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Study of DGNNV Histopathology in Fish Nervous Tissue using Anti-VLP Serum

The mortality of grouper larvae and juveniles infected by nervous necrosis virus (DGNNV) was near 100%. Vacuoles were found in photoreceptor layer, outer nuclear layer and inner nuclear layer of retina and optic tectum of mesencephalon for the dragon grouper that was infected by DGNNV, after stained with haematoxylin and eosin (H&E). Recombinantly expressed in E. coli, virus-like particles (VLPs) were used for antibody preparation. By indirect fluorescence antibody test (IFAT) with the mouse anti-VLP serum, DGNNV was detected in retina inner nuclear layer and mesencephalon optic tectum. At 96 hours post infection of DGNNV with intraocular injection, vacuoles were observed, with H&E staining, in zebrafish retina photoreceptor layer and mesencephalon optic tectum. In IFAT test, DGNNV was also detected in outer nuclear layer and optic tectum of zebrafish. This study showed antibody stimulated by the recombinant VLPs was sutible for DGNNV detection in fish nervous tissues.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0430109-112323
Date30 April 2009
CreatorsShih, Jhen-ru
ContributorsChan-Shing Lin, Chi-Hsin Hsu, Zhi-Hong Wen
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0430109-112323
Rightsnot_available, Copyright information available at source archive

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