[1]吴淑华,赵文浩,李廷芳,等.南京辣椒上一种斑驳类型病毒病的分子鉴定[J].江苏农业学报,2015,(06):1284-1290.[doi:doi:10.3969/j.issn.1000-4440.2015.06.014]
 WU Shu-hua,ZHAO Wen-hao,LI Ting-fang,et al.Molecular identification of a virus causing mottle symptoms in pepper leaves in Nanjing[J].,2015,(06):1284-1290.[doi:doi:10.3969/j.issn.1000-4440.2015.06.014]
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南京辣椒上一种斑驳类型病毒病的分子鉴定()
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江苏农业学报[ISSN:1006-6977/CN:61-1281/TN]

卷:
期数:
2015年06期
页码:
1284-1290
栏目:
植物保护
出版日期:
2015-12-31

文章信息/Info

Title:
Molecular identification of a virus causing mottle symptoms in pepper leaves in Nanjing
作者:
吴淑华1赵文浩12李廷芳13程兆榜1潘宝贵4郭青云5王述彬4季英华1周益军1
(1.江苏省农业科学院植物保护研究所,江苏南京210014;2.南京农业大学植物保护学院,江苏南京210014;3.青海大学农牧学院,青海西宁810016;4.江苏省农业科学院蔬菜研究所,江苏南京210014;5.青海省农业科学院植物保护研究所,青海西宁810016)
Author(s):
WU Shu-hua1ZHAO Wen-hao12LI Ting-fang13CHENG Zhao-bang1PAN Bao-gui4GUO Qing-yun5WANG Shu-bin4JI Ying-hua1ZHOU Yi-jun1
(1.Institute of Plant Protection,Jiangsu Academy of Agricultural Sciences,Nanjing 210014,China;2.College of Plant Protection, Nanjing Agricultural University,Nanjing 210014,China;3.Agriculture and Animal Husbandry College of Qinghai University,Xining 810016 ,China;4.Institute of Vegetable Crops,Jiangsu Academy of Agricultural Sciences,Nanjing 210014,China;5.Institute of Plant Protection,Qinghai Academy of Agricultural Sciences,Xining 810016,China)
关键词:
辣椒辣椒轻斑驳病毒RT-PCR分子检测与鉴定
Keywords:
pepperpepper mild mottle virusRT-PCRmolecular detection and identification
分类号:
S641.3
DOI:
doi:10.3969/j.issn.1000-4440.2015.06.014
文献标志码:
A
摘要:
为明确江苏省南京地区植株叶片表现斑驳症状的辣椒病毒病病原,针对性地开展该病的防治工作提供理论依据。2014年,我们对江苏省南京地区辣椒病毒病发生情况进行了调查,采集了70份表现斑驳症状的叶片样品,通过提取样品总RNA,分别用烟草花叶病毒属的简并引物Tob-Uni1/Tob-Uni2和辣椒轻斑驳病毒的特异性引物PMMoV-F/PMMoV-R进行RT-PCR分子检测,经序列测定、BLAST分析和MEGA6系统进化分析对病原进行鉴定。RT-PCR结果显示,在70份样品中,61份样本扩增到804 bp (烟草花叶病毒属病毒)和576 bp (辣椒轻斑驳病毒)的预期目的片段,检出率高达87.14%;序列BLAST分析结果显示,样品病毒与辣椒轻斑驳病毒的同源性最高(>98.3%),暗示其为PMMoV;MEGA6系统进化分析表明南京的辣椒病毒病病原属于PMMoV。2014年江苏省南京地区植株叶片表现斑驳症状的辣椒病毒病病原为烟草花叶病毒属的辣椒轻斑驳病毒,该病毒近年来在江苏首次发现。
Abstract:
The viral pathogen and its occurrence in pepper with leaf mottle symptoms in Nanjing, Jiangsu province were studied to provide theoretical references for the control of pepper viral disease. In 2014, total RNA from 70 pepper samples with leaf mottle symptoms were extracted and RT-PCR was performed using degenerate primers (Tob-Uni1/Tob-Uni2) for Tobamovirus and specific primers (PMMoV-F/PMMoV-R) for pepper mild mottle virus (PMMoV). A fragment of 804 bp expected to be Tobamovirus and a 576-bp fragment expected to be PMMoV were amplified from 61 samples out of 70, with the detection rate of 87.14%. BLAST analysis showed that the nucleotide sequences of these samples shared higher similarity (>98.3%) with PMMoV, indicating that the virus was an isolate of PMMoV. Phylogenetic analysis demonstrated that the virus in the pepper of Nanjing belongs to PMMoV isolate Tobamovirus.

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备注/Memo

备注/Memo:
收稿日期:2015-04-23 基金项目:国家公益性行业(农业)专项(201303028);江苏省农业科技自主创新基金项目[CX(12)1004];江苏省“333”高层次人才培养工程科研项目(BRA2013262);国家自然科学基金项目(31100366);江苏省食品质量安全重点实验室-省部共建国家重点实验室培育基地项目(4911406) 作者简介:吴淑华(1962-),女,黑龙江哈尔滨人,学士,副研究员,主要从事植物病毒学研究。(Tel)025-84390394; (E-mail)wushuhua@jaas.ac.cn 通讯作者:季英华,(Tel)025-84390394;(E-mail)jiyinghua@jaas.ac.cn。周益军,(Tel)025-84390391;(E-mail)yjzhou@jaas.ac.cn
更新日期/Last Update: 2015-12-31