ArticleScientific reports2025
Genotyping-by-sequencing of Illicium difengpi highlights its potential genetic diversity and conservation status.
Article in Scientific reports, 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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3 citing papers in PubMed.
- Next-Generation Genotyping: Innovations Driving Plant Genomic Improvement.Life (Basel, Switzerland) · 2026Review
- Genotyping-by-Sequencing Reveals Low Genetic Diversity and Pronounced Geographic Structuring in the Endangered Medicinal PlantPlants (Basel, Switzerland) · 2026Article
- Mechanistic Perspectives From Genomics and Pangenomics of Medicinal and Aromatic Plants: Linking Genome Architecture to Phytochemical Diversity.International journal of genomics · 2026Review
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6 authors.
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Abstract
Illicium difengpi is a critically endangered plant endemic to the karst mountains of Guangxi, China. Because of its medicinal and ecological values, many efforts were made on assessing the medicinal usage, natural history, ex-situ conservation, and stress tolerance of I. difengpi. Due to its extensive genome, whole genome sequencing has not been completed, and there has been limited research on its population genetics. Using genotyping-by-sequencing, we analyzed the single nucleotide polymorphism of 43 samples from 13 different sites, encompassing all the natural habitats of the species. The results showed that I. difengpi has low genetic diversity, which is exemplified by low heterozygosity, polymorphism information content, nucleotide diversity, and small effective population size (80-90). Also, the fixation index indicated that most subpopulations were highly differentiated, presumably due to their geographic isolation. This is a warning that I. difengpi is in real and immediate danger of extinction. Moreover, evolutionary relationship, principal component analysis, and Admixture all suggest that there is an obvious correlation between the geographic and genetic characteristics of I. difengpi. According to our results we suggest conservation strategies to safeguard its sustainability in the future.
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