Article
Hybrid sterility and inviability in the parasitic fungal species complex Microbotryum.
Journal of evolutionary biology - 1 Apr 2009
De Vienne D M, Refrégier G, Hood M E, Guigue A, Devier B, Vercken E, Smadja C, Deseille A, Giraud T
Abstract excerpt
Microbotryum violaceum, the anther-smut fungus, forms a complex of sibling species which specialize on different plants. Previous studies have shown the presence of partial ecological isolation and F1 inviability, but did not detect assortative mating apart from a high selfing rate. We investigated other post-mating barriers and show that F1 hybrid sterility, the inability of gametes to mate, increased gradually...
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