ArticleBMC plant biology2020
Tree peony variegated flowers show a small insertion in the F3'H gene of the acyanic flower parts.
Article in BMC plant biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed, 34 citations in OpenAlex.
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- Interaction of PsMYB4 with PsEGL3 inhibits anthocyanin biosynthesis in tree peony yellow flowers.Frontiers in plant science · 2025Article
- Metabolomic and Transcriptomic Analyses of Flavonoid Biosynthesis in Different Colors of Soybean Seed Coats.International journal of molecular sciences · 2024Article
- Review
- Selection of Stable Reference Genes for QRT-PCR in Tree Peony 'Doulv' and Functional Analysis ofPlants (Basel, Switzerland) · 2024Article
- Investigating the regulatory role ofPeerJ · 2024Article
- The combination of DNA methylation and positive regulation of anthocyanin biosynthesis by MYB and bHLH transcription factors contributes to the petal blotch formation in Xibei tree peony.Horticulture research · 2023Article
- Transcriptomic and Metabolomic Analyses Providing Insights into the Coloring Mechanism ofFoods (Basel, Switzerland) · 2022Article
- Combined Analysis of the Transcriptome and Metabolome Revealed the Mechanism of Petal Coloration inFrontiers in plant science · 2022Article
- DhMYB2 and DhbHLH1 regulates anthocyanin accumulationFrontiers in plant science · 2022Article
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- Tartary buckwheatFrontiers in plant science · 2022Article
- Unraveling the Regulatory Mechanism of Color Diversity inFrontiers in plant science · 2021Article
- Untargeted Metabolome-Transcriptome Joint Analysis Reveals Oxypaeoniflorin Biosynthetic Candidate Genes in Paeonia ostii 'Fengdan' Fruit Pods.Physiologia plantarumArticle
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6 authors at 2 institutions in 1 country.
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Abstract
backgroundThe tree peony (Paeonia suffruticosa Andr.) cultivar 'Er Qiao' is appreciated for its unstable variegated flower coloration, with cyanic and acyanic flowers appearing on different branches of the same plant and occasionally in a single flower or petal. However, the variegation mechanism is still unclear.
resultsIn this study, we found significantly higher contents and more diverse sets of anthocyanins in the cyanic petals than in the acyanic petals. Comparative transcriptome analysis between the two flower types revealed 477 differentially expressed genes (DEGs). Quantitative real-time PCR results verified that the transcript levels of the flavonol synthase (FLS) gene were significantly increased in the acyanic petals. Furthermore, we found that a GCGGCG insertion at 246 bp in the flavonoid 3'-hydroxylase (F3'H) gene-coding region constitutes a duplication of the 241-245 bp section and was consistently found only in acyanic flowers. Sequence alignment of the F3'H gene from different plant species indicated that only the acyanic petals of 'Er Qiao' contained the GCGGCG insertion. The transformation of Arabidopsis tt7-1 lines demonstrated that the ectopic expression of F3'H-cyanic, but not F3'H-acyanic, could complement the colors in the hypocotyl and seed coat.
conclusionIn summary, we found that an indel in F3'H and the upregulation of FLS drastically reduced the anthocyanin content in acyanic petals. Our results provide molecular candidates for a better understanding of the variegation mechanisms in tree peony.
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