The molecular mechanism of plasma membrane H+-ATPases in plant responses to abiotic stress

Plasma membrane H+-ATPases (PM H+-ATPases) are critical proton pumps that export protons from the cytoplasm to the apoplast. The resulting proton gradient and difference in electrical potential energize various secondary active transport events. PM H+-ATPases play essential roles in plant growth, de...

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Published inJournal of genetics and genomics Vol. 49; no. 8; pp. 715 - 725
Main Authors Li, Jing, Guo, Yan, Yang, Yongqing
Format Journal Article
LanguageEnglish
Published China Elsevier Ltd 01.08.2022
Subjects
Abiotic stress
acid soils
active transport
aluminum
apoplast
cytoplasm
drought
genomics
heavy metals
Molecular mechanism
nutrient deficiencies
plant growth
plasma membrane
PM H+-ATPases
temperature
toxicity
PM H+-ATPases
Abiotic stress
Molecular mechanism
PM H(+)-ATPases
molecular mechanism
abiotic stress
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Summary:Plasma membrane H+-ATPases (PM H+-ATPases) are critical proton pumps that export protons from the cytoplasm to the apoplast. The resulting proton gradient and difference in electrical potential energize various secondary active transport events. PM H+-ATPases play essential roles in plant growth, development, and stress responses. In this review, we focus on recent studies of the mechanism of PM H+-ATPases in response to abiotic stresses in plants, such as salt and high pH, temperature, drought, light, macronutrient deficiency, acidic soil and aluminum stress, as well as heavy metal toxicity. Moreover, we discuss remaining outstanding questions about how PM H+-ATPases contribute to abiotic stress responses.
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ISSN:1673-8527
DOI:10.1016/j.jgg.2022.05.007