Genome-wide identification and characterisation of Aquaporins in Nicotiana tabacum and their relationships with other Solanaceae species
Date
2020
Authors
De Rosa, Annamaria
Watson-Lazowski, Alexander
Evans, John
Groszmann, Michael
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Publisher
BioMed Central
Abstract
Cellular membranes are dynamic structures, continuously adjusting their composition, allowing plants to respond to developmental signals, stresses, and changing environments. To facilitate transmembrane transport of substrates, plant membranes are embedded with both active and passive transporters. Aquaporins (AQPs) constitute a major family of membrane spanning channel proteins that selectively facilitate the passive bidirectional passage of substrates across biological membranes at an astonishing 108 molecules per second. AQPs are the most diversified in the plant kingdom, comprising of five major subfamilies that differ in temporal and spatial gene expression, subcellular protein localisation, substrate specificity, and post-translational regulatory mechanisms; collectively providing a dynamic transportation network spanning the entire plant. Plant AQPs can transport a range of solutes essential for numerous plant processes including, water relations, growth and development, stress responses, root nutrient uptake, and photosynthesis. The ability to manipulate AQPs towards improving plant productivity, is reliant on expanding our insight into the diversity and functional roles of AQPs
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Keywords
Aquaporins, Major intrinsic protein, Orthologs, Phylogenetics, Gene structure and evolution, Gene expression profile, Nicotiana sylvestris, Nicotiana tomentosiformis, Solanum lycopersicum, Solanum tuberosum
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Source
BMC Plant Biology
Type
Journal article
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Open Access
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Creative Commons Attribution 4.0 International License
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