Transcription Factor Functional Protein-Protein Interactions in Plant Defense ResponsesReportar como inadecuado


Transcription Factor Functional Protein-Protein Interactions in Plant Defense Responses


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Department of Biochemistry and Molecular Biology, Federal University of Viçosa, Viçosa, Minas Gerais 36570000, Brazil





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Abstract Responses to biotic stress in plants lead to dramatic reprogramming of gene expression, favoring stress responses at the expense of normal cellular functions. Transcription factors are master regulators of gene expression at the transcriptional level, and controlling the activity of these factors alters the transcriptome of the plant, leading to metabolic and phenotypic changes in response to stress. The functional analysis of interactions between transcription factors and other proteins is very important for elucidating the role of these transcriptional regulators in different signaling cascades. In this review, we present an overview of protein-protein interactions for the six major families of transcription factors involved in plant defense: basic leucine zipper containing domain proteins bZIP, amino-acid sequence WRKYGQK WRKY, myelocytomatosis related proteins MYC, myeloblastosis related proteins MYB, APETALA2- ETHYLENE-RESPONSIVE ELEMENT BINDING FACTORS AP2-EREBP and no apical meristem NAM, Arabidopsis transcription activation factor ATAF, and cup-shaped cotyledon CUC NAC. We describe the interaction partners of these transcription factors as molecular responses during pathogen attack and the key components of signal transduction pathways that take place during plant defense responses. These interactions determine the activation or repression of response pathways and are crucial to understanding the regulatory networks that modulate plant defense responses. View Full-Text

Keywords: biotic stress; transcription factor; signaling cascades biotic stress; transcription factor; signaling cascades





Autor: Murilo S. Alves, Silvana P. Dadalto, Amanda B. Gonçalves, Gilza B. de Souza, Vanessa A. Barros and Luciano G. Fietto *

Fuente: http://mdpi.com/



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