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genetic variation and immunohistochemical differences among geographic isolates of taura syndrome virus of penaeid shrimp.taura syndrome virus (tsv) is an important virus infecting penaeid shrimp in the western hemisphere. genetic variation and immunohistochemical differences of 20 tsv isolates collected from the usa, taiwan, mexico and nicaragua were compared. capsid protein genes cp1 (546 bp) and cp2 (584 bp) were amplified by rt-pcr and the cdnas were sequenced. pairwise comparison of nucleotide sequences showed a 0-2.4% difference in cp1 and a 0-3.5% difference in cp2. phylogenetic analyses clustered the tsv is ...200212466489
rapid and sensitive detection of taura syndrome virus using nucleic acid-based amplification.requiring only simple heating devices, isothermal nucleic acid-based amplification (nasba) is a potential detection platform to be developed for on-site diagnosis of aquaculture pathogens. in this report, an nasba assay has been developed for the taura syndrome virus (tsv), one of the most devastating rna virus pathogens for several penaeid shrimp species. the nasba amplicons were detected by agarose gel electrophoresis and confirmed by northern-blotting and dot-blotting analysis, using a biotin ...200617240748
epidemiology and phylogenetic analysis of taura syndrome virus in cultured pacific white shrimp litopenaeus vannamei b. in taiwan.taura syndrome virus (tsv) has spread worldwide, causing significant economic losses since taura syndrome was first described in ecuador in 1992. to determine the prevalence and impact of tsv infection on the shrimp farming industry in taiwan, pacific white shrimp litopenaeus vannamei b. were collected from 220 farms between 2004 and 2006 for viral detection by reverse transcription polymerase chain reaction. data showed that the overall tsv prevalence rate was 20% (43/220 farms). comparing shri ...201122235591
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