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ACTA HORTICULTURAE SINICA ›› 2006, Vol. 33 ›› Issue (4): 845-848.

• 研究报告 • Previous Articles     Next Articles

Development of a Multiplex PCR Protocol for the Detection of Two Virusesof Banana

Peng Jun1;Wang Guofen1;Huang Junsheng1, 2*;Dai Peng1;Xie Yuping1;Li Weidong3

  

  1. (1 Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Danzhou, Hainan 571737,China; 2 State Key Laboratory of Tropical Crop Biotechnology, Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences, Haikou, Hainan 571101, China; 3Hainan Entry-exit Inspection and Quarantine Bureau of Peoples Republic of China, Haikou, Hainan 570311, China)
  • Received:2005-08-16 Revised:2005-12-01 Online:2006-08-25 Published:2006-08-25

Abstract: A multiplex RT-PCR was developed for the simultaneous detection of two viruses of banana and plantain (Musa spp. ). Two sets of specific primer pairs were designed according to the gene sequence of Banana bunchy top virus (BBTV) replicase region and Cucumber mosaic virus (CMV) coat protein region, respectively. Based upon the establishment of the optimized PCR and RT-PCR detection of BBTV and CMV, the multiplex RT-PCR which can simultaneously detect the two banana viruses was developed. It was shown that all samples infected with BBT and CMV could be amplified simultaneously by multiplex RT-PCR, and yield two specific bands of BBTV (748 bp) and CMV (557 bp) visualized by agarose gel electrophoresis. Sequence analysis of the amplified products showed high homology of BBTV (91% - 99% ) and CMV (93% - 98% )
with the sequences of BBTV and CMV in GenBank.

Key words: Banana, Banana bunchy top virus (BBTV), Cucumber mosaic virus (CMV), Virus detection, RT-PCR