ArticlePlant physiology2023
Ice plant root plasma membrane aquaporins are regulated by clathrin-coated vesicles in response to salt stress.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 19 citations in OpenAlex.
- The Lack of a COPII Cargo Receptor Erv14 Impacts Physiological Functions of the Vacuole in Saccharomyces cerevisiae.Traffic (Copenhagen, Denmark) · 2026Article
- Unlocking the black box: multimodal imaging and quantitative analysis of plant vesicular trafficking.Advanced biotechnology · 2026Review
- Clathrin-mediated endocytosis of ERECTA family receptors is essential for proper stomatal development inProceedings of the National Academy of Sciences of the United States of America · 2026Article
- Integrated proteomic analysis reveals adaptation mechanisms of paper mulberry seedling leaves to nitrogen stress.BMC plant biology · 2026Article
- Molecular characterization of Tetragonia tetragonoides (Pall.) Aquaporin (AQP) members and their roles in the response to combined high salinity-alkalinity-drought and heat stress.BMC plant biology · 2025Article
- Scaffold protein RhCASPL1D1 stabilizes RhPIP2 aquaporins and promotes flower recovery after dehydration in rose (Horticulture research · 2025Article
- Genome-wide identification of Morus notabilis Aquaporin gene family and differential expression of plasma membrane intrinsic proteins in response to Ralstonia pseudosolanacearum infection.BMC plant biology · 2025Article
- DEAD-Box RNA Helicase Family in Physic Nut (Plants (Basel, Switzerland) · 2024Article
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Authors and funding
8 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The regulation of root Plasma membrane (PM) Intrinsic Protein (PIP)-type aquaporins (AQPs) is potentially important for salinity tolerance. However, the molecular and cellular details underlying this process in halophytes remain unclear. Using free-flow electrophoresis and label-free proteomics, we report that the increased abundance of PIPs at the PM of the halophyte ice plant (Mesembryanthemum crystallinum L.) roots under salinity conditions is regulated by clathrin-coated vesicles (CCV). To understand this regulation, we analyzed several components of the M. crystallinum CCV complexes: clathrin light chain (McCLC) and subunits μ1 and μ2 of the adaptor protein (AP) complex (McAP1μ and McAP2μ). Co-localization analyses revealed the association between McPIP1;4 and McAP2μ and between McPIP2;1 and McAP1μ, observations corroborated by mbSUS assays, suggesting that AQP abundance at the PM is under the control of CCV. The ability of McPIP1;4 and McPIP2;1 to form homo- and hetero-oligomers was tested and confirmed, as well as their activity as water channels. Also, we found increased phosphorylation of McPIP2;1 only at the PM in response to salt stress. Our results indicate root PIPs from halophytes might be regulated through CCV trafficking and phosphorylation, impacting their localization, transport activity, and abundance under salinity conditions.
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