ArticleAnnals of botany2022
Comparative phylogeography study reveals introgression and incomplete lineage sorting during rapid diversification of Rhodiola.
Article in Annals of botany, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 19 citations in OpenAlex.
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- Comprehensive analysis of 385 chloroplast genomes unveils phylogenetic relationships and evolutionary history in cassava.BMC plant biology · 2025Article
- Confusing boundaries of the Labrador tea species: dispersal history explains the lack of clear species structure.Annals of botany · 2024Article
- Phylogeography of a herbalEcology and evolution · 2024Article
- Intraspecific Differentiation ofGenes · 2024Article
- Phylogenetic relationships and genetic diversity of the Korean endemic Phedimus latiovalifolius (Crassulaceae) and its close relatives.Scientific reports · 2024Article
- Phylogeographic Structure and Population Dynamics of Baoxing Osmanthus (Plants (Basel, Switzerland) · 2024Article
- Comparative chloroplast genomes: insights into the identification and phylogeny of rapid radiation genusFrontiers in plant science · 2024Article
- Hybridization and divergent climatic preferences drive divergence of two allopatric Gentiana species on the Qinghai-Tibet Plateau.Annals of botany · 2023Article
- The nuanced nature of mesic refugia in arid landscapes: a tale of two peas.Annals of botany · 2022Article
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Authors and funding
11 authors at 6 institutions in 3 countries.
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No grant is acknowledged in the PubMed record.
Abstract
BACKGROUND AND
aimsMany plant taxa in the Qinghai-Tibetan Plateau (QTP) and the Hengduan Mountains (HM) radiated rapidly during the Quaternary but with frequent secondary contact between diverging populations. Incomplete lineage sorting and introgressive hybridization might be involved during the rapid radiation, but their effects on phylogeography have not been fully determined.
methodsWe investigated the chloroplast DNA (cpDNA)/internal transcribed spacer (ITS) sequence variations of 611 samples of Rhodiola bupleuroides, R. discolor, R. fastigiata and R. chrysanthemifolia from the QTP and HM to compare the phylogeographic patterns between the four species with different evolutionary histories, geographic ranges and reproductive modes. KEY
resultsThe divergence times of these species were consistent with the last peak of in situ speciation in the HM. While closely related species exhibited different phylogeographic patterns, they shared several ribotypes and haplotypes in sympatric populations, suggesting introgressive hybridization. A significant phylogenetic discordance between ribotypes and haplotypes was detected in three species, implying incomplete lineage sorting. Rhodiola discolor houses an extraordinary richness of cpDNA haplotypes, and this finding may be attributed to adaptive radiation.
conclusionIn addition to geographic isolation and climate oscillations during the Quaternary, both introgressive hybridization and incomplete lineage sorting play important roles in species that experienced rapid diversification in the QTP and HM.
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