ArticlePhysiologia plantarum2022
Elucidating connections between the strigolactone biosynthesis pathway, flavonoid production and root system architecture in Arabidopsis thaliana.
Article in Physiologia plantarum, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Drought Stress Mediated Changes in Food Crops: Mechanisms and Remediation Strategies.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2026Review
- Comprehensive analysis of the effects of foliar application of the synthetic strigolactone analog GR24 during the growth period on postharvest quality and metabolic indicators of pak choi.Food chemistry: X · 2026Article
- Modification of xylan in secondary walls alters cell wall biosynthesis and wood formation programs and improves saccharification.Plant biotechnology journal · 2025Article
- Karrikin signalling: impacts on plant development and abiotic stress tolerance.Journal of experimental botany · 2024Article
- Identification and expression of strigolactone biosynthesis and signaling genes and the in vitro effects of strigolactones in olive (Plant direct · 2024Article
- Non-Targeted Metabolomic Analysis ofMetabolites · 2023Article
- Review
- Identification of new potential downstream transcriptional targets of the strigolactone pathway including glucosinolate biosynthesis.Plant direct · 2023Article
- Friends in Arms: Flavonoids and the Auxin/Cytokinin Balance in Terrestrialization.Plants (Basel, Switzerland) · 2023Review
- Strigolactones in Plants and Their Interaction with the Ecological Microbiome in Response to Abiotic Stress.Plants (Basel, Switzerland) · 2022Review
- Elucidating connections between the strigolactone biosynthesis pathway, flavonoid production and root system architecture in Arabidopsis thaliana.Physiologia plantarum · 2022Article
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9 authors.
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Abstract
Strigolactones (SLs) are the most recently discovered phytohormones, and their roles in root architecture and metabolism are not fully understood. Here, we investigated four MORE AXILLARY GROWTH (MAX) SL mutants in Arabidopsis thaliana, max3-9, max4-1, max1-1 and max2-1, as well as the SL receptor mutant d14-1 and karrikin receptor mutant kai2-2. By characterising max2-1 and max4-1, we found that variation in SL biosynthesis modified multiple metabolic pathways in root tissue, including that of xyloglucan, triterpenoids, fatty acids and flavonoids. The transcription of key flavonoid biosynthetic genes, including TRANSPARENT TESTA4 (TT4) and TRANSPARENT TESTA5 (TT5) was downregulated in max2 roots and seedlings, indicating that the proposed MAX2 regulation of flavonoid biosynthesis has a widespread effect. We found an enrichment of BRI1-EMS-SUPPRESSOR 1 (BES1) targets amongst genes specifically altered in the max2 mutant, reflecting that the regulation of flavonoid biosynthesis likely occurs through the MAX2 degradation of BES1, a key brassinosteroid-related transcription factor. Finally, flavonoid accumulation decreased in max2-1 roots, supporting a role for MAX2 in regulating both SL and flavonoid biosynthesis.
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