Characterization of betanodaviruses in the Philippines
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นามธรรม
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.
การอ้างอิง
de la Peña, L. D., Mori, K., Quinitio, G. F., Chavez, D. S., Toledo, J. D., Suarnaba, V. S., Maeno, Y., Kiryu, I., & 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
เรื่อง
catadromous fishes; brain; immunofluorescence; genotypes; fish larvae; nucleotides; marine fish; nervous system; viral diseases; RNA; necrosis; polymerase chain reaction; mariculture; breeding stock; fish culture; Dicentrarchus labrax; Pleuronectiformes; Lates calcarifer; Epinephelus coioides; Philippines, Panay I., Iloilo
Taxonomic term
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