Application of molecular diagnostic methods to penaeid shrimp diseases: Advances of the past 10 years for control of viral diseases in farmed shrimp

D. V. Lightner, B. T. Poulos, K. F.J. Tang-Nelson, C. R. Pantoja, L. M. Nunan, S. A. Navarro, R. M. Redman, L. L. Mohney

    Research output: Contribution to journalArticlepeer-review

    22 Scopus citations

    Abstract

    The most important diseases of farmed penaeid shrimp have infectious aetiologies. Among these are diseases with viral, rickettsial, bacterial, fungal and parasitic aetiologies. Diagnostic methods for these pathogens include the traditional methods of gross pathology, histopathology, classical microbiology, animal bioassay, antibody-based methods, and molecular methods using DNA probes and DNA amplification. While methods using clinical chemistry and tissue culture are standard methods in veterinary and human diagnostic laboratories, the former has not been routinely applied to the diagnosis of penaeid shrimp diseases and the latter has yet to be developed, despite considerable research and development efforts that have spanned the past 40 years. No continuous shrimp cell lines, or lines from other crustaceans, have been developed. Hence, when molecular methods began to be routinely applied to the diagnosis of infectious diseases in humans and domestic animals in the mid- to late 1980s, the technology was applied to the diagnosis of certain important diseases of penaeid shrimp for which only classical diagnostic methods were previously available. A DNA hybridization assay for the parvovirus IHHNV was the first molecular test developed for a shrimp disease. This was followed within a year by the first PCR test for MBV, an important baculovirus disease of shrimp. Today, shrimp disease diagnostic laboratories routinely use molecular tests for diagnostic and surveillance purposes for most of the important penaeid shrimp diseases.

    Original languageEnglish (US)
    Pages (from-to)117-122
    Number of pages6
    JournalDevelopments in Biologicals
    Volume126
    StatePublished - 2006

    Keywords

    • PCR
    • Penaeus
    • RT-PCR
    • Shrimp viruses

    ASJC Scopus subject areas

    • Biomaterials
    • Immunology
    • Pharmacology

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