| Wings or winds: inferring bat migration in a stepping-stone archipelago. | |
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MedLine Citation:
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PMID: 21443643 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Abstract Eocene ocean currents and prevailing winds correlate with over-water dispersals of terrestrial mammals from Africa to Madagascar. Since the Early Miocene (about 23 Ma), these currents flowed in the reverse direction, from the Indian Ocean towards Africa. The Comoro Islands are equidistant between Africa and Madagascar and support an endemic land vertebrate fauna that shares recent ancestry predominantly with Madagascar. We examined whether gene flow in two Miniopterus bat species endemic to the Comoros and Madagascar correlates with the direction of current winds, using uni- and bi-parentally inherited markers with different evolutionary rates. Coalescence-based analyses of mitochondrial matrilines support a Pleistocene (approximately 180 000 years ago) colonization event from Madagascar west to the Comoros (distance: 300 km) in the predicted direction. However, nuclear microsatellites show that more recent gene flow is restricted to a few individuals flying against the wind, from Grande Comore to Anjouan (distance: 80 km). |
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Authors:
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N Weyeneth; S M Goodman; B Appleton; R Wood; M Ruedi |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-3-28 |
Journal Detail:
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Title: Journal of evolutionary biology Volume: - ISSN: 1420-9101 ISO Abbreviation: - Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-3-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8809954 Medline TA: J Evol Biol Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Copyright Information:
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© 2011 The Authors. Journal of Evolutionary Biology © 2011 European Society For Evolutionary Biology. |
Affiliation:
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Department of Mammalogy and Ornithology, Natural History Museum of Geneva, Route de Malagnou, Geneva, Switzerland Department of Zoology, Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, IL, USA Vahatra, BP 3972, Antananarivo, Madagascar Department of Genetics, University of Melbourne, Victoria, Australia. |
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