Proteínas Cry de Bacillus thuringiensis y su interacción con coleópteros

Proteínas Cry de Bacillus thuringiensis y su interacción con coleópteros

El Manejo Integrado de Plagas es un plan fundamental en la agricultura de conservación que armoniza los métodos químicos y biológicos afín de proteger los ecosistemas agrícolas y sus recursos naturales (agua, suelo, aire). El orden Coleóptera es uno de los problemas entomológicos más importante en los cultivos comerciales causando pérdidas de hasta 15%. Se utilizan estrategias de control de insectos tales como técnicas culturales, enemigos naturales, entomopatógenos y agentes químicos. Bacillus thuringiensis (Bt) es una bacteria entomopatógena ampliamente utilizada en el control de insectosplaga de los ordenes Lepidóptera, Coleóptera y Díptera. El factor de virulencia de Bt más importante son las proteínas Cry. Varias proteínas Cry tienen actividad letal contra los insectos coleópteros como Cry1B, Cry1I, Cry3, Cry7, Cry8, Cry9, Cry14, Cry22, Cry23, Cry34, Cry35, Cry36, Cry37, Cry43 y Cry55. Se ha encontrado que cepas de Bt tipo israelensis son activas contra coleópteros. En esta revisión nosotros presentamos los principales ítems relacionados con la actividad biológica de Bt sobre coleópteros-plaga.

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66. DOI: http://dx.doi.org/10.22490/24629448.449