Research Article: Establishment of pre-enrichment step and DNA extraction method for the novel PCR procedure of acute hepatopancreatic necrosis disease (AHPND) and mutant-AHPND fast detection in shrimp
Publish place: Iranian Journal of Fisheries Sciences، Vol: 22، Issue: 1
Publish Year: 1401
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JIFRO-22-1_007
تاریخ نمایه سازی: 6 خرداد 1402
Abstract:
After the first outbreak of Acute Hepatopancreatic Necrosis Disease (AHPND) in China in ۲۰۰۹, this disease has been still considered a globally dangerous disease in shrimp aquaculture industry. Currently, there is no effective method to prevent and treat AHPND. Therefore, rapid detection methods which could avert and control this disease in shrimp were considered the most effective strategy. In ۲۰۲۱, a new PCR reaction was established that can simultaneously detect AHPND and mutant-AHPND. Intending to develop a PCR kit, the PCR procedure including a pre-enrichment step and DNA-extracted method was established to conduct the PCR reaction. The new PCR procedure was verified with a detection limit of ۵.۱۰۳ CFU/mL. This detection limit was two times higher than the conventional PCR methods, which are currently used to detect AHPND. Vibrio parahaemolyticus showed the best growth at ۳۷°C in the broth with hepatopancreas of shrimp. A simple boiling method to extract DNA in bacterial broth with shrimp tissues was also modified. The PCR procedure has successfully been validated on ۴۲ AHPND-suspecting samples. These results would be developed into a novel standard procedure using a PCR kit for rapid detection of AHPND and related mutant-AHPND for rapid disease diagnosis in shrimp farms.
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Authors
T.D. Mai-Hoang
University of Science, VNU-HCM
M.H.T. Nguyen
University of Science, VNU-HCM
T.B. Huynh
University of Science, VNU-HCM
T.L. Tran
University of Science, VNU-HCM
H. Tran-Van
University of Science, VNU-HCM
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