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La biblioteca científica – SciELO Colombia, es una biblioteca electrónica que incluye, una colección seleccionada de revistas científicas Colombiana, en todas las áreas del conocimiento.

Journal Article

Journal article

Evaluación y selección de un protocolo vía Agrobacterium para la incorporación de resistencia al cogollero en la variedad de tomate Unapal-Arreboles  [2009]

Ramírez, Hernando(Universidad Nacional de Colombia, Sede Palmira Facultad de Ciencias Agropecuarias); Lentini, Zaida(2Centro Internacional de Agricultura Tropical (CIAT)); Vallejo Cabrera, Franco Alirio(Universidad Nacional de Colombia, Sede Palmira Facultad de Ciencias Agropecuarias);

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A plant transformation methodology was selected and evaluated to incorporate the cry1Ab gene by Agrobacterium-mediate genetic transformation into tomato variety UNAPAL-Arreboles for resistance to budworm (Tuta absoluta). A total of 59 transgenic plants were regenerated from 3.200 explants (1.84%). Histochemical gus assay and molecular analysis of three independent events To28, To33 and To47 and corresponding T1 derived generations, demonstrate the stable integration, expression and inheritance of the nptII and gus-intron genes. However, the molecular and immunological analysis of these same clones, indicate that the cry1Ab gene is not present in the transformed plants, suggesting that the sequence of this gene may be modified as result of possible recombinant events.

From the journal

Acta Agronómica

ISSN : 0120-2812