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Patent Lens > Technology Landscapes > Agrobacterium-mediated transformation of plants

Roses

Summary

Rosered2Florigene's inventions disclosed in two granted United States patents, a PCT application and their national phase entries are directed to:

  • a method for producing a transformed somatic rose embryo, which expresses an exogenous gene,
  • a method for transforming embryogenic, friable, granular rose callus cells with Agrobacterium,
  • a method for transforming a rose plant and producing transformed rose plantlets, and
  • culture media for callus cultivation and somatic embryo maintenance.

An additional protocol is disclosed to obtain somatic embryos out of a mature somatic tissue, a stamen filament and a leaf explant. These protocols are not limited to transformed tissues.

A new United States patent application has been filed by Florigene. Unlike the granted United States patents, the application describes Agrobacterium-mediated transformation of rose callus cells, without specifying the origin of the callus.

Florigene was founded as a joint venture between DNA Plant Technology Co. (now called S&G Seeds) and Rabobank Biotech Venture Fund, the former also listed as an assignee in the PCT application.

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