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Development of Rapid and Affordable Virus-Mimicking Artificial Positive Controls
Shivani Singh1, Daisy Stainton1, Ioannis E Tzanetakis1
1Department of Entomology and Plant Pathology, Division of Agriculture, University of Arkansas System, Fayetteville, AR 72701.
Developing novel virus-mimicking artificial positive controls (ViMAPCs) offers a rapid, cost-effective solution for assay validation. These ViMAPCs accurately mimic natural infections, improving diagnostics and outbreak monitoring.
Area of Science:
- Virology
- Biotechnology
- Molecular Diagnostics
Background:
- Assay development is hindered by the difficulty in obtaining and maintaining reliable positive controls.
- Current methods for acquiring positive controls are time-consuming and expensive, impacting assay validation.
- The absence of suitable positive controls compromises the accuracy and reliability of diagnostic assays.
Purpose of the Study:
- To introduce a novel strategy for creating virus-mimicking artificial positive controls (ViMAPCs).
- To demonstrate the rapid development and application of ViMAPCs, significantly reducing turnaround time.
- To establish ViMAPCs as a versatile tool for assay validation and pathogen outbreak monitoring.
Main Methods:
- Designed and synthesized virus-mimicking artificial positive controls (ViMAPCs).
- Evaluated the feasibility and adaptability of ViMAPCs using various RNA and DNA plant viruses.
- Assessed the realistic representation of natural infections and the ability to detect laboratory contamination.
Main Results:
- ViMAPCs were developed and ready for application in under 5 days, a substantial improvement over traditional methods.
- ViMAPCs realistically mimic natural viral infections, providing a more accurate positive control.
- The strategy proved feasible and adaptable across diverse plant viruses, including RNA and DNA types.
Conclusions:
- ViMAPCs present a rapid, cost-effective, and realistic alternative to traditional positive controls for viral detection assays.
- This novel approach facilitates effortless recognition of laboratory contamination and enhances assay validation.
- ViMAPCs are suitable for diagnostics laboratories and crucial for rapid response in pathogen outbreak monitoring.
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