The predominant flavones in the ray florets of chrysanthemum flowers are apigenin and its derivatives. CmHY5 participates in apigenin biosynthesis by directly regulating the expression of FNSII-1 in chrysanthemum. Chrysanthemum (Chrysanthemum morifolium) flowers have been used for centuries as functional food and in herbal tea and traditional medicine. The chrysanthemum flower contains significant amounts of the biologically active compound flavones, which has medicinal properties. However, the mechanism regulating flavones biosynthesis in chrysanthemum flowers organs is still unclear. Here, we compared the transcriptomes and metabolomes of different floral organs between two cultivars with contrasting flavone levels in their flowers. We identified 186 flavonoids by metabolome analysis. The predominant flavones in the ray florets of chrysanthemum flowers are apigenin and its derivatives, of which the contents are highly correlated with the expression of flavones synthase II gene CmFNSII-1. We also determined that CmHY5 is a direct upstream regulator of CmFNSII-1 transcription. We showed that CmHY5 RNAi interference lines in chrysanthemum have lower contents of apigenin compared to wild-type chrysanthemum. Our results demonstrated that CmHY5 participates in flavone biosynthesis by directly regulating the expression of FNSII-1 in chrysanthemum.
Download full-text PDF |
Source |
|---|---|
| http://dx.doi.org/10.1007/s00425-022-04040-9 | DOI Listing |
Publication Analysis
Top Keywords
Similar Publications
FLOWERING LOCUS C-like mediates low-ambient-temperature-induced late flowering in chrysanthemum.
J Exp Bot
January 2025
State Key Laboratory of Crop Genetics and Germplasm Enhancement and Utilization, Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Key Laboratory of Biology of Ornamental Plants in East China, National Forestry and Grassland Administration, College of Horticulture, Nanjing Agricultural University, Nanjing 210095, China.
The flowering time of Chrysanthemum morifolium predominantly depends on day length but is also sensitive to ambient temperature. However, the mechanisms underlying the response of chrysanthemum to ambient temperature are mainly unknown. This study identified a MADS-box transcription factor called CmFLC-like, a representative low ambient temperature-responsive factor induced in chrysanthemum leaves and shoot apical meristems at 15°C.
View Article and Find Full Text PDFCmBBX28-CmMYB9a Module Regulates Petal Anthocyanin Accumulation in Response to Light in Chrysanthemum.
Plant Cell Environ
January 2025
State Key Laboratory of Crop Genetics & Germplasm Enhancement and Utilization. Key Laboratory of Landscaping, Ministry of Agriculture and Rural Affairs, Nanjing, Jiangsu, P. R. China.
Light is one of the most important environmental factors that affect plant growth and development. It also stimulates anthocyanin biosynthesis in plants. However, the precise molecular mechanisms through which light regulates anthocyanin biosynthesis, particularly in non-model plant species, remain poorly understood.
View Article and Find Full Text PDFAging-dependent temporal regulation of MIR156 epigenetic silencing by CiLDL1 and CiNF-YB8 in chrysanthemum.
New Phytol
January 2025
Frontiers Science Center for Molecular Design Breeding (MOE), Department of Ornamental Horticulture, College of Horticulture, China Agricultural University, Beijing, 100193, China.
Temporal decline in microRNA miR156 expression is crucial for the transition to, and maintenance of, the adult phase and flowering competence in flowering plants. However, the molecular mechanisms underlying the temporal regulation of miR156 reduction remain largely unknown. Here, we investigated the epigenetic mechanism regulating the temporal silencing of cin-MIR156 in wild chrysanthemum (Chrysanthemum indicum), focusing on the role of the lysine-specific demethylase CiLDL1 and the nuclear factor Y complex.
View Article and Find Full Text PDFFirst Report of Causing Root Rot on Tulip Poplar in Tennessee and the United States.
Plant Dis
January 2025
Tennessee State University, Otis Floyd Nursery Research Center, 472 Cadillac Lane, McMinnville, Tennessee, United States, 37110;
Tulip poplar () is a member of the Magnolia family, is a large, fast-growing, long-lived, deciduous tree native to eastern North America. One-year-old tulip poplar seedlings grown under field conditions in a commercial nursery in Warren County, Tennessee, exhibited severe root rot in May 2024. Dark brown to black lesions were observed on the affected roots.
View Article and Find Full Text PDFA Case of Allergic Contact Dermatitis Due to Chrysanthemum After Guselkumab Therapy for Palmoplantar Pustulosis.
Cureus
December 2024
Department of Dermatology, Asahikawa Medical University, Asahikawa, JPN.
Eczematous paradoxical reactions are commonly associated with anti-interleukin-17A (anti-IL-17A) antibodies. However, IL-23 p19 inhibitors can also cause similar cutaneous manifestations. We present a case of a 77-year-old Japanese woman with palmoplantar pustulosis (PPP), who developed eczematous lesions on her face, neck, and dorsum of the hands 10 weeks after initiating guselkumab treatment.
View Article and Find Full Text PDFWant AI Summaries of new PubMed Abstracts delivered to your In-box?
Enter search terms and have AI summaries delivered each week - change queries or unsubscribe any time!