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A hitchhikers guide to the Galápagos: co-phylogeography of Galápagos mockingbirds and their parasites by Jan Štefka; Paquita EA Hoeck; Lukas F Keller; Vincent S Smith is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is A hitchhikers guide to the Galápagos: co-phylogeography of Galápagos mockingbirds and their parasites about?

## Background Parasites are evolutionary hitchhikers whose phylogenies often track the evolutionary history of their hosts. Incongruence in the evolutionary history of closely associated lineages can be explained through a variety of possible events including host switching and host independent speciation. However, in recently diverged lineages stochastic population processes, such as retention of ancestral polymorphism or secondary contact, can also explain discordant genealogies, even in fully co-speciating taxa. The relatively simple biogeographic arrangement of the Galápagos archipelago, compared with mainland biomes, provides a framework to identify stochastic and evolutionary informative components of genealogic data in these recently diverged organisms. ## Results Mitochondrial DNA sequences were obtained for four species of Galápagos mockingbirds and three sympatric species of ectoparasites - two louse and one mite species. These data were complemented with nuclear EF1α sequences in selected samples of parasites and with information from microsatellite loci in the mockingbirds. Mitochondrial sequence data revealed differences in population genetic diversity between all taxa

Who reads A hitchhikers guide to the Galápagos: co-phylogeography of Galápagos mockingbirds and their parasites?

Author

Jan Štefka; Paquita EA Hoeck; Lukas F Keller; Vincent S Smith

Publisher

BioMed Central; Springer (Biomed Central Ltd.); London: BioMed Central, 2001-; Springer Science and Business Media LLC (ISSN 1471-2148)

Published

2011

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)