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园艺学报 ›› 2006, Vol. 33 ›› Issue (3): 507-510.

• 研究论文 • 上一篇    下一篇

应用多重RT - PCR检测草莓斑驳病毒和草莓轻型黄边病毒

张志宏;杨洪一*;代红艳;李 贺;肖 敏   

  1. (沈阳农业大学园艺学院, 沈阳110161)
  • 收稿日期:2005-05-20 修回日期:2005-07-01 出版日期:2006-06-25 发布日期:2006-06-25

Detection of Strawberry mottle virus and Strawberry mild yellow edge virus byMultiplex RT-PCR

Zhang Zhihong;Yang Hongyi*;Dai Hongyan; Li He;Xiao Min   

  1. (College of Horticulture, Shenyang Agricultural University, Shenyang, L iaoning 110161, China)
  • Received:2005-05-20 Revised:2005-07-01 Online:2006-06-25 Published:2006-06-25

摘要: 建立了多重RT - PCR同时检测草莓斑驳病毒( SMoV) 和草莓轻型黄边病毒( SMYEV) 的技术体系, 对草莓田间植株和试管苗都可以有效进行检测。多重PCR引物根据引物之间的互补性及引物的Tm值进行筛选。适宜的PCR缓冲液的浓度为2 ×, 退火温度为57℃, 延伸温度为66℃。分别利用单一PCR和多重PCR对微茎尖培养获得的草莓品种宝交早生的11个株系进行了脱毒效果鉴定。

关键词: 多重RT - PCR, 病毒检测, 草莓

Abstract: Amultiplex reverse transcriptase polymerase chain reaction (RT - PCR) assay was developed for simultaneously detecting Strawberry mottle virus ( SMoV) and Strawberry mild yellow edge virus ( SMY2EV). Both field-grown strawberries and microplants were detected effectively. The primers of multiplex PCR were selected by primer-primer interactions and melting temperature. In multiplex PCR for detecting SMoV and SMYEV, the appropriate concentration of PCR buffer was 2 ×, and the appropriate temperatures for anneal and extension were 57℃ and 66℃ respectively. Eleven lines of strawberry ( Fragaria ×ananassa) cultivar‘Hokowase’, which were obtained by mini shoot tip culture in vitro, were screened for virus elimination by standard RT - PCR and multiplex RT - PCR.

Key words: Multiplex RT - PCR, Virus detection, Strawberry