ArticlePlanta2014
Differential tissue-specific expression of NtAQP1 in Arabidopsis thaliana reveals a role for this protein in stomatal and mesophyll conductance of CO₂ under standard and salt-stress conditions.
Article in Planta, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 28 papers.
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Who cites it
28 citing papers in PubMed, 79 citations in OpenAlex.
- Transcriptomic responses of Antarctic plants to in situ warming: uncovering molecular mechanisms behind physiological adjustments.Annals of botany · 2025Article
- Simulated Analysis of Influence of Changes in HPlants (Basel, Switzerland) · 2022Article
- Mesophyll conductance is unaffected by expression of Arabidopsis PIP1 aquaporins in the plasmalemma of Nicotiana.Journal of experimental botany · 2022Article
- Alterations of Endogenous Hormones, Antioxidant Metabolism, and Aquaporin Gene Expression in Relation to γ-Aminobutyric Acid-Regulated Thermotolerance in White Clover.Antioxidants (Basel, Switzerland) · 2021Article
- Condensation of Rubisco into a proto-pyrenoid in higher plant chloroplasts.Nature communications · 2020Article
- Article
- Are Aquaporins Expressed in Stomatal Complexes Promising Targets to Enhance Stomatal Dynamics?Frontiers in plant science · 2020Article
- Mesophyll Abscisic Acid Restrains Early Growth and Flowering But Does Not Directly Suppress Photosynthesis.Plant physiology · 2019Article
- Overexpression of a Wheat Aquaporin Gene,International journal of molecular sciences · 2019Article
- Overexpression of rice aquaporin OsPIP1;2 improves yield by enhancing mesophyll CO2 conductance and phloem sucrose transport.Journal of experimental botany · 2019Article
- Guard-Cell Hexokinase Increases Water-Use Efficiency Under Normal and Drought Conditions.Frontiers in plant science · 2019Article
- Ectopic Expression of a Thellungiella salsuginea Aquaporin Gene, TsPIP1;1, Increased the Salt Tolerance of Rice.International journal of molecular sciences · 2018Article
- Leaf hydraulic vulnerability triggers the decline in stomatal and mesophyll conductance during drought in rice.Journal of experimental botany · 2018Article
- Ectopically expressing MdPIP1;3, an aquaporin gene, increased fruit size and enhanced drought tolerance of transgenic tomatoes.BMC plant biology · 2017Article
- Reductions in root hydraulic conductivity in response to clay soil and treated waste water are related to PIPs down-regulation in Citrus.Scientific reports · 2017Article
- Abiotic stresses influence the transcript abundance of PIP and TIP aquaporins in Festuca species.Journal of applied genetics · 2017Article
- Differential gene expression and transport functionality in the bundle sheath versus mesophyll - a potential role in leaf mineral homeostasis.Journal of experimental botany · 2017Article
- The Solanum tuberosum KST1 partial promoter as a tool for guard cell expression in multiple plant species.Journal of experimental botany · 2017Article
- Characterization and Regulation of Aquaporin Genes of Sorghum [Frontiers in plant science · 2017Article
- Modelling water use efficiency in a dynamic environment: An example using Arabidopsis thaliana.Plant science : an international journal of experimental plant biology · 2016Article
Corrections and comments
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Authors and funding
7 authors at 2 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The regulation of plant hydraulic conductance and gas conductance involves a number of different morphological, physiological and molecular mechanisms working in harmony. At the molecular level, aquaporins play a key role in the transport of water, as well as CO₂, through cell membranes. Yet, their tissue-related function, which controls whole-plant gas exchange and water relations, is less understood. In this study, we examined the tissue-specific effects of the stress-induced tobacco Aquaporin1 (NtAQP1), which functions as both a water and CO₂ channel, on whole-plant behavior. In tobacco and tomato plants, constitutive overexpression of NtAQP1 increased net photosynthesis (A(N)), mesophyll CO₂ conductance (g(m)) and stomatal conductance (g(s)) and, under stress, increased root hydraulic conductivity (L(pr)) as well. Our results revealed that NtAQP1 that is specifically expressed in the mesophyll tissue plays an important role in increasing both A(N) and g(m). Moreover, targeting NtAQP1 expression to the cells of the vascular envelope significantly improved the plants' stress response. Surprisingly, NtAQP1 expression in the guard cells did not have a significant effect under any of the tested conditions. The tissue-specific involvement of NtAQP1 in hydraulic and gas conductance via the interaction between the vasculature and the stomata is discussed.
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