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September 15, 2015


Research—Covert Mortality Disease


From Abstract: A disease known as covert mortality disease has become an increasing problem in the shrimp farming industry in recent years in China and several countries of Southeast Asia, leading to serious losses in production. Penaeus vannamei (Pacific white shrimp) is affected by this disease that leads to a range of clinical symptoms including hepatopancreas atrophy and necrosis, soft shell, slow growth, and abdominal muscle whitening and necrosis in the acute stage of disease.  A new nodavirus, termed covert mortality nodavirus (CMNV), has been shown to be the etiological agent.


In this study, researchers report a sensitive and specific real-time reverse transcription loop-mediated isothermal amplification (RT-LAMP) assay for the rapid and quantitative detection of CMNV, a new tool for the field detection and quantification of CMNV in the diagnosis and surveillance of covert mortality disease.


Source: Journal of Invertebrate Pathology.  Reverse Transcription Loop-Mediated Isothermal Amplification for Rapid and Quantitative Assay of Covert Mortality Nodavirus in Shrimp.  Qingli Zhang, Shuang Liu, Haolin Yang, Luoluo Zhu, Xiaoyuan Wan, Xiaoping Li and Jie Huang (email, Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, 106 Nanjing Road, Qingdao, Shandong 266071, China).   In  Press, Accepted Manuscript, Available Online, September 9, 2015.

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