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相关概念视频

RNA Interference01:23

RNA Interference

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RNA interference (RNAi) is a process in which a small non-coding RNA molecule blocks the post-transcriptional expression of a gene by binding to its messenger RNA (mRNA) and preventing the protein from being translated.
This process occurs naturally in cells, often through the activity of genomically-encoded microRNAs. Researchers can take advantage of this mechanism by introducing synthetic RNAs to deactivate specific genes for research or therapeutic purposes. For example, RNAi could be used...
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相关实验视频

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Real-time Imaging of Single Engineered RNA Transcripts in Living Cells Using Ratiometric Bimolecular Beacons
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一个基于工程设计的,双组件导向RNA的分子近距离传感器.

Junhong Choi1,2, Wei Chen1,3, Hanna Liao1,4

  • 1Department of Genome Sciences, University of Washington, Seattle, United States.

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|February 12, 2025
PubMed
概括

我们开发了P3编辑,这是一种将蛋白质接近与CRISPR-Cas9基因组编辑联系起来的新方法. 这允许精确控制活细胞内的合成生物学电路中的基因编辑.

关键词:
这就是CRISPR-Cas.遗传学 遗传学 遗传学 是一个基因组编辑 基因组编辑基因组学就是基因组学.人类 人类 人类 人类 人类 人类 人类分子记录的分子记录.蛋白质与蛋白质的相互作用合成生物学 合成生物学

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相关实验视频

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科学领域:

  • 合成生物学 合成生物学
  • 分子生物学分子生物学
  • 基因组工程是基因组工程.

背景情况:

  • 合成生物学旨在在细胞中创建可编程的分子电路.
  • 像CRISPR-Cas9这样的基因组编辑工具对于这些电路至关重要.
  • 控制基因组编辑与分子事件,如蛋白质相互作用是具有挑战性的.

研究的目的:

  • 开发一种新的策略来编程基因组编辑,使用蛋白质与蛋白质的近距离.
  • 为了提高基于CRISPR-Cas9的基因组编辑的可控性,用于合成生物学应用.

主要方法:

  • 通过对CRISPR-Cas9双元导向RNA进行工程,开发了"P3编辑".
  • 链接的蛋白质与蛋白质的近距离以指导RNA的形成.
  • 在人类细胞中使用已知和化学诱导的蛋白相互作用激活了原始编辑和基编辑.

主要成果:

  • 经过证明的P3编辑激活了基于CRISPR-Cas9的prime和base编辑.
  • 通过各种蛋白质-蛋白质相互作用和化学诱导的二分化,展示了控制.
  • 探索了与RNA传感器进行RNA诱导基因组编辑的集成.

结论:

  • P3编辑增强了基因组编辑的可编程性和可控制性.
  • 这一战略促进了复杂的合成分子电路的开发.
  • 能够在活细胞内进行精确的,特定条件的基因组修改.