ArticleThe Plant cell2011
Identification of an Arabidopsis plasma membrane-located ATP transporter important for anther development.
Article in The Plant cell, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 35 papers.
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Who cites it
35 citing papers in PubMed, 80 citations in OpenAlex.
- Role of Apyrase in Mobilization of Phosphate from Extracellular Nucleotides and in Regulating Phosphate Uptake in Arabidopsis.International journal of molecular sciences · 2025Article
- Article
- Extracellular ATP: an emerging multifaceted regulator of plant fitness.Plant biotechnology journal · 2025Review
- Purine-based infochemicals and immunometabolites: a comparative review of emerging signaling pathways in plants and animals.FEMS microbiology reviews · 2025Review
- The Plasma Membrane Purinoreceptor P2K1/DORN1 Is Essential in Stomatal Closure Evoked by Extracellular Diadenosine Tetraphosphate (ApInternational journal of molecular sciences · 2023Article
- Article
- Signals and Their Perception for Remodelling, Adjustment and Repair of the Plant Cell Wall.International journal of molecular sciences · 2023Review
- Article
- The involvement of extracellular ATP in regulating the stunted growth of Arabidopsis plants by repeated wounding.BMC plant biology · 2022Article
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- Phosphate-deprivation and damage signalling by extracellular ATP.Frontiers in plant science · 2022Article
- Loci harboring genes with important role in drought and related abiotic stress responses in flax revealed by multiple GWAS models.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Article
- Characterization of In Vivo Function(s) of Members of the Plant Mitochondrial Carrier Family.Biomolecules · 2020Review
- Arabidopsis Lectin Receptor Kinase P2K2 Is a Second Plant Receptor for Extracellular ATP and Contributes to Innate Immunity.Plant physiology · 2020Article
- Review
- DORN1/P2K1 and purino-calcium signalling in plants: making waves with extracellular ATP.Annals of botany · 2020Article
- Nucleotide Metabolism in Plants.Plant physiology · 2020Article
- Article
- Extracellular ATP released by copper stress could act as diffusible signal in alleviating the copper stress-induced cell death.Protoplasma · 2019Article
- ATP as Phosphorus and Nitrogen Source for Nutrient Uptake byFrontiers in plant science · 2019Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
ATP acts as an extracellular signal molecule in plants. However, the nature of the mechanisms that export this compound into the apoplast are under debate. We identified the protein PM-ANT1 as a candidate transporter able to mediate ATP export. PM-ANT1 joins the mitochondrial carrier family, lacks an N-terminal amino acid extension required for organelle localization, and locates to the plasma membrane. Recombinant PM-ANT1 transports ATP, and the gene is substantially expressed in mature pollen grains. Artificial microRNA (amiRNA) mutants show reduced silique length and less seeds per silique but increased seed weight associated with unchanged pollen viability. Anthers from amiRNA mutants exhibited a normal early development, but stomium breakage is inhibited, leading to impaired anther dehiscence. This results in reduced self-pollination and thus decreased fertilization efficiency. amiRNA pollen grains showed increased intracellular ATP levels but decreased extracellular ATP levels. The latter effects are in line with transport properties of recombinant PM-ANT1, supporting in planta that functional PM-ANT1 resides in the plasma membrane and concur with the PM-ANT1 expression pattern. We assume that PM-ANT1 contributes to ATP export during pollen maturation. ATP export may serve as an extracellular signal required for anther dehiscence and is a novel factor critical for pollination and autogamy.
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