Cophylogeny of the anther smut fungi and their caryophyllaceous hosts: Prevalence of host shifts and importance of delimiting parasite species for inferring cospeciation |
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| Authors: | Guislaine Refrégier Mickaël Le Gac Florian Jabbour Alex Widmer Jacqui A Shykoff Roxana Yockteng Michael E Hood Tatiana Giraud |
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| Institution: | 1.Ecologie, Systématique et Evolution, Batiment 360,Université Paris-Sud, F-91405 Orsay cedex, France,Orsay cedex,France;2.Department of Zoology,6270 University Boulevard,Vancouver,Canada;3.Département Systématique et Evolution,MNHN UMR 5202, Unité Origine, structure et évolution de la biodiversité,France;4.ETH Zurich, Institute of Integrative Biology,Plant Ecological Genetics, Universit?tstr. 16,Zurich,Switzerland;5.Department of Biology,McGuire Life Sciences Building, Amherst College,USA |
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| Abstract: | Background Using phylogenetic approaches, the expectation that parallel cladogenesis should occur between parasites and hosts has been
validated in some studies, but most others provided evidence for frequent host shifts. Here we examine the evolutionary history
of the association between Microbotryum fungi that cause anther smut disease and their Caryophyllaceous hosts. We investigated the congruence between host and parasite
phylogenies, inferred cospeciation events and host shifts, and assessed whether geography or plant ecology could have facilitated
the putative host shifts identified. |
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