totales solubles se realizó por el método de Bradford, por medio de electroforesis en gel de poliacrilamida al 15% para detectar las PRV presentes en los tejidos vegetales. Los resultados indican que las ramas y los brotes de crecimiento anual fueron los órganos con mayor concentración de proteínas totales solubles en letargo, mientras que en producción no se presentó diferencia signicativa de concentración entre los diferentes tejidos estudiados. Se detectó un polipéptido de 20 kDa con características de una PRV en la raíz en la etapa de letargo.Palabras clave: Órganos perennes, frutales, fenología, proteínas, PRVABSTRACT. An analysis of total soluble proteins and vegetative storage proteins (VSPs) in the tissues of pecan (Carya illinonensis Koch var. Western) trees in dormancy and production was carried out. Total soluble proteins were determined using the Bradford method, by means of electrophoresis in 15% polyacrylamide gel, to detect the VSPs present in the plant tissues. The results indicate that the branches and shoots of annual growth were the organs with the highest concentration of total soluble proteins in dormancy, while in production there was no signicant dierence in concentration between the dierent tissues studied. A 20-kDa polypeptide with characteristics of a VSP was detected in the root in the dormancy stage.
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