ArticleMolecular plant pathology2026
Compartmentalised Function of TaHRC-R Orchestrates ROS Production and Nuclear Condensate Dynamics.
Article in Molecular plant pathology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Compartmentalised Function of TaHRC-R Orchestrates ROS Production and Nuclear Condensate Dynamics.Molecular plant pathology · 2026Article
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8 authors.
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Abstract
Fhb1 is the most widely used locus for Fusarium head blight (FHB) resistance in wheat, yet the mechanistic basis of its candidate gene, TaHRC, remains elusive. Here, we demonstrate that the protein from the resistant allele TaHRC-R localises to both the nucleus and cytoplasm, whereas the susceptible protein TaHRC-S is confined to the nucleus. Remarkably, only TaHRC-R triggered a reactive oxygen species (ROS) burst in planta, dependent on its extranuclear localisation. The N-terminal 21 amino acids that distinguish TaHRC-R from TaHRC-S were essential for its nuclear export and ROS induction. Within the nucleus, TaHRC-R formed heterodimers with TaHRC-S via its N-terminal 21 amino acids and central region, disrupting the formation of large, sparse TaHRC-S condensates and converting them into numerous smaller assemblies. These results reveal a dual, spatially coordinated mechanism whereby TaHRC-R promotes ROS production outside the nucleus while modulating nuclear condensate dynamics to counteract the susceptible allele. This compartmentalised functionality provides a molecular framework for Fhb1-mediated resistance and illustrates a novel paradigm of subcellular specialisation in plant immunity.
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