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Descripción
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| Our goal is to characterize the functional interaction between the Arabidopsis Atrboh and the heterotrimeric G proteins in the context of the pathogen response. We performed epistasis studies between the NADPH oxidase mutants atrbohD and atrbohF and mutants in the ¿ (gpa1-4) and ß (agb1-2) subunits of the heterotrimeric G proteins. We observe that agb1-2 suppresses the mutant phenotypes in the atrboh in response to bacteria and the oomycete Hyaloperonospora Arabidopsis (3). This positions the heterotrimeric G proteins downstream of the Atrboh. However, agb1-2 and the atrboh show an additive effect on susceptibility to the necrotrophic fungus Plectosphaerella cucumerina, which suggest two different pathways. There is, therefore, a complex relationship between the signaling of ROS produced by NADPH oxidase and the heterotrimeric G proteins, where the functional interaction between these regulatory systems varies depending on the context of the pathogen. | |
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Internacional
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Si |
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DOI
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Edición del Libro
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0 |
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Editorial del Libro
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ISBN
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978-0-9654625-6-3 |
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Serie
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Título del Libro
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Biology of Plant-Microbe Interactions. Proceedings of the 14th International Congress on Molecular Plant-Microbe Interactions |
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Desde página
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3 |
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Hasta página
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4 |