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Título: | Silicon crosstalk with reactive oxygen species, phytohormones and other signaling molecules |
Autor: | Tripathi, D.K.; Vishwakarma, K.; Singh, V.P.; Prakash, V.; Sharma, S.; Muneer, S.; Nikolic, M.; Deshmukh, R.; Vaculík, M.; Corpas, Francisco J. CSIC ORCID | Palabras clave: | Abiotic and biotic stress Phytohormones Plant development Nitric oxide Reactive oxygen species (ROS) Signaling cascadesYield |
Fecha de publicación: | 2021 | Editor: | Elsevier | Citación: | Journal of Hazardous Materials 408: 124820 (2021) | Resumen: | Exogenous applications of silicon (Si) can initiate cellular defence pathways to enhance plant resistance to abiotic and biotic stresses. Plant Si accumulation is regulated by several transporters of silicic acid (e.g. Lsi1, Lsi2, and Lsi6), but the precise mechanisms involved in overall Si transport and its beneficial effects remains unclear. In stressed plants, the accumulation of Si leads to a defence mechanism involving the formation of amorphous or hydrated silicic acid caused by their polymerization and interaction with other organic substances. Silicon also regulates plant ionic homeostasis, which involves the nutrient acquisition, availability, and replenishment in the soil through biogeochemical cycles. Furthermore, Si is implicated in modulating ethylene-dependent and jasmonate pathways, as well as other phytohormones, particularly under stress conditions. Crosstalk between Si and phytohormones could lead to improvements in Si-mediated crop growth, especially when plants are exposed to stress. The integration of Si with reactive oxygen species (ROS) metabolism appears to be a part of the signaling cascade that regulates plant phytohormone homeostasis, as well as morphological, biochemical, and molecular responses. This review aims to provide an update on Si interplays with ROS, phytohormones, and other signaling molecules that regulate plant development under stress conditions. | Versión del editor: | http://dx.doi.org/10.1016/j.jhazmat.2020.124820 | URI: | http://hdl.handle.net/10261/255967 | DOI: | 10.1016/j.jhazmat.2020.124820 | Identificadores: | doi: 10.1016/j.jhazmat.2020.124820 issn: 1873-3336 |
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