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151884 - Phylogenetic diversity and physiological roles of plant.pdf (6.35 MB)

Phylogenetic diversity and physiological roles of plant monovalent cation/H(+)antiporters

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posted on 2023-05-21, 10:57 authored by Isayenkov, SV, Dabravolski, SA, Pan, T, Sergey ShabalaSergey Shabala
The processes of plant nutrition, stress tolerance, plant growth, and development are strongly dependent on transport of mineral nutrients across cellular membranes. Plant membrane transporters are key components of these processes. Among various membrane transport proteins, the monovalent cation proton antiporter (CPA) superfamily mediates a broad range of physiological and developmental processes such as ion and pH homeostasis, development of reproductive organs, chloroplast operation, and plant adaptation to drought and salt stresses. CPA family includes plasma membrane-bound Na+/H(+)exchanger (NhaP) and intracellular Na+/H(+)exchanger NHE (NHX), K(+)efflux antiporter (KEA), and cation/H(+)exchanger (CHX) family proteins. In this review, we have completed the phylogenetic inventory of CPA transporters and undertaken a comprehensive evolutionary analysis of their development. Compared with previous studies, we have significantly extended the range of plant species, including green and red algae and Acrogymnospermae into phylogenetic analysis. Our data suggest that the multiplication and complexation of CPA isoforms during evolution is related to land colonisation by higher plants and associated with an increase of different tissue types and development of reproductive organs. The new data extended the number of clades for all groups of CPAs, including those for NhaP/SOS, NHE/NHX, KEA, and CHX. We also critically evaluate the latest findings on the biological role, physiological functions and regulation of CPA transporters in relation to their structure and phylogenetic position. In addition, the role of CPA members in plant tolerance to various abiotic stresses is summarized, and the future priority directions for CPA studies in plants are discussed.

History

Publication title

Frontiers in Plant Science

Volume

11

Article number

573564

Number

573564

Pagination

1-20

ISSN

1664-462X

Department/School

Tasmanian Institute of Agriculture (TIA)

Publisher

Frontiers Research Foundation

Place of publication

Switzerland

Rights statement

Copyright 2020 The Author(s) Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

Repository Status

  • Open

Socio-economic Objectives

Environmentally sustainable plant production not elsewhere classified; Climate adaptive plants

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