High resolution DNA barcode library for European butterflies reveals continental patterns of mitochondrial genetic diversity
Dincă, Vlad; Dapporto, Leonardo; Somervuo, Panu; Vodă, Raluca; Cuvelier, Sylvain; Gascoigne-Pees, Martin; Huemer, Peter; Mutanen, Marko; Hebert, Paul D. N.; Vila, Roger (2021-03-09)
Dincă, V., Dapporto, L., Somervuo, P. et al. High resolution DNA barcode library for European butterflies reveals continental patterns of mitochondrial genetic diversity. Commun Biol 4, 315 (2021). https://doi.org/10.1038/s42003-021-01834-7
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https://urn.fi/URN:NBN:fi-fe2021042822835
Tiivistelmä
Abstract
The study of global biodiversity will greatly benefit from access to comprehensive DNA barcode libraries at continental scale, but such datasets are still very rare. Here, we assemble the first high-resolution reference library for European butterflies that provides 97% taxon coverage (459 species) and 22,306 COI sequences. We estimate that we captured 62% of the total haplotype diversity and show that most species possess a few very common haplotypes and many rare ones. Specimens in the dataset have an average 95.3% probability of being correctly identified. Mitochondrial diversity displayed elevated haplotype richness in southern European refugia, establishing the generality of this key biogeographic pattern for an entire taxonomic group. Fifteen percent of the species are involved in barcode sharing, but two thirds of these cases may reflect the need for further taxonomic research. This dataset provides a unique resource for conservation and for studying evolutionary processes, cryptic species, phylogeography, and ecology.
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