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Bibliographic Details
Main Author:	Analí Toledo Salas
Format:	Artículo científico
Language:	es
Published:	Universidad Nacional Autónoma de México 2018
Subjects:	Ciencias de la Tierra peroxidasas Metales pesados hemoperoxidasas cultivo in vitro respuesta antioxidante
Online Access:	https://www.redalyc.org/articulo.oa?id=37058510014 https://www.redalyc.org/journal/370/37058510014/ https://www.redalyc.org/journal/370/37058510014/html/ https://www.redalyc.org/journal/370/37058510014/37058510014.epub https://www.redalyc.org/journal/370/37058510014/movil https://doi.org/10.20937/RICA.2018.34.04.13
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EVALUACIÓN DEL EFECTO DEL CADMIO SOBRE LA ACTIVIDAD DE FENOLOXIDASAS DE TEJIDO CALLOSO DE Epithelantha micromeris INOCULADO CON RIZOBACTERIAS Analí Toledo Salas María Victoria Hernández Pimentel Aída Verónica Rodríguez Tovar Leonor Angélica Guerrero Zúñiga Angélica Rodríguez Dorantes Ciencias de la Tierra peroxidasas Metales pesados hemoperoxidasas cultivo in vitro respuesta antioxidante Se propone el proceso de biotización como una nueva técnica para el cultivo de tejidos vegetales que permite la asociación entre plantas y microorganismos en condiciones in vitro. A la inoculación de tejido calloso cultivado in vitro se le denomina bacterización, proceso en que las bacterias estimulan el crecimiento de las plántulas e inducen cambios en su desarrollo, lo que les permite potenciar sus mecanismos de respuesta ante el estrés. Uno de los efectos más notables en las plantas expuestas a cadmio es el incremento o disminución de las enzimas antioxidantes, con la posible participación de las fenoloxidasas. El presente trabajo evaluó la respuesta de cultivos de callo de Epithelantha micromeris (Engelm.) inoculados con rizobacterias promotoras del crecimiento vegetal, a través de la actividad de guaiacol peroxidasas y hemoperoxidasas como respuesta al estrés oxidativo producido por la exposición a cadmio. De los resultados obtenidos, la presencia de las rizobacterias per se ocasionó una condición de estrés; no obstante, en presencia de cadmio se indujo una respuesta antioxidante que incluyó el incremento de fenoloxidasas, indicadoras de estrés oxidativo. 2018 artículo científico 0188-4999 https://www.redalyc.org/articulo.oa?id=37058510014 https://www.redalyc.org/journal/370/37058510014/ https://www.redalyc.org/journal/370/37058510014/html/ https://www.redalyc.org/journal/370/37058510014/37058510014.epub https://www.redalyc.org/journal/370/37058510014/movil https://doi.org/10.20937/RICA.2018.34.04.13 es http://www.redalyc.org/revista.oa?id=370 Revista Internacional de Contaminación Ambiental application/pdf Universidad Nacional Autónoma de México Revista Internacional de Contaminación Ambiental (México) Num.4 Vol.34

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