Phylogenetic relationships and phylogeography of relevant lineages within the complex Campanulaceae family in Macaronesia

Ecology and Evolution
Tiago MenezesM Moura

Abstract

Macaronesia has long been recognized as a natural model for studying evolutionary processes in plant diversification. Several studies have attempted to focus on single lineages, and few have covered the diversification of a family across all the archipelagos. We used a comprehensive sample to clarify the phylogenetic relationships and the biogeographic history of the Macaronesian Campanulaceae. Hypotheses related to the colonization of these archipelagos will be used to examine the diversification patterns of different lineages. We sequenced the ITS region and six cpDNA markers (atpB, matK, petD, rbcL, trnL-F, and psbA-trnH) from 10 Campanulaceae species, including seven endemic species in Macaronesia. The phylogeny of these taxa was reconstructed using maximum parsimony, maximum likelihood, and Bayesian inference. To study the relationships within each lineage, haplotype networks were calculated using NeighborNet and TCS algorithms. Moreover, data were combined with fossil information to construct time-calibrated trees for the Macaronesian Campanulaceae species. The phylogenetic analyses are largely congruent with current taxon circumscriptions, and all the endemic genera formed monophyletic clades, namely Azorina in Azores; M...Continue Reading

References

Jun 9, 2019·International Journal of Molecular Sciences·Maria M RomeirasM Moura

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Related Concepts

Campanulaceae
Study
Campanula
Patterns
CFC1 gene
Trees (plant)
Structure of Fabella
Phylogenetic Analysis
MATK gene
Endemic Goiter

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