Plant Responses to Salt Stress: Adaptive Mechanisms
| Autor: | Agustina Bernal-Vicente, María Jesús Sánchez-Blanco, Pedro Diaz-Vivancos, María Fernanda Ortuño, José Antonio Hernández, José Ramón Acosta-Motos |
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| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
0301 basic medicine Canopy Biology medicine.disease_cause Photosynthesis 01 natural sciences adaptive mechanisms salinity lcsh:Agriculture 03 medical and health sciences chloroplast Botany medicine oxidative stress antioxidative metabolism Chlorophyll fluorescence osmotic regulation water relations photosynthesis chemistry.chemical_classification fungi lcsh:S food and beverages plant_sciences Chloroplast Salinity 030104 developmental biology chemistry Xanthophyll Photorespiration Agronomy and Crop Science Oxidative stress 010606 plant biology & botany |
| Zdroj: | Agronomy, Vol 7, Iss 1, p 18 (2017) Agronomy, 7(1):18 |
| DOI: | 10.20944/preprints201702.0083.v2 |
| Popis: | This review deals with the adaptive mechanisms that plants can implement to cope with the challenge of salt stress. Plants tolerant to NaCl implement a series of adaptations to acclimate to salinity, including morphological, physiological and biochemical changes. These changes include increases in the root/canopy ratio and in the chlorophyll content in addition to changes in the leaf anatomy that ultimately lead to preventing leaf ion toxicity, thus maintaining the water status in order to limit water loss and protect the photosynthesis process. Furthermore, we deal with the effect of salt stress on photosynthesis and chlorophyll fluorescence and some of the mechanisms thought to protect the photosynthetic machinery, including the xanthophyll cycle, photorespiration pathway, and water-water cycle. Finally, we also provide an updated discussion on salt-induced oxidative stress at the subcellular level and its effect on the antioxidant machinery in both salt-tolerant and salt-sensitive plants. The aim is to extend our understanding of how salinity may affect the physiological characteristics of plants. |
| Databáze: | OpenAIRE |
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