Related Experiment Video
Updated: Oct 31, 2025
04:17
DNA Virus Detection System Based on RPA-CRISPR/Cas12a-SPM and Deep Learning
Published on: May 10, 2024
1.1K
CRISPR-Cas13a-Based Detection for Bovine Viral Diarrhea Virus
Frontiers in Veterinary Science
|June 28, 2021
Summary
A new CRISPR-Cas13a method offers sensitive and specific detection of Bovine Viral Diarrhea Virus (BVDV). This simple nucleic acid test aids in the early diagnosis and control of BVDV, reducing economic losses in cattle.
Area of Science:
- Veterinary Virology
- Molecular Diagnostics
- CRISPR Technology
Background:
- Bovine Viral Diarrhea Virus (BVDV) causes significant economic losses in the cattle industry.
- Effective control of BVDV relies on sensitive and specific detection methods.
- CRISPR-Cas systems show promise for viral RNA detection.
Purpose of the Study:
- To optimize the expression and purification of LwCas13a protein.
- To verify the in vitro RNase activity of LwCas13a.
- To develop and evaluate a CRISPR-LwCas13a system for BVDV detection.
Main Methods:
- Optimized expression and purification of LwCas13a protein.
- In vitro verification of LwCas13a RNase activity.
- Application of the CRISPR-LwCas13a system for BVDV RNA detection.
Main Results:
- The CRISPR-LwCas13a system demonstrated high specificity and simplicity for BVDV detection.
- The detection limit of the LwCas13a system was determined to be 10^3 pM.
- No cross-reactions were observed with HEK293T and MDBK cell lines.
Conclusions:
- A sensitive, specific, and simple nucleic acid detection method for BVDV based on CRISPR-Cas13a was successfully developed.
- This method provides a novel strategy for the early diagnosis of BVDV.
- The developed system can aid in the control of BVDV and mitigate economic losses.
