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相关概念视频

CRISPR and crRNAs02:53

CRISPR and crRNAs

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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...
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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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Homologous Recombination02:31

Homologous Recombination

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The basic reaction of homologous recombination (HR) involves two chromatids that contain DNA sequences sharing a significant stretch of identity. One of these sequences uses a strand from another as a template to synthesize DNA in an enzyme-catalyzed reaction. The final product is a novel amalgamation of the two substrates. To ensure an accurate recombination of sequences, HR is restricted to the S and G2 phases of the cell cycle. At these stages, the DNA has been replicated already and the...
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相关实验视频

Updated: Jun 6, 2025

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

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工程刺激响应CRISPR-Cas系统用于多功能生物传感.

Linxin Cao1, Wenhui Chen1, Wenyuan Kang2

  • 1State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan Provincial Key Laboratory of Biomacromolecular Chemical Biology, Hunan University, Changsha, 410082, Hunan, China.

Analytical and bioanalytical chemistry
|November 27, 2024
PubMed
概括
此摘要是机器生成的。

工程CRISPR-Cas系统为生物传感提供精确的目标识别. 这些系统可以修改以检测各种非核酸分析物,增强诊断能力.

关键词:
生物感应是一种生物感应.这就是CRISPR-Cas.功能性核酸是一种功能性核酸.蛋白质工程是一种蛋白质工程.

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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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Rapid and Specific Detection of Acinetobacter baumannii Infections Using a Recombinase Polymerase Amplification/Cas12a-based System
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Rapid and Specific Detection of Acinetobacter baumannii Infections Using a Recombinase Polymerase Amplification/Cas12a-based System

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Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases
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Rapid and Specific Detection of Acinetobacter baumannii Infections Using a Recombinase Polymerase Amplification/Cas12a-based System
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Rapid and Specific Detection of Acinetobacter baumannii Infections Using a Recombinase Polymerase Amplification/Cas12a-based System

Published on: April 25, 2025

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科学领域:

  • 生物技术和生物传感技术
  • 分子生物学分子生物学
  • 生物工程是生物工程.

背景情况:

  • 克里斯普尔-卡斯系统以其精确的目标识别和信号放大在生物传感方面而闻名.
  • 现有的CRISPR-Cas系统正在为刺激响应功能进行工程设计.
  • 用蛋白质和核酸工程技术来创建有条件的CRISPR-Cas系统.

研究的目的:

  • 审查工程CRISPR-Cas系统的最新进展,用于刺激响应生物传感.
  • 总结一下条件CRISPR-Cas系统用于检测非核酸分析物的发展.
  • 讨论刺激响应CRISPR-Cas系统在生物传感中的挑战和未来前景.

主要方法:

  • 工程 Cas 蛋白质,以整合刺激响应元素.
  • 导向RNA (gRNA) 的修改以实现目标分析物依赖活性.
  • 基质核酸的设计具有分析剂响应特征.

主要成果:

  • 通过特定的目标触发器激活的多种条件CRISPR-Cas系统的开发.
  • 使用工程CRISPR-Cas系统,展示了各种非核酸分析物的高效检测.
  • 在关键的CRISPR-Cas生物组件中建立分析剂响应能力.

结论:

  • 工程CRISPR-Cas系统显示出用于多功能和敏感生物传感应用的巨大潜力.
  • 响应刺激的CRISPR-Cas系统为检测广泛的分析物提供了一个有前途的平台.
  • 对挑战和可能性的进一步研究将推动这项技术的未来.