ArticlePlant cell reports2024
Transcriptomic and metabolomic analyses reveal CmMYB308 as a key regulator in the pink flower color variation of 'Dante Purple' chrysanthemum.
Article in Plant cell reports, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
What it found
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Who cites it
3 citing papers in PubMed.
- Metabolome and transcriptome integration provide insights into petal color variation of Chrysanthemum indicum.BMC plant biology · 2026Article
- The RcMYB308-RcEGL1 module regulates cyanidin accumulation by targeting the RcF3'H promoter in pink roses.BMC plant biology · 2026Article
- Transcriptomic and metabolomic analyses of threeFrontiers in plant science · 2025Article
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Authors and funding
11 authors.
Funding
Abstract
key messageCmMYB308 was identified as a key regulator in chrysanthemum flower color variation from purple to pink by conducting transcriptome and metabolome analysis. CmMYB308 can inhibit anthocyanin biosynthesis by suppressing the expression of CmPAL, CmC4H, and Cm4CL. Flower color variation is a widespread natural occurrence that plays a significant role in floral breeding. We discovered a variation in the flower of the chrysanthemum cultivar 'Dante Purple' (abbreviated as 'DP'), where the flower color shifted from purple to pink. We successfully propagated these pink flowers through tissue culture and designated them as DPM. By conducting transcriptome and metabolome analysis, we identified a reduction in the expression of critical genes involved in anthocyanin biosynthesis-CmPAL, CmC4H, and Cm4CL-in the DPM. This downregulation led to an accumulation of phenylalanine and cinnamic acid within the general phenylpropanoid pathway (GPP), which prevented their conversion into cyanidin and cyanidin 3-glucoside. As a result, the flowers turned pink. Additional transformation and biochemical experiments confirmed that the upregulation of CmMYB308 gene expression in the DPM directly suppressed CmPAL-1 and CmC4H genes, which indirectly affected Cm4CL-3 expression and ultimately inhibited anthocyanin biosynthesis in the DPM. This study offers a preliminary insight into the molecular mechanism underlying chrysanthemum flower color mutation, paving the way for genetic improvements in chrysanthemum flower color breeding.
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