ArticleBMC plant biology2025
Chromosome-scale assemblies of flowering dogwood cultivars enable identification of candidate genes regulating anthocyanin biosynthesis in leaves and bracts.
Article in BMC plant biology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- First chromosome-scale genome of Cornus kousa K2‡.G3 (Bethesda, Md.) · 2026Article
- Genetic Regulation of Anthocyanin Biosynthesis inPlant direct · 2025Article
- Ornamental origins and genomic frontiers: a review of big-bracted dogwood research.Frontiers in plant science · 2025Review
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Authors and funding
15 authors.
Funding
Abstract
backgroundThe North American-native ornamental tree, flowering dogwood (Cornus florida L.), has a showy bract display that can range in color from white to pink to deep red. Although many trees have white bracts, there is consumer demand for novel pigmentation in the bracts combined with other traits of interest. Because the genetic basis of all traits in flowering dogwood is unknown, combining them using traditional breeding efforts is time, labor, and space-intensive.
resultsWe developed foundational genomic resources to establish marker-assisted selection within flowering dogwood breeding. We generated diploid, chromosome-scale, annotated genome assemblies for one pink-bracted and red-leafed tree and one white-bracted and green-leafed tree. Additionally, a phenotyping protocol for bract color and presence/absence diagnostic SNPs for bract and leaf color were established. We leveraged these resources to evaluate linkage associations and differential gene expression related to anthocyanin biosynthesis to identify candidate genes regulating bract and leaf pigmentation. Within a 14 Mb locus we identified 14 anthocyanin-related genes. Two genes, with MYB (g19533) and RING finger (g19556) binding domains, had both differential gene expression and variants with the expected segregation pattern.
conclusionsThese candidate genes, diagnostic SNPs, and genomic resources will be valuable in combining pink-red bracts with other traits to advance flowering dogwood breeding.
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