ArticleJournal of experimental botany2010
HvALMT1 from barley is involved in the transport of organic anions.
Article in Journal of experimental botany, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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Who cites it
34 citing papers in PubMed, 108 citations in OpenAlex.
- Expression of the grapevine anion transporter ALMT2 in Arabidopsis roots decreases the shoot Cl-/NO3- ratio under salt stress.Journal of experimental botany · 2025Article
- Early Seedling Screening Reveals Unidentified Al Resistance Mechanisms in Lithuanian Barley Cultivars.International journal of molecular sciences · 2025Article
- Genome-Wide Identification, Molecular Evolution, and Expression Divergence ofFood science & nutrition · 2025Article
- Genome wide identification of MATE and ALMT gene family in lentil (Lens culinaris Medikus) and expression profiling under Al stress condition.BMC plant biology · 2025Article
- GsMYB10 encoding a MYB-CC transcription factor enhances the tolerance to acidic aluminum stress in soybean.BMC plant biology · 2024Article
- Identification and Analysis of Aluminum-Activated Malate Transporter Gene Family Reveals Functional Diversification in Orchidaceae and the Expression Patterns ofInternational journal of molecular sciences · 2024Article
- The Role of Low-Molecular-Weight Organic Acids in Metal Homeostasis in Plants.International journal of molecular sciences · 2024Review
- GmMYB183, a R2R3-MYB Transcription Factor in Tamba Black Soybean (Biomolecules · 2024Article
- Physiological and Transcriptomic Analysis Reveals That Melatonin Alleviates Aluminum Toxicity in Alfalfa (International journal of molecular sciences · 2023Article
- Identification of theFrontiers in plant science · 2023Article
- Molecular response and evolution of plant anion transport systems to abiotic stress.Plant molecular biology · 2022Review
- Metabolome Analysis under Aluminum Toxicity between Aluminum-Tolerant and -Sensitive Rice (Plants (Basel, Switzerland) · 2022Article
- Aluminum in plant: Benefits, toxicity and tolerance mechanisms.Frontiers in plant science · 2022Review
- Article
- The Interaction Between CitMYB52 and CitbHLH2 Negatively Regulates Citrate Accumulation by ActivatingFrontiers in plant science · 2022Article
- The emerging role of GABA as a transport regulator and physiological signal.Plant physiology · 2021Review
- Comprehensive characterization of the3 Biotech · 2020Article
- Molecular Mechanisms for Coping with Al Toxicity in Plants.International journal of molecular sciences · 2019Review
- A sterile hydroponic system for characterising root exudates from specific root types and whole-root systems of large crop plants.Plant methods · 2018Article
- Altered Expression of the Malate-Permeable Anion Channel OsALMT4 Reduces the Growth of Rice Under Low Radiance.Frontiers in plant science · 2018Article
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Authors and funding
8 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Members of the ALMT gene family contribute to the Al(3+) resistance of several plant species by facilitating malate efflux from root cells. The first member of this family to be cloned and characterized, TaALMT1, is responsible for most of the natural variation of Al(3+) resistance in wheat. The current study describes the isolation and characterization of HvALMT1, the barley gene with the greatest sequence similarity to TaALMT1. HvALMT1 is located on chromosome 2H which has not been associated with Al(3+) resistance in barley. The relatively low levels of HvALMT1 expression detected in root and shoot tissues were independent of external aluminium or phosphorus supply. Transgenic barley plants transformed with the HvALMT1 promoter fused to the green fluorescent protein (GFP) indicated that expression of HvALMT1 was relatively high in stomatal guard cells and in root tissues containing expanding cells. GFP fused to the C-terminus of the full HvALMT1 protein localized to the plasma membrane and motile vesicles within the cytoplasm. HvALMT1 conferred both inward and outward currents when expressed in Xenopus laevis oocytes that were bathed in a range of anions including malate. Both malate uptake and efflux were confirmed in oocyte assays using [(14)C]malate as a radiotracer. It is suggested that HvALMT1 functions as an anion channel to facilitate organic anion transport in stomatal function and expanding cells.
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