ArticleJournal of experimental botany2026
The Arabidopsis neutral amino acid transporter UmamiT20 confers Botrytis cinerea susceptibility.
Article in Journal of experimental botany, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Genome-Wide Identification of the Soybean UMAMIT Family and Functional Analysis ofInternational journal of molecular sciences · 2026Article
- Linking sugar sensing to immunity in plants through O-glycosylation of immune-signaling kinases.bioRxiv : the preprint server for biology · 2026Article
- Symbiosis-associated UMAMIT transporters required for establishing efficient nitrogen fixation in Medicago truncatula.The New phytologist · 2026Article
- Coordinated regulation of amino acid metabolism and transport in cereal nitrogen remobilization for grain filling.Frontiers in plant science · 2026Review
- A Cystine Transporter Mediates Nutrient Acquisition and Redox Balance During Wheat Stripe Rust Infection.Molecular plant pathology · 2025Article
Corrections and comments
- Update ofThe2024
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16 authors.
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Abstract
Plant pathogens rely on host-derived nutrients for proliferation, yet the mechanisms by which hosts supply these nutrients remain incompletely understood. Here, we show that infection of Arabidopsis thaliana by the necrotrophic fungus Botrytis cinerea leads to increased accumulation of the amino acid transporter UmamiT20 in leaf veins surrounding the lesions. Functional assays demonstrate that UmamiT20 mediates amino acid transport of a wide range of neutral amino acids. Consistent with a role during infection, umamiT20 knockout mutants displayed significantly reduced susceptibility to B. cinerea. Our findings extend the concept of transporter-mediated susceptibility beyond the SWEET sugar transporters in bacterial blight of rice, cassava, and cotton, to a necrotrophic fungus and implicate nutrients other than sucrose, namely amino acids, in nutrition or nutrient signaling related to immunity. We hypothesize that stacking of mutations in different types of susceptibility-related nutrient carriers to interfere with access to several nutrients may enable engineering of robust pathogen resistance in a wide range of plant-pathogen systems.
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