Propagation of transgenic plants

Details Propagation of transgenic plants Propagation of transgenic plants

A - Human Necessities

01

H

A01H 4/00 (2006.01) C12N 15/82 (2006.01)

Patent

CA 2754108

Methods for increasing the product yield from plants, preferably transgenic plants, are provided. It has been dis-covered that in vitro cultures from donor plants produce plants that have two or three fold increase in product yield. One embodi-ment provides a method for increasing product yield from a transgenic plant by initiating an in vitro culture from a donor transgenic plant, wherein the donor transgenic plant is genetically engineered to produce a product and regenerating a second trans-genic plant from the in vitro culture, wherein the yield of the product from the second transgenic plant is greater than the yield of the product from the donor transgenic plant. In a preferred embodiment, the transgenic plant is a graminaceous plant such as switchgrass.

La présente invention concerne des procédés entraînant une augmentation du rendement productif des plantes et, de préférence, des plantes transgéniques. On a découvert que des cultures in vitro issues de plantes donneuses produisent des plantes dont le rendement productif est multiplié par deux ou trois. Un mode de réalisation concerne un procédé entraînant une augmentation du rendement productif d'une plante transgénique grâce à la mise en place d'une culture in vitro à partir d'une plante transgénique donneuse, ladite plante transgénique donneuse étant génétiquement modifiée pour donner un produit et régénérer une seconde plante transgénique à partir de la culture in vitro, le rendement productif de la seconde plante transgénique étant supérieur au rendement productif de la plante transgénique donneuse. Dans un mode de réalisation préféré, la plante transgénique est une graminée comme le panic érigé.

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