Research Topics
| Ole SeehausenSummaryAffiliation: University of Bern Country: Switzerland Publications
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Detail Information
Publications
African cichlid fish: a model system in adaptive radiation researchOle Seehausen
Department of Aquatic Ecology and Evolution, Institute of Zoology, University of Bern, Switzerland
Proc Biol Sci 273:1987-98. 2006....- Conservation: losing biodiversity by reverse speciationOle Seehausen
Department of Aquatic Ecology and Evolution, Institute of Zoology, University of Bern, Baltzerstrasse 6, CH 3012 Bern, Switzerland
Curr Biol 16:R334-7. 2006..Recent research provides a dire warning that homogenizing environments may cause the rapid loss of such species through a reversal of the speciation process... - Speciation through sensory drive in cichlid fishOle Seehausen
Institute of Zoology, University of Bern, Baltzerstr 6, CH 3012 Bern, Switzerland
Nature 455:620-6. 2008..Our results also provide a mechanistic explanation for the collapse of cichlid fish species diversity during the anthropogenic eutrophication of Lake Victoria... - Phenotypic novelty in experimental hybrids is predicted by the genetic distance between species of cichlid fishRike B Stelkens
Institute of Ecology and Evolution, University of Bern, Switzerland
BMC Evol Biol 9:283. 2009..Transgression in multi-trait shape phenotypes was quantified using landmark-based geometric morphometric methods... - Population genomic tests of models of adaptive radiation in Lake Victoria region cichlid fishEtienne Bezault
Division of Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland
Evolution 65:3381-97. 2011..Finally the large gene diversity retained from colonization to individual species in every radiation suggests large effective population sizes and makes speciation in small geographical isolates unlikely... - Hybridization between distant lineages increases adaptive variation during a biological invasion: stickleback in SwitzerlandKay Lucek
Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland
Mol Ecol 19:3995-4011. 2010.... - Genetic distance between species predicts novel trait expression in their hybridsRike Stelkens
Division of Aquatic Ecology, Institute of Ecology and Evolution, University of Bern, Baltzerstr 6, CH 3012 Bern, Switzerland
Evolution 63:884-97. 2009..Our analysis demonstrates that the potential impact hybridization may have on phenotypic evolution is predictable from the genetic distance between species... - Morphological diversity and the roles of contingency, chance and determinism in african cichlid radiationsKyle A Young
Department of Aquatic Ecology and Evolution, Institute of Ecology and Evolution, University of Bern, Bern, Switzerland
PLoS ONE 4:e4740. 2009..In comparative studies of replicate radiations, convergence in a common morphospace implicates determinism, whereas non-convergence suggests the importance of contingency or chance... - Rapid parallel adaptive radiations from a single hybridogenic ancestral populationAlan G Hudson
Division of Aquatic Ecology and Macroevolution, Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH 3012 Bern, Switzerland
Proc Biol Sci 278:58-66. 2011..However, we also find the genetic signature of human-mediated gene flow and diversity loss within many lakes, highlighting the fragility of recent radiations... - Ecology, sexual selection and speciationMartine E Maan
Institute of Ecology and Evolution, University of Bern, Baltzerstrasse 6, CH 3012 Bern, Switzerland
Ecol Lett 14:591-602. 2011..We suggest that evaluating the evolutionary consequences of these effects requires a better integration of behavioural, ecological and evolutionary research... - Disruptive sexual selection on male nuptial coloration in an experimental hybrid population of cichlid fishRike B Stelkens
Department of Aquatic Ecology and Macroevolution, Institute of Zoology, University of Bern, Baltzerstrasse 6, 3012 Bern, Switzerland
Philos Trans R Soc Lond B Biol Sci 363:2861-70. 2008..If the genetics of female mate choice in Pundamilia are representative for those in other species of Lake Victoria cichlid fish, it may help explain the origin and maintenance of phenotypic diversity despite some gene flow... - Repeated colonization and hybridization in Lake Malawi cichlidsDomino A Joyce
Department of Biological Sciences, University of Hull, Hull HU6 7RX, UK Institute of Ecology and Evolution Aquatic Ecology and Macroevolution, University of Bern, CH 3012 Bern, Switzerland and Center for Ecology, Evolution and Biogeochemistry, Eawag, Fish Ecology and Evolution, CH 6047 Kastanienbaum, Switzerland
Curr Biol 21:R108-9. 2011.... - Patterns in fish radiation are compatible with Pleistocene desiccation of Lake Victoria and 14,600 year history for its cichlid species flockOle Seehausen
Department of Biological Sciences, Molecular and Evolutionary Ecology Group, University of Hull, Hull HU6 7RX, UK
Proc Biol Sci 269:491-7. 2002..It supports a hypothesis of recent colonization from outside the lake basin rather than survival of a diverse assemblage within the basin... - Age of cichlids: new dates for ancient lake fish radiationsMartin J Genner
Department of Biological Sciences, University of Hull, Cottingham Road, Hull HU6 7RX, UK
Mol Biol Evol 24:1269-82. 2007.... - Divergent selection on opsins drives incipient speciation in Lake Victoria cichlidsYohey Terai
