Complete genome sequence of acute viral necrosis virus associated with massive mortality outbreaks in the Chinese scallop, Chlamys farreri
文献类型: 外文期刊
作者: Ren, Weicheng 1 ; Chen, Haixia 3 ; Renault, Tristan 4 ; Cai, Yuyong 1 ; Bai, Changming 1 ; Wang, Chongming 1 ; Huang, 1 ;
作者机构: 1.Chinese Acad Fishery Sci, Yellow Sea Fisheries Res Inst, Maricultural Organism Dis Control & Pathogen Mol, Qingdao 266071, Peoples R China
2.Univ Gothenburg, Dept Rheumatol & Inflammat, S-40530 Gothenburg, Sweden
3.Univ Gothenburg, Dept Biol & Environm Sci, S-40530 Gothenburg, Sweden
4.Ifremer, Unite Sante Genet & Microgiol Mollusques, Lab Genet & Pathol Mollusques Marins, F-17390 La Tremblade, France
关键词: Acute viral necrosis virus (AVNV);Herpesvirus;OsHV-1;Genome
期刊名称:VIROLOGY JOURNAL ( 影响因子:4.099; 五年影响因子:3.719 )
ISSN: 1743-422X
年卷期: 2013 年 10 卷
页码:
收录情况: SCI
摘要: Background: Acute viral necrosis virus (AVNV) is the causative agent of a serious disease resulting in high mortality in cultured Chinese scallops, Chlamys farreri. We have sequenced and analyzed the complete genome of AVNV. Results: The AVNV genome is a linear, double-stranded DNA molecule of 210,993 bp with a nucleotide composition of 38.5% G + C. A total of 123 open reading frames were predicted to encode functional proteins, ranging from 41 to 1,878 amino acid residues. The DNA sequence of AVNV is 97% identical to that of ostreid herpesvirus 1 (OsHV-1), and the amino acid sequences of the encoded proteins of these two viruses are 94-100% identical. The genomic organization of AVNV is similar to that of OsHV-1, and consists of two unique regions (170.4 kb and 3.4 kb, respectively), each flanked by two inverted repeats (7.6 kb and 10.2 kb, respectively), with a third unique region (1.5 kb) situated between the two internal repeats. Conclusions: Our results indicate that AVNV is a variant of OsHV-1. The AVNV genome sequence provides information useful for understanding the evolution and divergence of OsHV-1 in marine molluscs.
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