ArticleAnnals of botany2022
Flavonoids are involved in phosphorus-deficiency-induced cluster-root formation in white lupin.
Article in Annals of botany, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 25 citations in OpenAlex.
- Integrated transcriptomic and proteomic analysis reveals inhibitory effects of naringenin application on soybean roots mainly by interfering with auxin and ROS concentrations.BMC plant biology · 2026Article
- Multi-locus genome-wide association study reveals genomic regions underlying root system architecture traits early growth stage of sorghum germplasm.Scientific reports · 2025Article
- Soil Phosphorus Availability Modulates Host Selectivity ofPlants (Basel, Switzerland) · 2025Article
- HalALMT1 mediates malate efflux in the cortex of mature cluster rootlets of Hakea laurina, occurring naturally in severely phosphorus-impoverished soil.The New phytologist · 2025Article
- Natural variation in the GmVPE1 promoter contributes to phosphorus re-translocation to seeds and improves soybean yield.Plant biotechnology journal · 2025Article
- Effects of phosphorus stress on the growth and secondary metabolism of Artemisia argyi.Journal of plant research · 2023Article
- Review
- Recent advancements in multifaceted roles of flavonoids in plant-rhizomicrobiome interactions.Frontiers in plant science · 2023Review
- Heterogeneous nutrient supply modulates root exudation and accumulation of medicinally valuable compounds inFrontiers in plant science · 2023Article
- Adaptive strategies of plants to conserve internal phosphorus under P deficient condition to improve P utilization efficiency.Physiology and molecular biology of plants : an international journal of functional plant biology · 2022Review
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Authors and funding
8 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsInitiation of cluster roots in white lupin (Lupinus albus) under phosphorus (P) deficiency requires auxin signalling, whereas flavonoids inhibit auxin transport. However, little information is available about the interactions between P deficiency and flavonoids in terms of cluster-root formation in white lupin.
methodsHydroponic and aeroponic systems were used to investigate the role of flavonoids in cluster-root formation, with or without 75 μm P supply. KEY
resultsPhosphorus-deficiency-induced flavonoid accumulation in cluster roots depended on developmental stage, based on in situ determination of fluorescence of flavonoids and flavonoid concentration. LaCHS8, which codes for a chalcone synthase isoform, was highly expressed in cluster roots, and silencing LaCHS8 reduced flavonoid production and rootlet density. Exogenous flavonoids suppressed cluster-root formation. Tissue-specific distribution of flavonoids in roots was altered by P deficiency, suggesting that P deficiency induced flavonoid accumulation, thus fine-tuning the effect of flavonoids on cluster-root formation. Furthermore, naringenin inhibited expression of an auxin-responsive DR5:GUS marker, suggesting an interaction of flavonoids and auxin in regulating cluster-root formation.
conclusionsPhosphorus deficiency triggered cluster-root formation through the regulation of flavonoid distribution, which fine-tuned an auxin response in the early stages of cluster-root development. These findings provide valuable insights into the mechanisms of cluster-root formation under P deficiency.
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