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Characterization of betanodaviruses in the Philippines

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eafp.org
Date
2008
Author
de la Peña, Leobert D.
Mori, K.
Quinitio, Gerald F.
Chavez, Denny S.
Toledo, Joebert D.
Suarnaba, Vonnie S.
Maeno, Y.
Kiryu, I.
Nakai, T.
Page views
2,205
Subject
catadromous fishes ASFA
brain ASFA
immunofluorescence ASFA
genotypes ASFA
fish larvae ASFA
nucleotides ASFA
marine fish ASFA
nervous system ASFA
viral diseases ASFA
RNA ASFA
necrosis ASFA
polymerase chain reaction ASFA
mariculture ASFA
breeding stock ASFA
fish culture ASFA
Dicentrarchus labrax AGROVOC
Pleuronectiformes AGROVOC
Lates calcarifer AGROVOC
Epinephelus coioides AGROVOC
Philippines, Panay I., Iloilo
Taxonomic term
Lates calcarifer GBIF
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Abstract
Viral nervous necrosis caused by betanodaviruses is one of the most devastating diseases in cultured marine finfish. In the Philippines, mass mortalities occurred in sea bass, Lates calcarifer larvae and grouper, Epinephelus coioides broodstock. The virus was isolated using SSN-1 fish cell line and confirmed by PCR. Cytopathic effect started to develop in the cell line 2 days post infection (p.i) with tissue filtrates until the cells completely disintegrated and detached from the flask at 5 days p.i. and the viral protein was detected by immunofluorescence. Sequence analysis revealed that VNN isolated from the brain of grouper broodstock and sea bass larvae were 98.6% similar. Sequence analysis between the Philippine isolates and red-spotted grouper nervous necrosis virus (RGNNV) genotype is 96.9% similar as compared to 72.0% and 64.0% similar with the barfin flounder nervous necrosis virus (BFNNV) and tiger puffer nervous necrosis virus (TPNNV) genotypes, respectively. These results confirm that the Philippine isolates belong to RGNNV genotype.
URI
http://hdl.handle.net/10862/2076
Suggested Citation
de la Peña, L. D., Mori, K., Quinitio, G. F., Chavez, D. S., Toledo, J. D., Suarnaba, V. S., ... & Nakai, T. (2008). Characterization of betanodaviruses in the Philippines. Bulletin of the European Association of Fish Pathologists, 28(6), 230-237. http://hdl.handle.net/10862/2076
Type
Article
ISSN
0108-0288
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  • Journal Articles [1160]

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