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Versatile roles of aquaporin in physiological processes and stress tolerance in plants

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Title Versatile roles of aquaporin in physiological processes and stress tolerance in plants
 
Creator Singh, Roshan Kumar
Deshmukh, Rupesh
Muthamilarasan, Mehanathan
Rani, Rekha
Prasad, Manoj
 
Subject Aquaporin
Stress response
Water channel
Gene expression profiling
 
Description Accepted date: 11 February 2020
Aquaporins are pore-forming transmembrane proteins that facilitate the movement of water and many other small neutral solutes across the cells and intracellular compartments. Plants exhibits high diversity in aquaporin isoforms and broadly classified into five different subfamilies on the basis of phylogenetic distribution and subcellular occurrence: plasma membrane intrinsic proteins (PIPs), tonoplast intrinsic proteins (TIPs), nodulin 26-like proteins (NIPs), small basic intrinsic proteins (SIPs) and uncharacterized intrinsic proteins (XIPs). The gating mechanism of aquaporin channels is tightly regulated by post-translational modifications such as phosphorylation, methylation, acetylation, glycosylation, and deamination. Aquaporin expression and transport functions are also modulated by the various phytohormones-mediated signalling in plants. Combined physiology and transcriptome analysis revealed the role of aquaporins in regulating hydraulic conductance in roots and leaves. The present review mainly focused on aquaporin functional activity during solute transport, plant development, abiotic stress response, and plant-microbe symbiosis. Genetically modified plants overexpressing aquaporin-encoding genes display improved agronomic and abiotic stress tolerance.
Authors' work in this area is supported by the Core Grant of National Institute of Plant Genome Research, New Delhi, India. Roshan K Singh acknowledges the Council of Scientific and Industrial Research, Govt. of India, for the research fellowship. Mehanathan Muthamilarasan acknowledges the DST INSPIRE Faculty Award from Department of Science and Technology, Govt. of India. The authors are also thankful to DBT-eLibrary Consortium (DeLCON) for providing access to e-resources.
 
Date 2020-02-24T11:51:59Z
2020-02-24T11:51:59Z
2020
 
Type Article
 
Identifier Plant Physiology and Biochemistry, 149: 178-189
0981-9428
https://doi.org/10.1016/j.plaphy.2020.02.009
https://www.sciencedirect.com/science/article/pii/S0981942820300632?via%3Dihub
http://223.31.159.10:8080/jspui/handle/123456789/1042
 
Language en_US
 
Format application/pdf
 
Publisher Elsevier B.V.