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Related Concept Videos

CRISPR/Cas9 Genome Editing01:28

CRISPR/Cas9 Genome Editing

72
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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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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Related Experiment Video

Updated: Jul 23, 2025

Author Spotlight: Development of Simplified CRISPR-Based Tests for Rapid Detection of Infectious Diseases
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Point-of-Care Testing for Infectious Diseases Based on Class 2 CRISPR/Cas Technology.

Shiu-Jau Chen1,2, Chung-I Rai3,4, Shao-Cheng Wang5,6

  • 1Department of Neurosurgery, Mackay Memorial Hospital, Taipei 10449, Taiwan.

Diagnostics (Basel, Switzerland)
|July 14, 2023
PubMed
Summary
This summary is machine-generated.

CRISPR/Cas systems offer a promising new avenue for rapid, accurate, and portable infectious disease diagnostics. These point-of-care testing (POCT) methods, utilizing Cas12 and Cas13, aim to overcome limitations of current diagnostic approaches.

Keywords:
CRISPRCas12aCas13Cas9DETECTRLODSHERLOCK

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Area of Science:

  • Molecular Biology
  • Biotechnology
  • Infectious Disease Diagnostics

Background:

  • Early detection of infectious diseases is crucial for treatment and control.
  • Current methods like nucleic acid testing and antigen-antibody assays have limitations in speed, cost, accuracy, or portability.
  • There is a need for rapid, accurate, and accessible point-of-care testing (POCT) for infectious diseases.

Purpose of the Study:

  • To detail and discuss CRISPR/Cas-based detection methods for infectious diseases.
  • To highlight the potential of class 2 CRISPR/Cas assays (Cas12, Cas13) for POCT.
  • To explore perspectives, applications, and limitations of CRISPR/Cas in POCT.

Main Methods:

  • Review of CRISPR/Cas-based detection technologies, focusing on class 2 systems (Cas12, Cas13).
  • Analysis of the suitability of these systems for point-of-care testing (POCT) applications.
  • Discussion of current advancements and challenges in CRISPR/Cas for infectious disease diagnostics.

Main Results:

  • CRISPR/Cas systems demonstrate significant potential for developing advanced diagnostic tools.
  • Class 2 CRISPR/Cas assays show promise for accurate, sensitive, and rapid infectious disease detection at the point of care.
  • CRISPR/Cas technology offers a pathway to overcome the drawbacks of existing diagnostic methods.

Conclusions:

  • CRISPR/Cas-based methods are poised to revolutionize infectious disease diagnostics, enabling effective POCT.
  • Further research and development are needed to address current limitations and fully realize the clinical potential of CRISPR/Cas POCT.
  • These technologies offer a versatile platform for future diagnostic tool development.