ArticleJournal of experimental botany2015
Overexpressing OsPIN2 enhances aluminium internalization by elevating vesicular trafficking in rice root apex.
Article in Journal of experimental botany, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 38 citations in OpenAlex.
- The Transcription Factor OsWRKY64 Interacts With OsART1 to Positively Regulate Al Resistance in Rice.Plant biotechnology journal · 2026Article
- Hormonal Status and the Probable Role of Phytohormones in Response of Pea Cultivar Sparkle and Mutant E107 (Plants (Basel, Switzerland) · 2026Article
- Lead-induced changes in plant cell ultrastructure: an overview.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2025Review
- Systematic Investigation of Aluminum Stress-Related Genes and Their Critical Roles in Plants.International journal of molecular sciences · 2024Review
- Deficiency of Auxin Efflux CarrierPlants (Basel, Switzerland) · 2023Article
- Vesicle trafficking in rice: too little is known.Frontiers in plant science · 2023Review
- Mutation ofInternational journal of molecular sciences · 2022Article
- The NAC transcription factor ANAC017 regulates aluminum tolerance by regulating the cell wall-modifying genes.Plant physiology · 2022Article
- Transcriptome and metabolome analysis of stress tolerance to aluminium in Vitis quinquangularis.Planta · 2021Article
- PIN FORMED 2 Modulates the Transport of Arsenite inPlant communications · 2020Article
- Root Adaptation via Common Genetic Factors Conditioning Tolerance to Multiple Stresses for Crops Cultivated on Acidic Tropical Soils.Frontiers in plant science · 2020Review
- Overexpression ofInternational journal of molecular sciences · 2019Article
- The PIN-FORMED Auxin Efflux Carriers in Plants.International journal of molecular sciences · 2018Review
- Aluminum, a Friend or Foe of Higher Plants in Acid Soils.Frontiers in plant science · 2017Review
- Boron Deficiency in Trifoliate Orange Induces Changes in Pectin Composition and Architecture of Components in Root Cell Walls.Frontiers in plant science · 2017Article
- Transcriptional Regulation of Aluminum-Tolerance Genes in Higher Plants: Clarifying the Underlying Molecular Mechanisms.Frontiers in plant science · 2017Review
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4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Aluminium (Al) sequestration is required for internal detoxification of Al in plant cells. In this study, it was found that the rice OsPIN2 overexpression line (OX1) had significantly reduced Al content in its cell wall and increased Al concentration in cell sap only in rice root tips relative to the wild-type (WT). In comparison with WT, OX1 reduced morin staining of cytosolic Al, enhanced FM 4-64 staining of membrane vesicular trafficking in root tip sections (0-1mm), and showed morin-FM 4-64 fluorescence overlap. Recovery treatment showed that cell-wall-bound Al was internalized into vacuoles via endocytic vesicular trafficking after removal of external Al. In this process, OX1 showed a higher rate of Al internalization than WT. Brefeldin A (BFA) interfered with vesicular trafficking and resulted in inhibition of Al internalization. This inhibitory effect could be alleviated when BFA was washed out, and the process of alleviation was slower in the cells of WT than in those of OX1. Microscopic observations revealed that, upon Al exposure, numerous multilamellar endosomes were detected between the cell wall and plasma membrane in the cells of OX1. Moreover, more vesicles enriched with Al complexes accumulated in the cells of OX1 than in those of WT, and these vesicles transformed into larger structures in the cells of OX1. Taken together, the data indicate that endocytic vesicular trafficking might contribute to Al internalization, and that overexpressing OsPIN2 enhances rice Al tolerance via elevated endocytic vesicular trafficking and Al internalization.
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