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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/26374
Title: A non-stop, single-tube, semi-nested pcr technique for grading the severity of white spot syndrome virus infections in penaeus monodon
Authors: Wansika Kiatpathomchai
Vichai Boonsaeng
Anchalee Tassanakajon
Chainarong Wongteerasupaya
Sarawut Jitrapakdee
Sakol Panyim
Mahidol University
Keywords: Agricultural and Biological Sciences
Issue Date: 5-Dec-2001
Citation: Diseases of Aquatic Organisms. Vol.47, No.3 (2001), 235-239
Abstract: A single-tube, non-stop, semi-nested polymerase chain reaction (PCR) technique was developed for simultaneous detection and severity grading of white spot syndrome virus (WSSV) infections in the black tiger shrimp Penaeus monodon. The test uses 1 sense primer and 3 anti-sense primers that produce up to 3 PCR products (1100, 526 and 250 base pairs [bp]) depending upon the severity of infection. Specifically, heavy infections (≥2 × 104viral particles) of WSSV produce all 3 fragments, while moderate infections (around 2 × 103viral particles) produce 2 (526 and 250 bp) and light infections (20 to 200 viral particles) produce 1 (250 bp). In addition, the technique uses internal control primers that yield a shrimp characteristic fragment for non-infected samples and samples with a low quantity of viral target in order to assure integrity and reproducibility of the PCR assays. The non-stop, single-tube, semi-nested PCR technique is simple and convenient and can detect as little as 5 fg WSSV DNA (20 viral particles) in crude extracts of postlarval samples or extracts of pleopods and haemolymph from larger shrimp.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0035814156&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/26374
ISSN: 01775103
Appears in Collections:Scopus 2001-2005

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