ArticlePlant physiology1998
Aluminum-resistant Arabidopsis mutants that exhibit altered patterns of aluminum accumulation and organic acid release from roots.
Article in Plant physiology, 1998. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.
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Who cites it
36 citing papers in PubMed, 190 citations in OpenAlex.
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- The Role of Low-Molecular-Weight Organic Acids in Metal Homeostasis in Plants.International journal of molecular sciences · 2024Review
- The chemical ecology of coumarins and phenazines affects iron acquisition by pseudomonads.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Interactive effects of phosphorus fertilization and salinity on plant growth, phosphorus and sodium status, and tartrate exudation by roots of two alfalfa cultivars.Annals of botany · 2022Article
- Understanding the Adaptive Mechanisms of Plants to Enhance Phosphorus Use Efficiency on Podzolic Soils in Boreal Agroecosystems.Frontiers in plant science · 2022Review
- A Defective Vacuolar Proton Pump Enhances Aluminum Tolerance by Reducing Vacuole Sequestration of Organic Acids.Plant physiology · 2019Article
- Molecular and Physiological Logics of the Pyruvate-Induced Response of a Novel Transporter inmBio · 2017Article
- Effects of AlProteomes · 2017Article
- Aluminum, a Friend or Foe of Higher Plants in Acid Soils.Frontiers in plant science · 2017Review
- Protoplasts: a friendly tool to study aluminum toxicity and coffee cell viability.SpringerPlus · 2016Article
- Seeds' physicochemical traits and mucilage protection against aluminum effect during germination and root elongation as important factors in a biofuel seed crop (Ricinus communis).Environmental science and pollution research international · 2014Article
- Coordination between apoplastic and symplastic detoxification confers plant aluminum resistance.Plant physiology · 2013Article
- Low pH, aluminum, and phosphorus coordinately regulate malate exudation through GmALMT1 to improve soybean adaptation to acid soils.Plant physiology · 2013Article
- Aluminum exclusion and aluminum tolerance in woody plants.Frontiers in plant science · 2013Article
- Suppression of phospholipase Dγs confers increased aluminum resistance in Arabidopsis thaliana.PloS one · 2011Article
- Transcriptional profile of maize roots under acid soil growth.BMC plant biology · 2010Article
- Aluminium-induced ion transport in Arabidopsis: the relationship between Al tolerance and root ion flux.Journal of experimental botany · 2010Article
- Fluorescence resonance energy transfer-sensitized emission of yellow cameleon 3.60 reveals root zone-specific calcium signatures in Arabidopsis in response to aluminum and other trivalent cations.Plant physiology · 2010Article
- A focus on natural variation for abiotic constraints response in the model species Arabidopsis thaliana.International journal of molecular sciences · 2009Review
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Al-resistant (alr) mutants of Arabidopsis thaliana were isolated and characterized to gain a better understanding of the genetic and physiological mechanisms of Al resistance. alr mutants were identified on the basis of enhanced root growth in the presence of levels of Al that strongly inhibited root growth in wild-type seedlings. Genetic analysis of the alr mutants showed that Al resistance was semidominant, and chromosome mapping of the mutants with microsatellite and random amplified polymorphic DNA markers indicated that the mutants mapped to two sites in the Arabidopsis genome: one locus on chromosome 1 (alr-108, alr-128, alr-131, and alr-139) and another on chromosome 4 (alr-104). Al accumulation in roots of mutant seedlings was studied by staining with the fluorescent Al-indicator dye morin and quantified via inductively coupled argon plasma mass spectrometry. It was found that the alr mutants accumulated lower levels of Al in the root tips compared with wild type. The possibility that the mutants released Al-chelating organic acids was examined. The mutants that mapped together on chromosome 1 released greater amounts of citrate or malate (as well as pyruvate) compared with wild type, suggesting that Al exclusion from roots of these alr mutants results from enhanced organic acid exudation. Roots of alr-104, on the other hand, did not exhibit increased release of malate or citrate, but did alkalinize the rhizosphere to a greater extent than wild-type roots. A detailed examination of Al resistance in this mutant is described in an accompanying paper (J. Degenhardt, P.B. Larsen, S.H. Howell, L. V. Kochian [1998] Plant Physiol 117: 19-27).
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