Abstract
We have applied a simple method for evaluation of gfp gene expression in plants using a CCD camera and computerized processing of images. Transgenic tobacco plants were obtained by Agrobacterium tumefaciens-mediated transfer of plasmid T-DNA bearing a m-gfp5-ER sequence governed by the 35S promoter together with the nptII selectable marker gene. Presence of the gfp gene in plants was confirmed by a polymerase chain reaction method. Mean brightness values measured using image analysis software showed differences between transgenic and control plants and suggest the possibility of rapid selection of transgenic individuals among regenerants and their progenies.
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