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园艺学报 ›› 2008, Vol. 35 ›› Issue (12): 1843-1848.

• 研究简报 • 上一篇    下一篇

喇叭水仙中百合斑驳病毒的RT-PCR检测及序列分析

刘 博1;明 军1*;刘 春1;罗凤霞2;王春城3;单宏臣3;王晓武1;穆 鼎1   

  1. 1中国农业科学院蔬菜花卉研究所,北京 100081;2金陵科技学院园艺学院,南京 210038;3北京园林绿化局花卉产业处,北京 100029)
  • 收稿日期:2008-07-08 修回日期:2008-09-08 出版日期:2008-12-25 发布日期:2008-12-25
  • 通讯作者: 明 军

Detection and Sequence Analysis of Lily mottle virus in Narcissus pseudonarcissus from the Netherlands by RT-PCR Technique

LIU Bo1,MING Jun1*,LIU Chun1,LUO Feng-xia2,WANG Chun-cheng3,SHAN Hong-chen3,WANG Xiao-wu1,and MU Ding1
  

  1. (1Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China; 2Colloge of Technology and Horticulture of Jinling, Nanjing 210038;3Beijing Municipal Bureau of Parks and Afforestation Division of Flower Industry, Beijing 100029,China)
  • Received:2008-07-08 Revised:2008-09-08 Online:2008-12-25 Published:2008-12-25
  • Contact: MING Jun

摘要:

根据基因库中已发表的百合斑驳病毒(Lily mottle virus, LMoV)外壳蛋白基因序列设计引物,通过RT-PCR方法从喇叭水仙Narcissus pseudonarcissus‘Pink-charm’ 样品中扩增出1条大小与试验设计相符的553 bp的特异性LMoV RT-PCR带。扩增产物序列分析表明:与GenBank中百合斑驳病毒百合分离物核苷酸相似性在90%以上。将该序列翻译为外壳蛋白的氨基酸序列ABW16938发现它完全存在于GenBank上已登录的LMoV病毒外壳蛋白序列NP-945145中,确认喇叭水仙该样品感染了百合斑驳病毒。

关键词: 喇叭水仙, 百合斑驳病毒, RT-PCR, 病毒检测

Abstract:

Lily mottle virus(LMoV)was detected in Narcissus pseudonarcissus using one set of specific primer by reverse transcription-polymerase chain reaction (RT-PCR). A 553bp DNA fragment was amplified from the sample of ‘Pink-charm’ using primers L1 (5'-TGGGCACCTTGTGAATTAC-3') and L2 (5'- TGCTGTATGCCTCTCCGTGC-3'). The primer was designed according to the published sequence of the coat protein of LMoV in the GenBank. Nucleotide sequence of the fragment(GenBank Accession No. EU167936)showed more than 98% identity with other isolates(GenBank Accession Nos.:AJ748256;AJ564636;AB053256;AF531458;AJ564637;AJ748257). Remarkably high Similarity in the nucleotide has been observed despite of their different origins. Besides, amino acid sequence of the amplified virus fragments(GenBank Accession No. ABW16938)is overlapped by the amino acid sequence of LMoV Coat protein(GenBank Accession No .NP-945145).

Key words: Narcissus pseudonarcissus, Lily mottle virus, RT-PCR, Virus detection

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