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相关概念视频

CRISPR/Cas9 Genome Editing01:28

CRISPR/Cas9 Genome Editing

78
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...
78
CRISPR and crRNAs02:53

CRISPR and crRNAs

17.1K
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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相关实验视频

Updated: Jul 27, 2025

Indel Detection following CRISPR/Cas9 Mutagenesis using High-resolution Melt Analysis in the Mosquito Aedes aegypti
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Indel Detection following CRISPR/Cas9 Mutagenesis using High-resolution Melt Analysis in the Mosquito Aedes aegypti

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基于CRISPR的诊断可以检测入侵的昆虫害虫.

Pathour R Shashank1,2, Brandon M Parker1,3,4, Santosh R Rananaware5

  • 1McGuire Center for Lepidoptera and Biodiversity, Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA.

bioRxiv : the preprint server for biology
|June 9, 2023
PubMed
概括
此摘要是机器生成的。

一个新的基于CRISPR的诊断工具使用CO1基因准确识别动物物种. 这种快速,无实验室的方法为检测入侵性害虫提供了高灵敏度,并彻底改变了生物监测.

关键词:
克里斯普尔是什么意思?克里斯普尔是什么意思?这就是Cas12a.凯菲里亚 (Keiferia lycopersicella) 是一种的植物.弗托里马亚是绝对的在 RPA RPA 中使用.斯克罗比帕尔巴 (Scrobipalpa atriplicella) 是一种状的小虫.完全绝对的绝对.诊断 诊断 诊断 诊断 诊断遗传鉴定 遗传鉴定 遗传鉴定叶子矿工 叶子矿工

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Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases
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Digital-Droplet PCR to Detect Indels Mutations in Genetically Modified Anopheline Mosquito Populations
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相关实验视频

Last Updated: Jul 27, 2025

Indel Detection following CRISPR/Cas9 Mutagenesis using High-resolution Melt Analysis in the Mosquito Aedes aegypti
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Digital-Droplet PCR to Detect Indels Mutations in Genetically Modified Anopheline Mosquito Populations
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科学领域:

  • 分子生物学分子生物学
  • 遗传学 遗传学 是一个
  • 生态生态学 生态生态学

背景情况:

  • 快速识别有机体对于生态监测,疾病诊断和害虫控制至关重要.
  • 现有的方法可能很慢,需要实验室设置,缺乏灵敏度.

研究的目的:

  • 开发和验证一种基于CRISPR的诊断试验,针对细胞氧化酶1 (CO1) 基因进行普遍的动物检测.
  • 评估对三种具有全球意义的入侵性害虫的试验有效性.

主要方法:

  • 开发了一种CRISPR诊断试验,利用通用CO1基因,这是动物中高度测序的标记物.
  • 结合复合酶聚合酶放大 (RPA) 与CRISPR用于增强信号生成.
  • 在三个入侵性物种上进行了测试:Keiferia lycopersicella,Phthorimaea absoluta和Scrobipalp atriplicella.

主要成果:

  • 在识别所有三种测试的蝶物种中实现了100%的准确性.
  • 已经证明了高灵敏度,对于P. absoluta.来说,检测极限低至120 fM.
  • 与实时PCR方法相比,该测试显示出更高的灵敏度.

结论:

  • 这种CRISPR-CO1方法为动物检测和监测提供了一种革命性的,高度准确和易于使用的方法.
  • 潜在的应用范围包括生态研究,入侵物种管理和疾病监测.
  • CO1基因的普遍性使其在整个动物王国中广泛适用.