LAMP Assays for Shrimp Pathogen Detection
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Solution Overview
Problem
Current methods for detecting shrimp pathogens in aquaculture are limited by the need for expensive equipment, skilled personnel, and lengthy processing times, making them unsuitable for rapid field deployment.
Innovation Solution
The development of kits and assays utilizing loop-mediated isothermal amplification (LAMP) that include specific primer sets and pH-sensitive signal reagents, allowing for rapid and easy detection of shrimp pathogens using visual or portable device analysis.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of time
If conventional pathogen detection methods are used, then detection accuracy can be maintained, but the equipment cost and processing time increase significantly
Solution Approach 1:
The patent replaces complex mechanical detection systems (PCR machines, centrifuges, incubators) with a simplified isothermal amplification system that uses only temperature control and visual detection. The LAMP method maintains high detection accuracy while eliminating the need for sophisticated equipment, directly resolving the contradiction between processing time and device complexity.
Solution Approach 2:
The patent changes the temperature parameter from cyclic variations (PCR) to constant isothermal conditions (60-65°C), dramatically simplifying the equipment requirements. This parameter change enables rapid pathogen detection within 15-30 minutes using only basic temperature control, resolving the time-loss versus device-complexity contradiction.
2Ease of operation
If conventional pathogen detection methods are used, then reliable results can be obtained, but the need for skilled personnel increases
Solution Approach 1:
The patent implements self-service through visual colorimetric detection using pH-sensitive indicators that automatically change color based on amplification progress. The reaction mixture itself provides the detection signal without requiring skilled interpretation, making the test user-friendly while maintaining reliability through the inherent biochemical specificity of the LAMP method.
Solution Approach 2:
The patent uses pH-sensitive colorimetric indicators that change color in response to amplification, providing intuitive visual results that are easy to interpret. This color change mechanism eliminates the need for skilled personnel to analyze complex data, while the specificity of the color change to amplification events ensures reliable detection results.
3Ease of manufacture
If conventional pathogen detection methods are used, then comprehensive pathogen identification can be achieved, but the cost of specialized equipment and reagents increases
Solution Approach 1:
The patent achieves universality by designing a single LAMP-based platform that can detect multiple different shrimp pathogens through primer set selection. The same basic reaction system and detection methodology work for various viruses and bacteria, making the system cost-effective while maintaining broad pathogen detection capability across aquaculture applications.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables rapid, field-deployable, and user-friendly pathogen detection in aquaculture, reducing the need for specialized equipment and skilled labor while providing reliable and efficient results.
Implementation Method 1
at least one of the one or more signal reagents is a pH sensitive reagent that is capable of changing color from a first visible color to a second visible color in response to amplification of a target polynucleotide
Data Source
AI summary
Described herein are assays capable of detecting one or more shrimp or fish pathogens. Also described herein are kits configured for detecting one or more shrimp or fish pathogens. In some embodiments, the assays and kits are configured as a point of care test for one or more shrimp or fish pathogens.