Unraveling the regulatory mechanism of petal spot formation in Rhododendron rivulare by integrated transcriptome and metabolome analysis
• Integrated multi-omics reveals anthocyanin-driven spot formation in Rhododendron rivulare. • Eighty-four anthocyanins are identified, with twelve key pigments defining spot-specific coloration. • Transcriptome uncovers 13,570 DEGs and 2293 conserved regulators strongly correlated with pigmentation. • A coordinated module of structural genes and transcriptional activators (e.g., RsMYB1) is characterized. • Anatomical and colorimetric evidence supports a metabolism-dependent, non-structural model for spot patterning.
Authors
- Song-Yu Li
- Min-Huan Zhang
- Yutong Li (ORCID: https://orcid.org/0009-0003-3015-8351)
- Feng-Xia SHAO
- Yao Li
- Xin-Xin Lian
- Jian-Wei Yang
- Lin-Shi Wu
- Juan He
- Ya-Feng Wen
- Ju-Yang Liao
Institutions
- Central South University of Forestry and Technology (CN)
- Central South University (CN)
- Hunan Normal University (CN)
Publication Details
- Journal
- Industrial Crops and Products
- Published
- 2026-05-27
- DOI
- https://doi.org/10.1016/j.indcrop.2026.123536
- Primary Topic
- Plant biochemistry and biosynthesis
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Forestry and Grassland Administration
- Central South University of Forestry and Technology