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Agrobacterium -mediated Transformation of Tomato (Lycopersicon esculentum var. Pusa Ruby) with Coat-protein Gene of Physalis Mottle Tymovirus

Journal of Plant Physiology, ISSN: 0176-1617, Vol: 156, Issue: 1, Page: 106-110
2000
  • 34
    Citations
  • 0
    Usage
  • 17
    Captures
  • 0
    Mentions
  • 16
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    34
    • Citation Indexes
      33
    • Policy Citations
      1
      • Policy Citation
        1
  • Captures
    17
  • Social Media
    16
    • Shares, Likes & Comments
      16
      • Facebook
        16

Article Description

Transgenic tomato plants harboring the coat protein (CP) gene of Physalis mottle tymovirus (PhMV) were obtained through Agrobacterium -medidited genetic transformation. The cotyledonary leaves were transformed by cocultivation with Agrobacterium strain LBA4404 carrying the binary vector pBI 121. The CP gene of PhMV was cloned into the binary vector by deleting the GUS gene. Cotyledonary explants were cultured on the regeneration medium supplemented with 50 mg/L kanamycin and 400 mg/L cefotaxime (MSI). Shoots regenerated via callus. Putative transformants were transferred to a rooting medium containing 25 mg/L kanamycin (MS 2), where successful rooting was obtained. Transgenic nature of the transformants was checked by PCR and Western analyses. The Tt progenies segregate into a 3:1 ratio. Southern analysis confirmed the integration of CP gene into the tomato genome of T 1 progenies. The transgenic tomato plants were further challenged with PhMV and exhibited delay in symptom development, thus confirming the establishment of transgenic plants with partial resistance to the virus.

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