Rapid Identification of the Mediterranean Fruit Fly (Diptera: Tephritidae) by Loop-Mediated Isothermal Amplification
Authors: Huang, Chin-Gi; Hsu, Ju-Chun; Haymer, David S.; Lin, Guo-Cih; Wu, Wen-Jer
Source: Journal of Economic Entomology, Volume 102, Number 3, June 2009 , pp. 1239-1246(8)
Publisher: Entomological Society of America
Abstract:The Mediterranean fruit fly, Ceratitis capitata (Wiedemann) (Diptera: Tephritidae), ranks as one of the world’s most destructive agricultural pests. This pest is also widespread and highly invasive; thus, it is a high priority for pest detection and quarantine programs. Although Mediterranean fruit fly adult and third-instar larvae can usually be identified and distinguished from other species by morphological keys, it is often difficult or impossible to identify or distinguish this species from other tephritids by using material from other stages of development. In such situations, use of a molecular technique known as loop-mediated isothermal amplification (LAMP) would be valuable as a rapid and robust alternative species diagnostic tool. This method uses isothermal conditions and requires only relatively inexpensive equipment. In this study we have developed a simple and rapid procedure that combines a Chelex-based DNA extraction procedure with LAMP to rapidly detect the presence of Mediterranean fruit fly DNA and discriminate it from other species, by using material from different stages of development. Amounts of DNA as little as that recovered from a single egg were shown to be adequate for the analysis, and LAMP itself required only 45 min to complete.
Document Type: Research Article
Publication date: June 1, 2009
- Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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