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淋巴囊肿病毒中国分离株基因组序列和结构分析
引用本文:闫秀英,吴灶和,简纪常,鲁义善,孙修勤.淋巴囊肿病毒中国分离株基因组序列和结构分析[J].广东海洋大学学报,2011,31(1):1-6.
作者姓名:闫秀英  吴灶和  简纪常  鲁义善  孙修勤
作者单位:1. 广东省水产经济动物病原生物学及流行病学重点实验室,广东海洋大学,广东湛江524025
2. 海洋生态研究中心,国家海洋局第一海洋研究所,山东青岛266061
基金项目:国家高技术研究发展计划项目
摘    要:LCDV-cn是分离自中国养殖牙鲆的淋巴囊肿病病原,给中国牙鲆养殖业带来了严重危害。通过PCR、克隆和测序,获得了LCDV-cn部分基因的序列,证明LCDV-cn与LCDV-C的基因组序列是一致的。比较基因组学分析发现,LCDV-cn基因组中有137个ORF是其独有的、与LCDV-1及其它虹彩病毒无同源区域。对LCDV-cn基因组进行生物信息学分析发现,在LCDV-cn独有的ORF中,有的编码与宿主同源的蛋白,有的编码与DNA复制相关的蛋白,某些ORF编码的蛋白含有跨膜区等。LCDV-cn的独有基因或许对其毒力和宿主范围有关。

关 键 词:淋巴囊肿病毒中国分离株LCDV-cn  比较基因组学  生物信息学

Analysis on Genome Sequence and Structure of Lymphocystis Disease Virus-Chinese Isolate
YAN Xiu-ying,WU Zao-he,JIAN Ji-chang,LU Yi-shan,SUN Xiu-qin.Analysis on Genome Sequence and Structure of Lymphocystis Disease Virus-Chinese Isolate[J].Journal of Zhanjiang Ocean University,2011,31(1):1-6.
Authors:YAN Xiu-ying  WU Zao-he  JIAN Ji-chang  LU Yi-shan  SUN Xiu-qin
Institution:YAN Xiu-ying1,SUN Xiu-qin2,WU Zao-he1,LU Yi-shan,JIAN Ji-chang1(1.Guangdong Key Laboratory of Pathogenic Biology and Epidemiology for Aquatic Economic Animals,Guangdong Ocean University,Zhanjiang 524025,China,2.First Institute of Oceanography SOA,Qingdao 266061,China)
Abstract:Lymphocystis disease virus-Chinese isolate(LCDV-cn) is the causatice agent of lymphocystis disease in paralichthys olivaceus,causing a huge loss in flounder aquaculture.Some gene sequences of LCDV-cn has been acquired by PCR,cloning and sequencing.Those sequences were consistent with LCDV-C.Found through comparative analysis,137 ORF is LCDV-cn’s own unique genes without homology with LCDV-1 and other iridovirus.LCDV-cn genome was analyzed by bioinformatics methods.In proteins encoded by LCDV-cn’s unique genes,some protein was homologous with fish protein;some protein was related to DNA duplication;and some protein contained transmenmbrane domain,etc.It is likely that LCDV-cn’s unique genes influence its virulence and host range.This study can form the foundation for in-depth researches,such as mechanism of LCDV-cn’s pathopoiesia and infection,prevention and treatment of lymphocystis disease,and so on.
Keywords:Lymphocystis disease virus-Chinese isolate(LCDV-cn)  Comparative genomics  Bioinformatics  
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