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Please use this identifier to cite or link to this item: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45962

Title: Characterization and Interactome Study of White Spot Syndrome Virus Envelope Protein VP11
Authors: Wang-Jing Liu;Hui-Jui Shiung;Chu-Fang Lo;Jiann-Horng Leu;Ying-Jang Lai;Tai-Lin Lee;Wei-Tung Huang;Guang-Hsiung Kou;Yun-Shiang Chang
Contributors: 國立臺灣海洋大學:海洋生物研究所
Date: 2014
Issue Date: 2018-04-18T03:28:01Z
Publisher: PLoS ONE
Abstract: Abstract: White spot syndrome virus (WSSV) is a large enveloped virus. The WSSV viral particle consists of three structural layers that surround its core DNA: an outer envelope, a tegument and a nucleocapsid. Here we characterize the WSSV structural protein VP11 (WSSV394, GenBank accession number AF440570), and use an interactome approach to analyze the possible associations between this protein and an array of other WSSV and host proteins. Temporal transcription analysis showed that vp11 is an early gene. Western blot hybridization of the intact viral particles and fractionation of the viral components, and immunoelectron microscopy showed that VP11 is an envelope protein. Membrane topology software predicted VP11 to be a type of transmembrane protein with a highly hydrophobic transmembrane domain at its N-terminal. Based on an immunofluorescence assay performed on VP11-transfected Sf9 cells and a trypsin digestion analysis of the virion, we conclude that, contrary to topology software prediction, the C-terminal of this protein is in fact inside the virion. Yeast two-hybrid screening combined with co-immunoprecipitation assays found that VP11 directly interacted with at least 12 other WSSV structural proteins as well as itself. An oligomerization assay further showed that VP11 could form dimers. VP11 is also the first reported WSSV structural protein to interact with the major nucleocapsid protein VP664.
Relation: 9(1)
URI: http://ntour.ntou.edu.tw:8080/ir/handle/987654321/45962
Appears in Collections:[海洋生物研究所] 期刊論文

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