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Hannover, Germany

Bergmann T.,ITZ Ecology AND Evolution | Rach J.,ITZ Ecology AND Evolution | Damm S.,ITZ Ecology AND Evolution | Desalle R.,American Museum of Natural History | And 4 more authors.
Molecular Ecology Resources | Year: 2013

The mitochondrial CO1 gene (cytochrome c oxidase I) is a widely accepted metazoan barcode region. In insects, the mitochondrial NADH dehydrogenase subunit 1 (ND1) gene region has proved to be another suitable marker especially for the identification of lower level taxonomic entities such as populations and sister species. To evaluate the potential of distance-based thresholds and character-based DNA barcoding for the identification of problematic species-rich taxa, both markers, CO1 and ND1, were used as test parameters in odonates. We sequenced and compared gene fragments of CO1 and ND1 for 271 odonate individuals representing 51 species, 22 genera and eight families. Our data suggests that (i) the combination of the CO1 and ND1 fragment forms a better identifier than a single region alone; and (ii) the character-based approach provides higher resolution than the distance-based method in Odonata especially in closely related taxonomic entities. © 2013 John Wiley & Sons Ltd.

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