ArticleBMC plant biology2025
Plastome phylogenomics unravels the evolutionary relationships and biogeographic history of Chloranthaceae.
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 4 papers.
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4 citing papers in PubMed.
- New generic classification for Korean Peucedanum L. (Apiaceae) species based on deep phylogenomic study.BMC plant biology · 2026Article
- The complete chloroplast genome sequence of Typhonium flagelliforme, an anti-cancer medicinal plant: genome structure, comparative and phylogenetic relationship analysis within Araceae.Functional & integrative genomics · 2026Article
- Comparative Plastome Analysis ofEcology and evolution · 2026Article
- Genomic insights into the mitochondrial architecture ofFrontiers in plant science · 2026Article
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Abstract
backgroundChloranthaceae is a pantropical family of flowering plants distributed mainly across Central and South America, East Asia, and the Pacific, encompassing approximately 73 species belonging to four extant genera-Ascarina, Chloranthus, Hedyosmum, and Sarcandra. As one of the most ancient lineages of extant angiosperms, Chloranthaceae holds substantial value in traditional medicine globally and offers major insights into the evolutionary history of flowering plants. However, phylogenetic relationships within this family remain partially resolved, and its origin continues to be debated. We here sequenced, assembled, annotated, and compared the chloroplast genomes (plastomes) of 22 Chloranthaceae species to investigate their plastome evolution and reconstructed the family's phylogeny by using both plastome and nuclear ribosomal DNA (nrDNA). Additionally, we employed the divergence-extinction-cladogenesis model to infer the ancestral area and historical migration patterns of Chloranthaceae.
resultsResults The plastomes of Chloranthaceae exhibit a typical quadripartite structure, with genome sizes ranging from 157,449 bp to 159,218 bp and encoding 113 unique genes, including 17-18 genes duplicated in inverted repeat (IR) regions. Interestingly, the genus Hedyosmum demonstrated notable IR expansions, resulting in trnH
conclusionConclusions This study provides the most comprehensive plastome-based phylogenomic analysis of Chloranthaceae to date, offering novel insights into its plastome evolution, resolving long-standing ambiguities in interspecific and phylogenetic relationships and reconstructing the probable biogeographic origin and historical migrations of this family. The proposed resources establish a robust framework for future evolutionary investigations within the realm of Chloranthaceae.
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