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Related Concept Videos

CRISPR/Cas9 Genome Editing01:28

CRISPR/Cas9 Genome Editing

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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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CRISPR01:59

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

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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...
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Updated: Dec 15, 2025

Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases
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Next-generation pathogen diagnosis with CRISPR/Cas-based detection methods.

Xinjie Wang1, Xiaoyun Shang2, Xingxu Huang3

  • 1Shanghai Institute for Advanced Immunochemical Studies, ShanghaiTech University, Shanghai, People's Republic of China.

Emerging Microbes & Infections
|July 10, 2020
PubMed
Summary
This summary is machine-generated.

CRISPR/Cas-based methods offer a promising alternative for rapid, cost-effective, and instrument-free pathogen detection. These advanced techniques address the limitations of traditional PCR methods, paving the way for improved diagnostics.

Keywords:
CRISPR-CasNucleic acid detectioninfection disease detectionpathogen diagnosticpoint-of-care testing

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Infectious Disease Diagnostics

Background:

  • Conventional nucleic acid pathogen detection, primarily PCR-based, faces limitations including high costs, complex equipment, and need for skilled personnel.
  • There is a critical need for sensitive, specific, rapid, cost-effective, and instrument-free pathogen detection methods.

Purpose of the Study:

  • To introduce CRISPR/Cas-based methods for pathogen detection.
  • To discuss the potential, challenges, and future prospects of CRISPR/Cas systems in this field.

Main Methods:

  • Review and discussion of CRISPR/Cas-based pathogen detection strategies.
  • Comparative analysis with conventional PCR-based techniques.

Main Results:

  • CRISPR/Cas systems present a novel approach with the potential to overcome limitations of current methods.
  • These systems offer a pathway towards sensitive, specific, rapid, and instrument-free pathogen identification.

Conclusions:

  • CRISPR/Cas-based methods hold significant promise for revolutionizing pathogen detection.
  • Further research and development are needed to address existing hurdles and fully realize their potential.