营养物
生物
根际
膜
ATP酶
植物营养
生物化学
细胞生物学
生态学
酶
遗传学
细菌
作者
Houqing Zeng,Huiying Chen,Maoxing Zhang,Ming Ding,Feiyun Xu,Feng Yan,Toshinori Kinoshita,Yiyong Zhu
标识
DOI:10.1016/j.tplants.2024.02.010
摘要
Abstract
Plasma membrane H+-ATPases (PMAs) pump H+ out of the cytoplasm by consuming ATP to generate a membrane potential and proton motive force for the transmembrane transport of nutrients into and out of plant cells. PMAs are involved in nutrient acquisition by regulating root growth, nutrient uptake, and translocation, as well as the establishment of symbiosis with arbuscular mycorrhizas. Under nutrient stresses, PMAs are activated to pump more H+ and promote organic anion excretion, thus improving nutrient availability in the rhizosphere. Herein we review recent progress in the physiological functions and the underlying molecular mechanisms of PMAs in the efficient acquisition and utilization of various nutrients in plants. We also discuss perspectives for the application of PMAs in improving crop production and quality.
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