Transgenic Indica rice to the benefit of Less Developed Countries: Towards pest-resistance, and accumulation of beta-carotene in the endosperm
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We have established gene transfer to IRRI breeding lines to explore the contributions of genetic engineering to sustained and stable production of high quality food.Experiments are in progress on the development of resistance towards Yellow Stem Borer, towards Rice Tungro Virus, towards fungal pests, and towards accumulation of provitamin A in the endosperm. So far we have recovered the first transgenic Indica rice with elevated resistance to sheath blight (Rhizoctonia solani) and with 100% resistance against stem borer (Scirpophaga incertulas).We have also harvested seed from a series of transgenic rice plants harbouring a number of different transgenic DNA sequences representing different anti tungro virus disease strategies.And we have so far, been able to initiated the beta-carotene pathway in the endosperm to the accumulation of phytogene, hoping, that it will be possible to subsequently complete the pathway towards provitamin A.
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