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学科主题: Virology
题名: Purification and characterization of White Spot Syndrome Virus (WSSV) produced in an alternate host: crayfish, Cambarus clarkii
作者: Can-hua Huang ; Li-ren Zhang ; Jian-hong Zhang ; Lian-chun Xiao ; Qing-jiang Wu ; Di-hua Chen ; Joseph K.-K. Li
通讯作者: Chen, DH, Acad Sinica, Wuhan Inst Virol, Joint Lab Invertebrate Virol, Wuhan 430071, Peoples R China
关键词: White Spot Syndrome Virus ; crayfish host ; electron microscopy ; WSSV viral genome and proteins
刊名: VIRUS RESEARCH
发表日期: 2001
卷: 76, 期:2, 页:115-125
收录类别: SCI
部门归属: Acad Sinica, Wuhan Inst Virol, Joint Lab Invertebrate Virol, Wuhan 430071, Peoples R China; Acad Sinica, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Wuhan 430072, Peoples R China; Utah State Univ, Dept Biol, Logan, UT 84322 USA
摘要: Penaeid shrimp is the natural host of White Spot Syndrome Virus (WSSV) that can cause high mortality in the infected hosts. Attempts to obtain sufficient amounts of purified intact WSSV for characterization have been unsuccessful. Using crayfish, Cambarus clarkii as a proliferation system, a large amount of infectious WSSV was reproduced and intact WSSV viral particles were purified with a new isolation medium by ultra-centrifugation. Purified WSSV particles were very sensitive to organic solvents and the detergent, Triton X-100. The size of the rod-shape, somewhat elliptical, intact WSSV was 110-130 x 260-350 mm with a long, tail-like envelope extension. The naked viral nucleocapsid was about 80 x 350 nm, and it possessed 15 spiral and cylindrical helices composed of 14 globular capsomers along its long axis, and a 'ring' structure at one terminus. Distinct WSSV genome DNA patterns were obtained when the purified genomic dsDNA of WSSV was digested with five different restriction enzymes (HindIII, XhoI, B(BamHI, SalI, and SacI). In addition, at least 13 major and distinct protein bands could be observed when purified intact WSSV viruses were separated by SDS-PAGE followed by Coomassie Brilliant R-250 staining. The estimated molecular weights of these proteins were 190, 84, 75, 69, 68, 58, 52, 44, 28, 27.5, 23, 19, and 16 kD, respectively. Both the 44 and 190 kD proteins were easily removed if the hemolymph from the: WSSV infected crayfish was transiently treated with 1%, Triton X-100 before it was subjected to gradient centrifugation, indicating that both of them are located on the surface of the viral envelope. These characteristics are consistent with WSSV isolated from the penaeid shrimp. (C) 2001 Elsevier Science B.V. All rights reserved.
WOS记录号: WOS:000169675300001
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内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9976
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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Can-hua Huang; Li-ren Zhang; Jian-hong Zhang; Lian-chun Xiao; Qing-jiang Wu; Di-hua Chen; Joseph K.-K. Li.Purification and characterization of White Spot Syndrome Virus (WSSV) produced in an alternate host: crayfish, Cambarus clarkii,VIRUS RESEARCH,2001,76(2):115-125
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