@ARTICLE{TreeBASE2Ref18857, author = {Lise Roy and Ashley P.G. Dowling and Claude M. Chauve and Thierry Buronfosse}, title = {Diversity of Phylogenetic Information According to the Locus and the Taxonomic Level: An Example From a Parasitic Mesostigmatid Mite Genus}, year = {2010}, keywords = {phylogenetic signal; evolution of specialization; Dermanyssus; Acari; Mesostigmata}, doi = {}, url = {http://www.mdpi.com/journal/ijms}, pmid = {}, journal = {International Journal of Molecular Sciences}, volume = {11}, number = {}, pages = {}, abstract = {Molecular markers for cladistic analyses may perform differently according to the taxonomic group considered and the historical level under investigation. Here we evaluate the phylogenetic potential of five different markers for resolving evolutionary relationships within the ectoparasitic genus Dermanyssus at the species level, and their ability to address questions about the evolution of specialization. COI provided 9?18% divergence between species (up to 9% within species), 16S rRNA 10?16% (up to 4% within species), ITS1 and 2 2?9% (up to 1% within species) and Tropomyosin intron n 8?20% (up to 6% within species). EF-1 revealed different non-orthologous copies within individuals of Dermanyssus and Ornithonyssus. Tropomyosin intron n was shown containing consistent phylogenetic signal at the specific level within Dermanyssus and represents a promising marker for future prospects in phylogenetics of Acari. Phylogenetic analyses revealed that the generalist condition is apomorphic and D. gallinae represents a complex of hybridized lineages. The split into hirsutus-group and gallinae-group in Dermanyssus does not seem to be appropriate based upon these results and D. longipes appears to be composed of two different entities. } }

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