Application of in situ detection techniques to determine the systemic condition of lymphocystis disease virus infection in cultured gilt‐head seabream, Sparus aurata L.
Identifieur interne : 000A01 ( Main/Merge ); précédent : 000A00; suivant : 000A02Application of in situ detection techniques to determine the systemic condition of lymphocystis disease virus infection in cultured gilt‐head seabream, Sparus aurata L.
Auteurs : I. Cano [Espagne] ; P. Ferro [Espagne] ; M C Alonso [Espagne] ; C. Sarasquete [Espagne] ; E. Garcia-Rosado [Espagne] ; J J Borrego [Espagne] ; D. Castro [Espagne]Source :
- Journal of Fish Diseases [ 0140-7775 ] ; 2009-02.
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Abstract
Immunohistochemistry (IHC) and in situ hybridization (ISH) techniques have been used for the detection of lymphocystis disease virus (LCDV) in formalin‐fixed, paraffin‐embedded tissues from gilt‐head seabream, Sparus aurata L. Diseased and recovered fish from the same population were analysed. IHC was performed with a polyclonal antibody against a 60‐kDa viral protein. A specific digoxigenin‐labelled probe, obtained by PCR amplification of a 270‐bp fragment of the gene coding the LCDV major capsid protein, was used for ISH. LCDV was detected in skin dermis and gill lamellae, as well as in several internal organs such as the intestine, liver, spleen and kidney using both techniques. Fibroblasts, hepatocytes and macrophages seem to be target cells for virus replication. The presence of lymphocystis cells in the dermis of the skin and caudal fin, and necrotic changes in the epithelium of proximal renal tubules were the only histological alterations observed in fish showing signs of the disease.
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DOI: 10.1111/j.1365-2761.2008.00970.x
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Garcia-Rosado</name></author><author><name sortKey="Borrego, J J" sort="Borrego, J J" uniqKey="Borrego J" first="J J" last="Borrego">J J Borrego</name></author><author><name sortKey="Castro, D" sort="Castro, D" uniqKey="Castro D" first="D" last="Castro">D. 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Diseased and recovered fish from the same population were analysed. IHC was performed with a polyclonal antibody against a 60‐kDa viral protein. A specific digoxigenin‐labelled probe, obtained by PCR amplification of a 270‐bp fragment of the gene coding the LCDV major capsid protein, was used for ISH. LCDV was detected in skin dermis and gill lamellae, as well as in several internal organs such as the intestine, liver, spleen and kidney using both techniques. Fibroblasts, hepatocytes and macrophages seem to be target cells for virus replication. The presence of lymphocystis cells in the dermis of the skin and caudal fin, and necrotic changes in the epithelium of proximal renal tubules were the only histological alterations observed in fish showing signs of the disease.</div></front></TEI></record>Pour manipuler ce document sous Unix (Dilib)
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