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相关概念视频

CRISPR01:59

CRISPR

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Genome editing technologies allow scientists to modify an organism’s DNA via the addition, removal, or rearrangement of genetic material at specific genomic locations. These types of techniques could potentially be used to cure genetic disorders such as hemophilia and sickle cell anemia. One popular and widely used DNA-editing research tool that could lead to safe and effective cures for genetic disorders is the CRISPR-Cas9 system. CRISPR-Cas9 stands for Clustered Regularly Interspaced...
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RNA Editing02:23

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RNA editing is a post-transcriptional modification where a precursor mRNA (pre-mRNA) nucleotide sequence is changed by base insertion, deletion, or modification. The extent of RNA editing varies from a few hundred bases, in mitochondrial DNA of trypanosomes, to a just single base, in nuclear genes of mammals. Even a single base change in the pre-mRNA can convert a codon for one amino acid into the codon for another amino acid or a stop codon. This type of re-coding can significantly affect the...
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Overview
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Because the DNA segments are cut and reorganized in a direction-specific manner, site-specific recombination has emerged as an efficient genetic engineering technique. Flippase and Cyclization recombinases or Flp and Cre, respectively, are two members of the tyrosine recombinase family derived from bacteriophages, that are used to mediate site-specific DNA insertions, deletions, and targeted expression of proteins in mammalian cell lines.
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Updated: May 21, 2025

Enhanced Genome Editing with Cas9 Ribonucleoprotein in Diverse Cells and Organisms
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在人类细胞中使用可编程基因编辑器进行基因组编辑.

Nicola R B Osgood1, Natalie M Zawalick1, Courtney B Sawyer2

  • 1Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA, United States.

Methods in enzymology
|March 22, 2025
PubMed
概括
此摘要是机器生成的。

本指南简化了选择基因编辑器和设计指导RNA (gRNA) 进行精确的基因组编辑. 它提供了生成gRNA等离子体,细胞传染和评估编辑效率的实用方法,帮助研究人员在这个快速发展的领域.

关键词:
亚丁酸基编辑器 (ABE)编辑基础编辑细胞质基编辑器 (CBE)电穿孔是一种电子穿孔.光激活细胞分类 (FACS) 是指通过光激活细胞分类.导向RNA (gRNA) 设计指南高吞吐量测序 (HTS) 是一种高吞吐量测序.在 IPSC 基础编辑.异构性细胞系的产生是异构性的.下一代测序 (NGS) 是指下一代的测序.单细胞分类单细胞分类转化 转化 转化 转化在gRNA合成过程中.

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科学领域:

  • 分子生物学分子生物学
  • 遗传学 是一个遗传学.
  • 生物技术是生物技术.

背景情况:

  • 基因组编辑技术迅速发展,扩大了基因工程的工具包.
  • 基编辑器提供了一种精确的方法,可以在不诱导双链DNA断裂的情况下引入单核酸变化.

研究的目的:

  • 为特定的基因组工程需求选择合适的基因编辑器提供明确的指导.
  • 详细设计和生成有效的指导RNAs (gRNAs) 用于基编辑应用.
  • 为哺乳动物细胞的基编辑提供实用协议,包括转染和效率评估.

主要方法:

  • 对于各种基础编辑系统的选择标准.
  • 指导RNA (gRNA) 设计原则和等离子体生成协议.
  • 哺乳动物细胞转染技术和基编辑效率评估方法.

主要成果:

  • 基于实验要求选择合适的基础编辑器的结构化方法.
  • 关于gRNA构造和传递的详细协议.
  • 优化转换和准确测量基础编辑结果的方法.

结论:

  • 本资源旨在为研究人员揭开基础编辑器选择和应用的神秘性.
  • 有效的gRNA设计和优化的实验程序对于成功的基准编辑至关重要.
  • 该指南为基础编辑实验中常见的挑战提供了实际的解决方案和故障排除建议.