Abstract:
:Proton (H+) fluxes in plant roots play critical roles in maintaining root growth and facilitating plant responses to multiple soil stresses, including fluctuations in nutrient supply, salt infiltration, and water stress. Soil mining for nutrients and water, rates of nutrient uptake, and the modulation of cell expansion all depend on the regulation of root H+ fluxes, particularly at the root apex, mediated primarily by the activity of plasma membrane (PM) H+-ATPases. Here, we summarize recent findings on the regulatory mechanisms of H+ fluxes at the root apex under three abiotic stress conditions - phosphate deficiency, salinity stress, and water deficiency - and present an integrated physiomolecular view of the functions of H+ fluxes in maintaining root growth in the acclimation to soil stress.
journal_name
Trends Plant Scijournal_title
Trends in plant scienceauthors
Siao W,Coskun D,Baluška F,Kronzucker HJ,Xu Wdoi
10.1016/j.tplants.2020.03.002subject
Has Abstractpub_date
2020-08-01 00:00:00pages
794-804issue
8eissn
1360-1385issn
1878-4372pii
S1360-1385(20)30083-2journal_volume
25pub_type
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