ArticleFrontiers in genetics2026
Multi-omics profiling reveals an auxin-salicylic acid signaling hub driving flavonoid depletion and accelerated vigor loss in tetraploid Chinese cabbage seeds.
Article in Frontiers in genetics, 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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1 citing paper in PubMed.
- Salicylic acid exerts effects on regulating flower bud differentiation and nutrient contents in red radish.Frontiers in plant science · 2026Article
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7 authors.
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Abstract
Background: Seed vigor, encompassing rapid uniform germination and robust seedling establishment, is critical for crop yield. While induced tetraploidy confers desirable agronomic traits in Chinese cabbage ( Results: TTC assay revealed that seed viability exhibited the most pronounced decline in the 17-year time gradient. Consequently, we prioritized omics analyses on the 19-year and 23-year seeds. Tetraploid seeds demonstrated markedly accelerated viability decline under identical storage conditions, with 2023-harvested tetraploid lots exhibiting the most extensive metabolic rewiring. Comparative transcriptomics revealed ploidy- and year-specific segregation of genes involved in hormone signaling and carbohydrate metabolism. Notably, tetraploid seeds activated a unique auxin--salicylic acid (SA) signaling axis characterized by upregulation of Conclusion: Our findings redefine ploidy-associated seed vigor deterioration as a predictable, metabolically driven syndrome orchestrated by hormone signaling crosstalk and secondary metabolite depletion. The identified auxin--SA signaling axis and energy-metabolism markers provide molecular targets for marker-assisted breeding of high-vigor tetraploid cultivars.
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