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    Production of polyclonal antibodies (PAbs) against monodon baculovirus (MBV) and hepatopancreatic parvovirus (HPV)

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    CatapES2005.pdf (971.1Kb) AQD Access AQD Access
    Downloads: 1
    Date
    2005-03
    Author
    Catap, Elena S.
    de la Peña, Leobert D.
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    Abstract
    Monodon baculovirus (MBV) and hepatopancreatic parvovirus (HPV) are two of the viral pathogens, which infect penaeid shrimps in the Philippines. Polyclonal antibodies (PAbs) to MBV and HPV were raised by immunization of rabbits with the purified virions. The antisera produced were assessed using immunofluorescence antibody test (IFAT), indirect enzyme-linked immunosorbent assay (ELISA) and immunohistochemistry (IHC). IFAT showed intense fluorescent reactions in impression smears and paraffin-embedded sections of MBV-infected P. monodon postlarvae (PLs) but not in smears and/or sections infected with HPV or WSSV. Similarly, IHC tests showed positive coloration in MBV-infected cells but not in sections with either HPV or WSSV. Indirect ELISA test revealed that the PAbs could detect 4 ng (rabbit 1) and 100 ng (rabbit 2) of purified MBV. However, testing of crude shrimp homogenates by indirect ELISA indicated high level cross-reactions (gills of WSSV-infected adult P. monodon, head portions of HPV- and MBV-infected PLs and non-infected PLs). Screening of anti-HPV serum likewise showed intense immunofluorescence and positive red brownish coloration in HPV-infected sections. However, there were also strong cross-reactions observed in sections of hepatopancreas with MBV infection. Overall, the MBV PAbs developed have potential application in the detection of the virus. Further purification of the PAbs is required to minimize background and/or cross-reactions.
    URI
    http://hdl.handle.net/10862/5911
    Suggested Citation
    Catap, E. S., & de la Peña, L. D. (2005). Production of polyclonal antibodies (PAbs) against monodon baculovirus (MBV) and hepatopancreatic parvovirus (HPV). In K. Nagasawa (Ed.), Recent Advances in Diagnosis and Prevention of Fish and Shrimp Diseases in Southeast Asia (pp. 45–50). Tigbauan, Iloilo, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center.
    Type
    Book chapter
    ISBN
    9718511732
    Subject
    Animal diseases; Shrimp culture; Viral diseases; Infectious diseases; Disease detection; DNA; Monoclonal antibodies; Immunization; Immunofluorescence; Polyclonal antibodies; Baculovirus; Penaeus monodon
    Collections
    • Recent Advances in Diagnosis and Prevention of Fish and Shrimp Diseases in Southeast Asia [43]


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