期刊
JOURNAL OF BIOTECHNOLOGY
卷 324, 期 -, 页码 134-142出版社
ELSEVIER
DOI: 10.1016/j.jbiotec.2020.10.003
关键词
Aquaporins; Arbuscular mycorrhizae; Nutrient transporters; Drought; Water relations
资金
- Spanish Ministerio de Ciencia, Innovacion y Universidades [AGL2016-80247-C2-1-R, RTC-20176119-2]
Drought stress is one of the major abiotic factors affecting the growth and development of crops. The primary effect of drought is the alteration of water and nutrient uptake and transport by roots, related essentially with aquaporins and ion transporters of the plasma membrane. Therefore, the efficiency of water and nutrient transport across cell layers is a main factor in tolerance mechanisms. The regulation of this transport under water stress - in relation to the differing degrees of tolerance of crops and the effect of arbuscular mycorrhizae, together with signaling mechanisms - is reviewed here. Three different phases in the response to stress (immediate, short-term and long-term), involving different signals and levels of gene regulation, are highlighted.
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