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A rapid identification method for common astigmatid species based on multiplex polymerase chain reaction
Yan Wang1,2, Xiang-Lin Tao1,2, Yu Fang2
1Yan Wang and Xiang-Lin Tao were the co-first authors who contributed equally to this work.
Veterinary Research Forum : an International Quarterly Journal
|January 23, 2023
Summary
Multiplex PCR offers a new method for identifying astigmatid mites, which are significant pests and allergens. This molecular technique complements traditional methods for accurate species-level identification.
Area of Science:
- * Acarology and Molecular Biology
- * Allergen research and diagnostics
- * Stored product pest management
Background:
- * Astigmatid mites are significant stored product pests and sources of allergens linked to respiratory conditions like asthma and allergic rhinitis.
- * Morphological identification of astigmatid mites is challenging due to their small size, similar appearance, and lack of distinct diagnostic features.
- * Accurate species identification is crucial for effective pest management and understanding allergenicity.
Purpose of the Study:
- * To develop a molecular method for the accurate identification of astigmatid mite species.
- * To establish a multiplex PCR assay for differentiating common astigmatid mite species.
- * To provide a complementary tool to morphological identification for mite species determination.
Main Methods:
- * DNA extraction from eight common astigmatid mite species: *Acarus siro*, *Tyrophagus putrescentiae*, *Suidasia nesbitti*, *Dermatophagoides pteronyssinus*, *Dermatophagoides farinae*, *Lepidoglyphus destructor*, *Chortoglyphus arcuatus*, and *Gohieria fuscus*.
- * PCR amplification of internal ribosomal transcribed spacer (ITS) sequences, including partial 18S, full-length ITS1-5.8S-ITS2, and partial 28S regions.
- * Design and utilization of specific primers targeting the ITS2 region for multiplex PCR analysis.
Main Results:
- * A reliable multiplex PCR method was successfully established for the identification of eight common astigmatid mite species.
- * The method demonstrated effectiveness in differentiating between morphologically similar mite species.
- * The internal ribosomal transcribed spacer (ITS) region proved valuable for molecular identification.
Conclusions:
- * Multiplex PCR provides an efficient and accurate method for astigmatid mite species identification, complementing traditional morphological techniques.
- * This molecular approach can aid in pest management and allergen control strategies.
- * The developed primer sets and methodology can be adapted for identifying other mite species by redesigning species-specific primers.