Graduate School of Bioscience and Biotechnology, Tokyo Institute of Technology, Yokohama, Japan
PLoS Biol 4:e433. 2006..The divergent evolution of the visual system coincides with divergence in male breeding coloration, consistent with incipient ecological by-product speciation... - Nuclear markers reveal unexpected genetic variation and a Congolese-Nilotic origin of the Lake Victoria cichlid species flockOle Seehausen
Molecular and Evolutionary Ecology Group, Department of Biological Sciences, University of Hull, Hull HU6 7RX, UK
Proc Biol Sci 270:129-37. 2003..Our data do not confirm strict monophyly of either of the species flocks, but raise the possibility that these flocks have arisen from hybrid swarms... - Divergent selection during speciation of Lake Malawi cichlid fishes inferred from parallel radiations in nuptial colorationCharlotte J Allender
Biodiversity and Ecology Division, University of Southampton, Bassett Crescent East, Southampton SO16 7PX, United Kingdom
Proc Natl Acad Sci U S A 100:14074-9. 2003.... - Male-male competition and nuptial-colour displacement as a diversifying force in Lake Victoria cichlid fishesOle Seehausen
Molecular and Evolutionary Ecology Group, Department of Biological Sciences, University of Hull, Hull HU6 7RX, UK
Proc Biol Sci 271:1345-53. 2004..We suggest that male-male competition is an important and previously neglected agent of diversification among haplochromine cichlid fishes... - Heritability and heterochrony of polychromatism in a Lake Victoria Cichlid fish: Stepping stones for speciation?Martine E Maan
Department of Animal Ecology, Institute of Biology, University of Leiden, 2300 RA Leiden, The Netherlands
J Exp Zool B Mol Dev Evol 306:168-76. 2006..The significance of this mechanism of colour expression as a possible target for divergent selection remains to be evaluated... - Colour vision and speciation in Lake Victoria cichlids of the genus PundamiliaKaren L Carleton
Hubbard Center for Genome Studies and Department of Zoology, 35 Colovos Rd, University of New Hampshire Durham, NH 03824, USA
Mol Ecol 14:4341-53. 2005..However, other factors, such as chromophore shifts and higher order neural processing, should also be investigated to fully understand the physiological basis of differential responses to male mating hues in cichlid fish... - An extant cichlid fish radiation emerged in an extinct Pleistocene lakeDomino A Joyce
School of Biological Sciences, The University of Hull, Cottingham Road, Hull HU6 7RX, UK
Nature 435:90-5. 2005..This discovery reveals how local evolutionary processes operating during a short window of ecological opportunity can have a major and lasting effect on biodiversity on a continental scale... - Intraspecific sexual selection on a speciation trait, male coloration, in the Lake Victoria cichlid Pundamilia nyerereiMartine E Maan
Department of Animal Ecology, Institute of Biology, University of Leiden, PO Box 9516 2300 RA Leiden, The Netherlands
Proc Biol Sci 271:2445-52. 2004..We also find that male territoriality is vital for male reproductive success and that multiple mating by females is common... - Inheritance of female mating preference in a sympatric sibling species pair of Lake Victoria cichlids: implications for speciationMarcel P Haesler
Molecular and Evolutionary Ecology Group, Department of Biological Sciences, University of Hull, Hull HU6 7RX, UK
Proc Biol Sci 272:237-45. 2005..We discuss these results in the light of speciation models and the debate about the explosive radiation of cichlid fishes in Lake Victoria... - Adaptive molecular evolution in the opsin genes of rapidly speciating cichlid speciesTyrone C Spady
Hubbard Center for Genome Studies and Department of Zoology, University of New Hampshire, NH, USA
Mol Biol Evol 22:1412-22. 2005..This work also begins to demonstrate the molecular evolutionary dynamics of cichlid visual sensitivity and its relationship to the photic environment... - Female mating preference functions predict sexual selection against hybrids between sibling species of cichlid fishInke van der Sluijs
Department of Animal Ecology, Institute of Biology, Leiden University, 2300 RA, Leiden, The Netherlands
Philos Trans R Soc Lond B Biol Sci 363:2871-7. 2008.... - Intrasexual competition among females and the stabilization of a conspicuous colour polymorphism in a Lake Victoria cichlid fishPeter D Dijkstra
Research Group Behavioural Biology, University of Groningen, 9750 AA, Haren, The Netherlands
Proc Biol Sci 275:519-26. 2008..We conclude that female-female aggression may be one important force for stabilizing colour polymorphism in cichlid fish... - Speciation reversal and biodiversity dynamics with hybridization in changing environmentsOle Seehausen
Center of Ecology, Evolution and Biogeochemistry, Swiss Institute for Environmental Sciences and Technology EAWAG, Seestrasse 79, 6047 Kastanienbaum, Switzerland
Mol Ecol 17:30-44. 2008..Since heterogeneity of natural environments is rapidly deteriorating in most biomes, the evolutionary ecology of speciation reversal ought to be fully integrated into conservation biology... - A genetically explicit model of speciation by sensory drive within a continuous population in aquatic environmentsMasakado Kawata
Department of Ecology and Evolutionary Biology, Graduate School of Sciences, Tohoku University, Sendai, Japan
BMC Evol Biol 7:99. 2007..We use models based on explicit genetic mechanisms for color vision and nuptial coloration...