ArticlePlant molecular biology2016
Salinity-mediated transcriptional and post-translational regulation of the Arabidopsis aquaporin PIP2;7.
Article in Plant molecular biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.
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Who cites it
26 citing papers in PubMed, 58 citations in OpenAlex.
- Cork oak aquaporins: functional diversity and regulation with insights into drought response.Plant cell reports · 2026Article
- Article
- Scaffold protein RhCASPL1D1 stabilizes RhPIP2 aquaporins and promotes flower recovery after dehydration in rose (Horticulture research · 2025Article
- Promoter of Vegetable PeaInternational journal of molecular sciences · 2024Article
- Exploring aquaporin functions during changes in leaf water potential.Frontiers in plant science · 2023Review
- Soybean Leaf Proteomic Profile Influenced by Rhizobacteria Under Optimal and Salt Stress Conditions.Frontiers in plant science · 2022Article
- Characterization of Differentially Expressed Genes under Salt Stress in Olive.International journal of molecular sciences · 2021Article
- Hormonal and environmental signaling pathways target membrane water transport.Plant physiology · 2021Review
- Review
- A bamboo leaf-specific aquaporin gene PePIP2;7 is involved in abiotic stress response.Plant cell reports · 2021Article
- Salt tolerance ofPhysiology and molecular biology of plants : an international journal of functional plant biology · 2021Article
- Current Understanding of Role of Vesicular Transport in Salt Secretion by Salt Glands in Recretohalophytes.International journal of molecular sciences · 2021Review
- Molecular Characterization and Expression of Four Aquaporin Genes inPlants (Basel, Switzerland) · 2021Article
- Two Aquaporin Genes,Frontiers in plant science · 2021Article
- Controversial Regulation of Gene Expression and Protein Transduction of Aquaporins under Drought and Salinity Stress.Plants (Basel, Switzerland) · 2020Review
- Plasma membrane aquaporins interact with the endoplasmic reticulum resident VAP27 proteins at ER-PM contact sites and endocytic structures.The New phytologist · 2020Article
- Detergent Resistant Membrane Domains in Broccoli Plasma Membrane Associated to the Response to Salinity Stress.International journal of molecular sciences · 2020Article
- Interaction Between the SNARE SYP121 and the Plasma Membrane Aquaporin PIP2;7 Involves Different Protein Domains.Frontiers in plant science · 2020Article
- Subcellular Journey of Rare Cold Inducible 2 Protein in Plant Under Stressful Condition.Frontiers in plant science · 2020Review
- Remove, Recycle, Degrade: Regulating Plasma Membrane Protein Accumulation.The Plant cell · 2019Review
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
key messageSalt stress triggers a simultaneous transcriptional repression and aquaporin internalization to modify root cell water conductivity. Plasma membrane intrinsic proteins (PIPs) are involved in the adjustment of plant water balance in response to changing environmental conditions. In this study, Arabidopsis wild-type (Col-0) and transgenic lines overexpressing PIP2;7 were used to investigate and compare their response to salt stress. Hydraulic conductivity measurements using a high-pressure flowmeter (HPFM) revealed that overexpression of PIP2;7 induced a sixfold increase in root hydraulic conductivity of four week-old Arabidopsis thaliana plants compared to WT. Exposure to a high salt stress (150 mM NaCl) triggered a rapid repression of overall aquaporin activity in both genotypes. Response to salt stress was also investigated in 8 day-old seedlings. Exposure to salt led to a repression of PIP2;7 promoter activity and a significant decrease in PIP2;7 mRNA abundance within 2 h. Concomitantly, a rapid internalization of fluorescently-tagged PIP2;7 proteins was observed but removal from the cell membrane was not accompanied by further degradation of the protein within 4 h of exposure to salinity stress. These data suggest that PIP transcriptional repression and channel internalization act in concert during salt stress conditions to modulate aquaporin activity, thereby significantly altering the plant hydraulic parameters in the short term.
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