ArticleJournal of experimental botany2019
Overexpression of rice aquaporin OsPIP1;2 improves yield by enhancing mesophyll CO2 conductance and phloem sucrose transport.
Article in Journal of experimental botany, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed, 111 citations in OpenAlex.
- Elevated COPlants (Basel, Switzerland) · 2026Article
- Water use efficiency in cereal crops: stomatal, hydraulic, biochemical mechanisms, and translational strategies for improvement.Photosynthesis research · 2026Review
- Two Aquaporins Mitigate Growth-Defence Trade-Offs by Facilitating COPlant biotechnology journal · 2026Article
- Single-cell transcriptome sequencing (ScRNA-seq) uncovers the regulatory role of lodicule cells in rice floret opening (FO).Communications biology · 2026Article
- Nitrogen Management in Crop-Soil-Environment Systems: Pathways Toward Sustainable and Climate-Resilient Agriculture.International journal of molecular sciences · 2026Review
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- Exploring the Effects ofPlants (Basel, Switzerland) · 2025Article
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- Auxin-Producing Pseudomonas Recruited by Root Flavonoids Increases Rice Rhizosheath Formation through the Bacterial Histidine Kinase Under Soil Drying.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Amino Acid Substitutions in Loop C of Arabidopsis PIP2 Aquaporins Alters the Permeability of COPlant, cell & environment · 2025Article
- Evolutionary and Structural Analysis of the Aquaporin Gene Family in Rice.Plants (Basel, Switzerland) · 2025Review
- OsPIP2;4 aquaporin water channel primarily expressed in roots of rice mediates both water and nonselective NaScientific reports · 2025Article
- Greater mesophyll conductance and leaf photosynthesis in the field through modified cell wall porosity and thickness via AtCGR3 expression in tobacco.Plant biotechnology journal · 2024Article
- Analysis of sulfide signaling in rice highlights specific drought responses.Journal of experimental botany · 2024Article
- Review
- AtPIP1;4 and AtPIP2;4 Cooperatively Mediate HPlants (Basel, Switzerland) · 2024Article
- COPlanta · 2023Review
- Article
- Genomic diversity of aquaporins across genus Oryza provides a rich genetic resource for development of climate resilient rice cultivars.BMC plant biology · 2023Article
- Aquaporins and COFrontiers in physiology · 2023Review
Corrections and comments
- Erratum issued
Authors and funding
14 authors at 5 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aquaporins are involved in CO2 transport from the leaf intercellular air space to the chloroplast, which contributes to CO2 assimilation. However, the mechanism of CO2 transport by rice (Oryza sativa L.) aquaporins is unknown. Here, we investigated the function of the aquaporin OsPIP1;2 in CO2 diffusion-associated photosynthesis and phloem sucrose transport. Moreover, the grain yield of rice lines overexpressing OsPIP1;2 was determined. OsPIP1;2 was localized to the plasma membrane and the relative expression of OsPIP1;2 was approximately 5-fold higher in leaves in the presence of an elevated CO2 concentration. Overexpression of OsPIP1;2 increased mesophyll conductance by approximately 150% compared with wild-type (WT) rice. The OsPIP1;2-overexpressing lines had higher biomass than the WT, possibly due to increased phloem sucrose transport. In addition, the grain yield of OsPIP1;2-overexpressing lines was approximately 25% higher than that of the WT in three-season field experiments, due to the increased numbers of effective tillers and spikelets per panicle. Our results suggest that OsPIP1;2 modulates rice growth and grain yield by facilitating leaf CO2 diffusion, which increases both the net CO2 assimilation rate and sucrose transport.
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