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Artículo

TOR and SnRK1 signaling pathways in plant response to abiotic stresses: Do they always act according to the “yin-yang” model?

Rodriguez, Marianela SoledadIcon ; Parola, Rodrigo; Andreola, SofíaIcon ; Pereyra, Cintia MarianaIcon ; Martínez Noël, Giselle María AstridIcon
Fecha de publicación: 08/2019
Editorial: Elsevier Ireland
Revista: Plant Science
ISSN: 0168-9452
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Bioquímica y Biología Molecular

Resumen

Plants are sessile photo-autotrophic organisms continuously exposed to a variety of environmental stresses. Monitoring the sugar level and energy status is essential, since this knowledge allows the integration of external and internal cues required for plant physiological and developmental plasticity. Most abiotic stresses induce severe metabolic alterations and entail a great energy cost, restricting plant growth and producing important crop losses. Therefore, balancing energy requirements with supplies is a major challenge for plants under unfavorable conditions. The conserved kinases target of rapamycin (TOR) and sucrose-non-fermenting-related protein kinase-1 (SnRK1) play central roles during plant growth and development, and in response to environmental stresses; these kinases affect cellular processes and metabolic reprogramming, which has physiological and phenotypic consequences. The ?yin-yang? model postulates that TOR and SnRK1 act in opposite ways in the regulation of metabolic-driven processes. In this review, we describe and discuss the current knowledge about the complex and intricate regulation of TOR and SnRK1 under abiotic stresses. We especially focus on the physiological perspective that, under certain circumstances during the plant stress response, the TOR and SnRK1 kinases could be modulated differently from what is postulated by the 'yin-yang' concept.
Palabras clave: ABIOTIC STRESSES , ENERGY SENSORS , METABOLIC SIGNALING , PLANT STRESS RESPONSE , SNRK1 , TOR
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/107456
URL: https://www.sciencedirect.com/science/article/abs/pii/S0168945219305187
DOI: https://doi.org/10.1016/j.plantsci.2019.110220
Colecciones
Articulos(CCT - CORDOBA)
Articulos de CTRO.CIENTIFICO TECNOL.CONICET - CORDOBA
Citación
Rodriguez, Marianela Soledad; Parola, Rodrigo; Andreola, Sofía; Pereyra, Cintia Mariana; Martínez Noël, Giselle María Astrid; TOR and SnRK1 signaling pathways in plant response to abiotic stresses: Do they always act according to the “yin-yang” model?; Elsevier Ireland; Plant Science; 288; 8-2019
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