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2014, Número 2

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AbanicoVet 2014; 4 (2)


La inocuidad de las proteínas Cry presentes en los alimentos transgénicos

Peña-Betancourt SD

Idioma: Español
Referencias bibliográficas: 53
Paginas: 42-53
Archivo PDF: 380.68 Kb.


RESUMEN

En la actualidad algunos granos, semillas de oleaginosas, forrajes, hormonas y enzimas utilizadas en la producción animal han sufrido modificaciones en su genoma por contener proteínas recombinantes. El objetivo de esta revisión es presentar información científica sobre la inocuidad de las proteínas Cry, presentes en el maíz genéticamente modificado (Bt11, Bt176); existe evidencia de la inocuidad de las proteínas insecticidas Cry1Ab, Cry1Ac, Cry1F que se expresan en ambos eventos, sin que se haya podido confirmar si las proteínas Cry pueden desarrollar alergias en individuos susceptibles, se desconoce la concentración de proteínas recombinantes y del herbicida glifosato, seguras en productos pecuarios como carne, leche, huevo y pescado que proceden de animales alimentados con alfalfa, soya y algodón transgénicos. Se concluye que es importante continuar la búsqueda de bioensayos que garanticen la bioseguridad de los alimentos genéticamente modificados (GM), apoyados en las tecnologías ómicas por lo que se recomienda a las autoridades competentes aplicar los principios de parsimonia, precautorio y de transparencia, particularmente en el caso de la siembra de maíz genéticamente modificado en México.


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