Evaluation of an ultra-portable pocket-sized device for running Loop mediated isothermal amplification (LAMP) assays for rapid detection of sweetpotato viruses
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View abstract on PubMed
Summary
This summary is machine-generated.A portable diagnostic device accurately detects key sweetpotato viruses (SPCSV, SPFMV, SPLCV) in field conditions. This cost-effective tool enhances plant virus detection for improved crop management in resource-limited settings.
Area Of Science
- Agricultural science
- Plant pathology
- Biotechnology
Background
- Sweetpotato (Ipomoea batatas) is a vital crop threatened by viral diseases impacting yield and quality.
- Accurate and rapid virus detection is crucial for seed health monitoring and effective disease management.
- Existing diagnostic methods can be cumbersome and inaccessible in resource-limited environments.
Purpose Of The Study
- To evaluate a compact, ultra-portable Loop-mediated Isothermal Amplification (LAMP) device for detecting major sweetpotato viruses.
- To assess the device's performance, sensitivity, and cost-effectiveness for on-site plant virus diagnostics.
- To determine the feasibility of using human health diagnostic tools in agricultural applications.
Main Methods
- Field and greenhouse sweetpotato samples were tested using a portable LAMP device.
- Results were compared against a larger, established LAMP device for accuracy and agreement.
- Sensitivity tests and statistical analysis (correlation of time-to-positive values) were performed.
- Cost analysis was conducted to determine per-test expenses.
Main Results
- The portable LAMP device showed 100% agreement with the standard LAMP device in detecting sweetpotato viruses (SPCSV, SPFMV, SPLCV).
- Consistent performance was confirmed through sensitivity tests, with reliable on-site use enabled by portable power.
- Statistical analysis revealed high accuracy and a strong correlation (r > 0.89, p < 0.01) in time-to-positive values.
- Per-test costs were reduced by approximately 40% compared to the standard setup.
Conclusions
- The ultra-portable LAMP device is a feasible and reliable tool for detecting key sweetpotato viruses.
- This technology offers a cost-effective and accurate solution for on-site plant virus diagnostics.
- The findings support the adoption of this portable diagnostic tool in resource-limited regions for improved sweetpotato health management.
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