speciation 2 brian o’meara eeb464 fall 2015
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Speciation 2
Brian O’MearaEEB464 Fall 2015
http://www.freakingnews.com/Hybrid-Animals-Pictures--563.asp
• Hybridization
• Reinforcement
• Self-incompatibility & diversity
• Cytoplasmic incompatibility
Hybridization - bad
Colliard et al. Strong reproductive barriers in a narrow hybrid zone of West-Mediterranean green toads (Bufo viridis subgroup) with Plio-Pleistocene divergence.
BMC Evol Biol (2010) vol. 10 pp. 232
Hybridization - bad?
Rieseberg et al. Hybridization and the colonization of novel habitats by annual sunflowers. Genetica (2007) vol. 129 (2) pp. 149-65
Hybridization - bad?
Rieseberg et al. Hybridization and the colonization of novel habitats by annual sunflowers. Genetica (2007) vol. 129 (2) pp. 149-65
Hybridization - bad?
Rieseberg and Willis. Plant speciation. Science (2007) vol. 317 (5840) pp. 910-4
Hybridization - bad?
Schwarz et al. Host shift to an invasive plant triggers rapid animal hybrid speciation. Nature (2005) vol. 436 (7050) pp. 546-9
Hybridization - bad?
Schwarz et al. Host shift to an invasive plant triggers rapid animal hybrid speciation. Nature (2005) vol. 436 (7050) pp. 546-9
Cruzan. Patterns of introgression across an expanding hybrid zone: analysing historical patterns of gene flow using nonequilibrium approaches. New Phytologist (2005) vol. 167 (1) pp. 267-278
Bob Peterson
Cruzan. Patterns of introgression across an expanding hybrid zone: analysing historical patterns of gene flow using nonequilibrium approaches. New Phytologist (2005) vol. 167 (1) pp. 267-278
Rice and Salt. Speciation via disruptive selection on habitat preference: experimental evidence. American Naturalist (1988) vol. 131 (6) pp. 911-917
Rice and Salt. Speciation via disruptive selection on habitat preference: experimental evidence. American Naturalist (1988) vol. 131 (6) pp. 911-917
Treatm
ent
Contro
lSpatiotemporal Spatial
Takayama and Isogai. Self-incompatibility in plants. Annu Rev Plant Biol (2005) vol. 56 pp. 467-489
Parameters from Goldberg et al. 2010
Haldane’s rule
Wu et al. Haldane's rule and its legacy: why are there so many sterile males?. Trends Ecol Evol (1996) vol. 11 (7) pp. 281-284
Wade. Infectious speciation. Nature (2001) vol. 409 (6821) pp. 675-677
Wade. Infectious speciation. Nature (2001) vol. 409 (6821) pp. 675-677
Modified from Wade. Infectious speciation. Nature (2001) vol. 409 (6821) pp. 675-677
WA
WA
WA WA
WB
WB
WB WB
Werren et al. Wolbachia: master manipulators of invertebrate biology. Nature Reviews Microbiology (2008) vol. 6 (10) pp. 741-751