ArticleHorticulture research2021
Integrating full-length transcriptomics and metabolomics reveals the regulatory mechanisms underlying yellow pigmentation in tree peony (Paeonia suffruticosa Andr.) flowers.
Article in Horticulture research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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33 citing papers in PubMed, 71 citations in OpenAlex.
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- Multi-omics integrated analysis reveals the key metabolic regulation mechanisms of petal color in Phalaenopsis aphrodite Rchb.f.Plant cell reports · 2026Article
- The PrFRS2-PrMYB75a module regulates petal coloration in flare tree peony (Horticulture research · 2026Article
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- Integrated metabolomic and transcriptomic analyses reveal distinct flavonoid biosynthetic pathways underlying petal color diversity inFrontiers in plant science · 2026Article
- Integrated transcriptomic and metabolomic analysis unveils heat-tolerance-associated flavonoid metabolites and genes in the rice rel1-D mutant.BMC genomics · 2025Article
- Physiological and biochemical basis of flower coloration in Aquilegia oxysepala with a functional study of AoDFR08.BMC plant biology · 2025Article
- Unlocking the molecular secrets ofHorticulture research · 2025Article
- Differential Analysis of Anthocyanins in Red and Yellow Hawthorn (Molecules (Basel, Switzerland) · 2025Article
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- Elucidation of the key flavonol biosynthetic pathway in goldenHorticulture research · 2025Article
- Interaction of PsMYB4 with PsEGL3 inhibits anthocyanin biosynthesis in tree peony yellow flowers.Frontiers in plant science · 2025Article
- PdMATE16 and PdMATE35 are essential for the accumulation of multiple flavonoids in tree peonies.Frontiers in plant science · 2025Article
- Transcriptional regulation of flavonol biosynthesis in plants.Horticulture research · 2024Review
- Abscisic acid-induced transcription factor PsMYB306 negatively regulates tree peony bud dormancy release.Plant physiology · 2024Article
- Comparative Analysis of Metabolome and Transcriptome in Different Tissue Sites ofMolecules (Basel, Switzerland) · 2024Article
- Flower morphology, flower color, flowering and floral fragrance inFrontiers in plant science · 2024Review
- Integrative analysis of the metabolome and transcriptome reveals the mechanism of polyphenol biosynthesis inFrontiers in plant science · 2024Article
- High-quality assembly and methylome of a Tibetan wild tree peony genome (Horticulture research · 2023Article
- Integration of Metabolomics and Transcriptomics to Explore Dynamic Alterations in Fruit Color and Quality in 'Comte de Paris' Pineapples during Ripening Processes.International journal of molecular sciences · 2023Article
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Authors and funding
8 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tree peony (Paeonia suffruticosa Andr.) is a popular ornamental plant in China due to its showy and colorful flowers. However, yellow-colored flowers are rare in both wild species and domesticated cultivars. The molecular mechanisms underlying yellow pigmentation remain poorly understood. Here, petal tissues of two tree peony cultivars, "High Noon" (yellow flowers) and "Roufurong" (purple-red flowers), were sampled at five developmental stages (S1-S5) from early flower buds to full blooms. Five petal color indices (brightness, redness, yellowness, chroma, and hue angle) and the contents of ten different flavonoids were determined. Compared to "Roufurong," which accumulated abundant anthocyanins at S3-S5, the yellow-colored "High Noon" displayed relatively higher contents of tetrahydroxychalcone (THC), flavones, and flavonols but no anthocyanin production. The contents of THC, flavones, and flavonols in "High Noon" peaked at S3 and dropped gradually as the flower bloomed, consistent with the color index patterns. Furthermore, RNA-seq analyses at S3 showed that structural genes such as PsC4Hs, PsDFRs, and PsUFGTs in the flavonoid biosynthesis pathway were downregulated in "High Noon," whereas most PsFLSs, PsF3Hs, and PsF3'Hs were upregulated. Five transcription factor (TF) genes related to flavonoid biosynthesis were also upregulated in "High Noon." One of these TFs, PsMYB111, was overexpressed in tobacco, which led to increased flavonols but decreased anthocyanins. Dual-luciferase assays further confirmed that PsMYB111 upregulated PsFLS. These results improve our understanding of yellow pigmentation in tree peony and provide a guide for future molecular-assisted breeding experiments in tree peony with novel flower colors.
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