反应的实施.
  • 利用产品净化来提高产量和吞吐量.
  • 用最少12 fmol的RNA测试了协议.

主要成果:

  • 实现了显著增加的产量和吞吐量,具有高可重复性.
  • 证明了超灵敏度,使得可从最小的RNA输入 (12 fmol) 来进行核糖体概况.
  • 验证了该协议在多种物种的多功能性以及用于RNA测序库的准备.

结论:

  • 开发的协议为核糖体分析提供了一个高度可访问和高效的替代方案.
  • 在具有挑战性的实验环境中促进核糖体概况,包括小细胞群和患者样本.
  • 推进了对mRNA翻译的研究,具有编码级分辨率.