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相关概念视频

CRISPR01:59

CRISPR

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 Short...
CRISPR and crRNAs02:53

CRISPR and crRNAs

Bacteria and archaea are susceptible to viral infections just like eukaryotes; therefore, they have developed a unique adaptive immune system to protect themselves. Clustered regularly interspaced short palindromic repeats and CRISPR-associated proteins (CRISPR-Cas) are present in more than 45% of known bacteria and 90% of known archaea.
The CRISPR-Cas system stores a copy of foreign DNA in the host genome and uses it to identify the foreign DNA upon reinfection. CRISPR-Cas has three different...
CRISPR01:59

CRISPR

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 Short...
The Antiviral System of Bacteria and Archaea: CRISPR01:23

The Antiviral System of Bacteria and Archaea: CRISPR

CRISPR stands for Clustered Regularly Interspaced Short Palindromic Repeats is a adaptive immune system found in bacteria and archaea that protects against viral infections. This system enables prokaryotic cells to identify, remember, and neutralize foreign genetic elements, primarily bacteriophages, by storing fragments of the invader’s DNA as a genetic memory.The CRISPR immune response begins during an initial infection. Cas (CRISPR-associated) proteins play a central role in this defense.
CRISPR/Cas9 Genome Editing01:28

CRISPR/Cas9 Genome Editing

The CRISPR-Cas system serves as a bacterial defense mechanism against invading genetic elements such as viruses and plasmids, forming the foundation for its adaptation as a powerful genome-editing tool. Originally discovered in prokaryotes, this system has been repurposed to revolutionize genetic engineering across a wide range of organisms, including plants, animals, and humans. The core component, Cas9, is an endonuclease derived from Streptococcus pyogenes, capable of introducing...

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相关实验视频

Updated: May 14, 2026

Field-Deployable Candidatus Liberibacter asiaticus Detection Using Recombinase Polymerase Amplification Combined with CRISPR-Cas12a
09:03

Field-Deployable Candidatus Liberibacter asiaticus Detection Using Recombinase Polymerase Amplification Combined with CRISPR-Cas12a

Published on: December 23, 2022

2.6K

高通量和集成的CRISPR/Cas12a基于分子诊断使用深度学习启用微流体系统.

Li Zhang1, Huili Wang2, Sheng Yang2

  • 1School of Basic Medical Sciences, Tsinghua University, Beijing 100084, China.

ACS nano
|August 22, 2024
PubMed
概括
此摘要是机器生成的。

一个新的微流体系统,mutaSCAN,使用CRISPR/Cas12a.提供快速和超高通量检测SARS-CoV-2及其变体. 这种先进的分子诊断工具克服了广泛传播的病原体识别之前的局限性.

关键词:
这就是CRISPR/Cas12a系统.土耳其人 RT-LAMP这就是SARS-CoV-2病毒.深度学习是一种深度学习.有关关注的变种.

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Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases
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Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases

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相关实验视频

Last Updated: May 14, 2026

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DNA Virus Detection System Based on RPA-CRISPR/Cas12a-SPM and Deep Learning
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Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases
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科学领域:

  • 分子诊断学 分子诊断学
  • 这就是CRISPR技术.
  • 微流体学 微流体学

背景情况:

  • 基于CRISPR/Cas的诊断方法对快速检测病原体,包括SARS-CoV-2,显示出有前途.
  • 目前的局限性包括低吞吐量,集成挑战和复杂的试剂制备,阻碍实际应用.

研究的目的:

  • 开发一种超高通量微流体系统,用于快速检测SARS-CoV-2及其变体.
  • 在产量和复杂性方面解决现有的基于CRISPR的诊断方法的局限性.

主要方法:

  • 开发了一种名为mutaSCAN的微流体多板系统.
  • 该系统集成了CRISPR/Cas12a与非提取RT-LAMP以及支持深度学习的原型设备.
  • 为了提高性能,使用了自主开发的试剂.

主要成果:

  • mutaSCAN系统在30分钟内在模拟样本中检测到SARS-CoV-2,其度低至250副本/毫升.
  • 实现了每轮高达96个样本的吞吐量.
  • 在临床试样中证明了高准确性:98%用于常规测试和100%用于突变测试,没有假阳性.

结论:

  • mutaSCAN系统为SARS-CoV-2和变种检测提供了快速,灵敏和高吞吐量解决方案.
  • 这项技术克服了实际,资源有限的分子诊断的关键障碍.
  • 该系统显示了传染病监测和突变跟踪的巨大潜力.