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相关概念视频

CRISPR01:59

CRISPR

48.8K
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...
48.8K

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相关实验视频

Updated: May 23, 2025

A Rapid and Facile Pipeline for Generating Genomic Point Mutants in C. elegans Using CRISPR/Cas9 Ribonucleoproteins
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使用基于核糖蛋白的CRISPR/Cas12a系统进行丝虫突变发生.

Yunlong Zou1, Aijun Ye1, Meixin Dong1

  • 1State Key Laboratory of Resource Insects, Key Laboratory of Sericultural Biology and Genetic Breeding, Ministry of Agriculture and Rural Affairs, College of Sericulture, Textile and Biomass Sciences, Southwest University, Chongqing, China.

Insect biochemistry and molecular biology
|May 21, 2025
PubMed
概括
此摘要是机器生成的。

研究人员开发了一个CRISPR/Cas12a系统用于丝虫基因组编辑. 这种新工具成功地产生了基因突变,并为现有的CRISPR/Cas9方法提供了一个有价值的替代品,用于丝虫研究.

关键词:
这就是CRISPR/Cas12a.这就是CRISPR/Cas9的作用.切割的效率 切割的效率基因编辑 基因编辑丝虫是一种丝虫.

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CRISPR/Cas9 Editing of the C. elegans rbm-3.2 Gene using the dpy-10 Co-CRISPR Screening Marker and Assembled Ribonucleoprotein Complexes.
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CRISPR/Cas9 Editing of the C. elegans rbm-3.2 Gene using the dpy-10 Co-CRISPR Screening Marker and Assembled Ribonucleoprotein Complexes.

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Construction of Homozygous Mutants of Migratory Locust Using CRISPR/Cas9 Technology
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相关实验视频

Last Updated: May 23, 2025

A Rapid and Facile Pipeline for Generating Genomic Point Mutants in C. elegans Using CRISPR/Cas9 Ribonucleoproteins
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CRISPR/Cas9 Editing of the C. elegans rbm-3.2 Gene using the dpy-10 Co-CRISPR Screening Marker and Assembled Ribonucleoprotein Complexes.
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CRISPR/Cas9 Editing of the C. elegans rbm-3.2 Gene using the dpy-10 Co-CRISPR Screening Marker and Assembled Ribonucleoprotein Complexes.

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Construction of Homozygous Mutants of Migratory Locust Using CRISPR/Cas9 Technology
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科学领域:

  • 遗传学 是一个遗传学.
  • 分子生物学分子生物学
  • 发展生物学 发展生物学

背景情况:

  • 在丝虫研究中,CRISPR/Cas9是一种流行的基因组编辑工具.
  • Cas12a系统是一个有前途的替代方案,但尚未在丝虫体内进行体内特征.

研究的目的:

  • 建立和描述基于核糖蛋白的CRISPR/Cas12a系统,用于丝虫的体内基因组编辑.
  • 为了比较CRISPR/Cas12a与丝虫中的CRISPR/Cas9的效率.
  • 证明CRISPR/Cas12a的应用用于产生遗传突变和观察表型.

主要方法:

  • 建立了一个基于核糖蛋白的CRISPR/Cas12a系统.
  • 利用19个crRNA和17个sgRNA在体内准三个不同的基因.
  • 将Cas12a活动与Cas9.9活动进行比较.
  • 评估了温度 (37°C与25°C) 对Cas12a活性的影响.
  • 针对FibH和mp基因产生突变.

主要成果:

  • 与CRISPR/Cas9.9相比,CRISPR/Cas12a产生突变的效率不那么高.
  • 通过使用Cas12a.成功生成了可传播的indels.
  • 产生了FibH和mp基因的突变,具有预期的表型.
  • 证明了温度对Cas12a活动的目标依赖性影响.

结论:

  • 在丝虫中建立了一个基于核糖核蛋白的功能CRISPR/Cas12a系统.
  • 在丝虫基因组编辑方面,CRISPR/Cas12a是CRISPR/Cas9的实际替代品.
  • 这个系统扩展了可用于丝虫研究的基因组编辑工具.