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Establishment of a Simple and Rapid Gene Delivery System for Cucurbits by Using Engineered Zucchini Yellow Mosaic Virus

  • Kang, Minji (Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University) ;
  • Seo, Jang Kyun (Crop Protection Division, National Academy of Agricultural Science) ;
  • Choi, Hoseong (Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University) ;
  • Choi, Hong Soo (Crop Protection Division, National Academy of Agricultural Science) ;
  • Kim, Kook Hyung (Department of Agricultural Biotechnology and Research Institute of Agriculture and Life Sciences, Seoul National University)
  • Received : 2015.08.28
  • Accepted : 2015.10.02
  • Published : 2016.02.01

Abstract

The infectious full-length cDNA clone of zucchini yellow mosaic virus (ZYMV) isolate PA (pZYMV-PA), which was isolated from pumpkin, was constructed by utilizing viral transcription and processing signals to produce infectious in vivo transcripts. Simple rub-inoculation of plasmid DNAs of pZYMV-PA was successful to cause infection of zucchini plants (Cucurbita pepo L.). We further engineered this infectious cDNA clone of ZYMV as a viral vector for systemic expression of heterologous proteins in cucurbits. We successfully expressed two reporter genes including gfp and bar in zucchini plants by simple rub-inoculation of plasmid DNAs of the ZYMV-based expression constructs. Our method of the ZYMV-based viral vector in association with the simple rub-inoculation provides an easy and rapid approach for introduction and evaluation of heterologous genes in cucurbits.

Keywords

References

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