Shifting Quaternary migration patterns in the Bahamian archipelago: Evidence from the Zamia pumila complex at the northern limits of the Caribbean island biodiversity hotspot

American Journal of Botany
Dayana E Salas-LeivaDavid Knowles

Abstract

The Bahamas archipelago is formed by young, tectonically stable carbonate banks that harbor direct geological evidence of global ice-volume changes. We sought to detect signatures of major changes on gene flow patterns and reconstruct the phylogeographic history of the monophyletic Zamia pumila complex across the Bahamas. Nuclear molecular markers with both high and low mutation rates were used to capture two different time scale signatures and test several gene flow and demographic hypotheses. Single-copy nuclear genes unveiled apparent ancestral admixture on Andros, suggesting a significant role of this island as main hub of diversity of the archipelago. We detected demographic and spatial expansion of the Zamia pumila complex on both paleo-provinces around the Piacenzian (Pliocene)/Gelasian (Pleistocene). Populations evidenced signatures of different migration models that have occurred at two different times. Populations on Long Island (Z. lucayana) may either represent a secondary colonization of the Bahamas by Zamia or a rapid and early-divergence event of at least one population on the Bahamas. Despite changes in migration patterns with global climate, expected heterozygosity with both marker systems remains within the ra...Continue Reading

References

Aug 1, 1995·Genetics·F Rousset, M Raymond
May 20, 1999·Molecular Biology and Evolution·H J BandeltA Röhl
Aug 11, 2000·Evolution; International Journal of Organic Evolution·S D Maskas, M B Cruzan
Apr 5, 2001·Proceedings of the National Academy of Sciences of the United States of America·P Beerli, J Felsenstein
Apr 12, 2001·Molecular Ecology·J C Garza, E G Williamson
Sep 8, 2001·Science·S R Palumbi
Oct 14, 2005·Molecular Biology and Evolution·Daniel H Huson, David Bryant
Dec 17, 2005·Science·R K CowenA Srinivasan
May 17, 2006·Trends in Ecology & Evolution·Benoit FaconPatrice David
Nov 15, 2007·Evolution; International Journal of Organic Evolution·Patrik NosilDaniel J Funk
Nov 17, 2007·Trends in Ecology & Evolution·Rowan D H Barrett, Dolph Schluter
Jan 5, 2008·Molecular Ecology·Andrew P HendryMichael T Kinnison
Nov 1, 2008·Evolution; International Journal of Organic Evolution·Stevan J ArnoldAdam G Jones
Aug 8, 2009·Science·Peter U ClarkA Marshall McCabe
Mar 3, 2010·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Alexander V Badyaev
May 14, 2011·Molecular Ecology Resources·Laurent Excoffier, Heidi E L Lischer
Jan 1, 2008·Molecular Ecology Resources·François Rousset
Jun 24, 2011·Evolutionary Bioinformatics Online·John P HuelsenbeckEdna T Huelsenbeck
Jul 23, 2011·Molecular Biology and Evolution·Miguel ArenasLaurent Excoffier
Jan 6, 2012·Proceedings. Biological Sciences·Inger Greve AlsosChristian Brochmann
Mar 16, 2012·Nature·Maureen E Raymo, Jerry X Mitrovica
Jul 13, 2012·Proceedings. Biological Sciences·Jill T AndersonTom Mitchell-Olds
Sep 1, 2012·Annual Review of Genetics·Steven J Franks, Ary A Hoffmann
Nov 6, 2012·The New Phytologist·Yuan-Ye ZhangOliver Bossdorf
Jan 1, 2014·Molecular Ecology Resources·Patrick G Meirmans

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