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handle: 10261/27690
La presente invención relaciona al girasol las semillas que genético se han modificado a través de dos ciclos artificiales de la inducción de las mutaciones seguidas en cada caso por los procedimientos para la identificación de los individuos mutantes que tienen el carácter deseado. El son descrito de las semillas caracterizado en ése que contienen entre el 26% y el 80% de los tocoferoles como delta-tocoferol. Esta producción alta del delta-tocoferol es determinada por el genotipo de las semillas que se han modificado a este efecto, y obtenida siempre independientemente de las condiciones de cultivo, de tal modo obteniendo un carácter que se puede heredar. Hoy, las semillas del girasol que producen tales altos niveles de delta-tocoferol no existen. Plantas genético modificadas del girasol que producen a través de las semillas de la auto-fertilización con los niveles altos del delta-tocoferol y del aceite con la concentración natural alta del delta-tocoferol, extraídas de las semillas, objetivos del son también de la presente invención.
The present invention relates to sunflower seeds which have been genetically modified through two artificial induction cycles of mutations followed in each case by processes for the identification of mutant individuals which have the desired character. The disclosed seeds are characterised in that they contain between 26% and 80% of the tocopherols as delta-tocopherol. This high delta-tocopherol production is determined by the genotype of the seeds which have been modified to this effect, and is always obtained independently of the culture conditions, thereby obtaining an inheritable character. Today, sunflower seeds producing such high levels of delta-tocopherol do not exist. Genetically modified sunflower plants which produce through self-fertilisation seeds with high delta-tocopherol levels and the oil with high natural delta-tocopherol concentration, extracted from the seeds, are also objectives of the present invention.
Fecha de solicitud: 28-05-2009.- Titular: Consejo Superior de Investigaciones Científicas (CSIC)
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