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CRISPR and crRNAs

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...

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Related Experiment Video

Updated: May 11, 2026

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

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

Published on: December 23, 2022

Trends in developing one-pot CRISPR diagnostics strategies.

Lin Chen¹, Menglu Hu¹, Xiaoming Zhou²

¹School of Life sciences, South China Normal University, Guangzhou 510631, P. R. China.

Trends in Biotechnology

|August 2, 2024

Summary

This summary is machine-generated.

This review explores one-pot CRISPR assays, a novel approach combining nucleic acid amplification (NAA) with CRISPR detection for advanced molecular diagnostics. It addresses challenges hindering commercialization and offers solutions for improved sensitivity and simplified workflows.

Keywords:

CRISPR–Cas system nucleic acid amplification nucleic acid detection one-pot assay

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Area of Science:

Molecular Diagnostics
Biotechnology
CRISPR Technology

Background:

Nucleic acid amplification (NAA) integrated with CRISPR detection offers diagnostic potential.
Commercialization is hindered by incompatibility between CRISPR cleavage and NAA.
Existing methods face challenges like aerosol contamination, operational complexity, and sensitivity limitations.

Purpose of the Study:

To provide a comprehensive overview of one-pot CRISPR assay solutions.
To offer an outlook on developing advanced CRISPR nucleic acid detection technologies.
To aid practitioners in advancing molecular diagnostics.

Main Methods:

Review of current one-pot detection strategies for CRISPR-based assays.
Analysis of solutions addressing NAA-CRISPR incompatibility.
Discussion of methods to overcome sensitivity limitations in one-pot assays.

Main Results:

Several one-pot CRISPR detection strategies have been developed.
These strategies aim to mitigate risks of aerosol contamination and operational complexity.
Improvements in sensitivity compared to conventional one-pot methods are highlighted.

Conclusions:

One-pot CRISPR assays represent a significant advancement in molecular diagnostics.
Addressing NAA-CRISPR incompatibility is crucial for widespread adoption.
Further development of these assays promises to enhance diagnostic capabilities.