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Faculty of Biology and Medicine

Department of Ecology and Evolution

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Caroline Betto-Colliard

Research interests

I am generally interested in various aspects of evolutionary biology, especially in phylogenetics and population genetics approaches. In particular, I'm fond of speciation processes, phylogeography and mechanisms of evolution and amphibian biology.

The general idea of my PhD is to study the evolution of non-recombining chromosomes focusing on two model organims : the European tree frog (Hyla arborea) and the green toad (Bufo viridis subgroup).

Curriculum vitae

Born on November 12th 1982 in Vevey, Switzerland

2008-
PhD under the supervision of Prof. Nicolas Perrin, University of Lausanne

2006-2008
Master of Science in Biology, Evolution and Conservation, University of Lausanne. Master thesis on « Analyses of a hybrid zone of two deeply diverged green toad taxa (Bufo viridis subgroup) in Sicily » under the supervision of Dr Matthias Stöck and Prof. Nicolas Perrin

2002-2006
Bachelor of Science in Biology, University of Lausanne

Publications

Publications | Masters and Phd thesis

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Publications

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2018 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 |

2018

preview resource BIB_A2F48C7B92DA.P001

Profound genetic divergence and asymmetric parental genome contributions as hallmarks of hybrid speciation in polyploid toads.

Betto-Colliard C., Hofmann S., Sermier R., Perrin N., Stöck M., 2018/02/14. Proceedings. Biological sciences, 285 (1872) p. 20172667. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_A2F48C7B92DA]

preview resource BIB_31328CF1BC1D.P001

Genomic Evidence for Cryptic Speciation in Tree Frogs From the Apennine Peninsula, With Description of Hyla perrini sp. nov

Dufresnes C., Mazepa G., Rodrigues N., Brelsford A., Litvinchuk S.N., Sermier R., Lavanchy G., Betto-Colliard C., Blaser O., Borzée A. et al., 2018. Frontiers in Ecology and Evolution, 6 p. 144. Peer-reviewed.

[URN][DOI][WoS][serval:BIB_31328CF1BC1D]

2015

Origin and genome evolution of polyploid green toads in Central Asia: evidence from microsatellite markers.

Betto-Colliard C., Sermier R., Litvinchuk S., Perrin N., Stöck M., 2015. Heredity, 114 (3) pp. 300-308. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_FE2DCD88BC49]

2014

Inferring the degree of incipient speciation in secondary contact zones of closely related lineages of Palearctic green toads (Bufo viridis subgroup).

Dufresnes C., Bonato L., Novarini N., Betto-Colliard C., Perrin N., Stöck M., 2014. Heredity, 113 (1) pp. 9-20. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_660BA661766C]

2013

Development and cross-amplification of thirty microsatellite loci in five diploid and polyploid Central Asian species of Palearctic green toads (Bufo viridis subgroup)

Betto-Colliard C., Sermier R., Perrin N., Stöck M., 2013. Conservation Genetics Resources, 5 (1) pp. 243-249.

[DOI][WoS][serval:BIB_7F91EBF75633]

preview resource BIB_820DA167C064.P001

Homologous sex chromosomes in three deeply divergent anuran species.

Brelsford A., Stöck M., Betto-Colliard C., Dubey S., Dufresnes C., Jourdan-Pineau H., Rodrigues N., Savary R., Sermier R., Perrin N., 2013. Evolution, 67 (8) pp. 2434-2440. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_820DA167C064]

Within-population polymorphism of sex-determination systems in the common frog (Rana temporaria).

Rodrigues N., Betto-Colliard C., Jourdan-Pineau H., Perrin N., 2013. Journal of Evolutionary Biology, 26 (7) pp. 1569-1577. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_4D062DA60F4A]

Low rates of X-Y recombination, not turnovers, account for homomorphic sex chromosomes in several diploid species of Palearctic green toads (Bufo viridis subgroup).

Stöck M., Savary R., Betto-Colliard C., Biollay S., Jourdan-Pineau H., Perrin N., 2013. Journal of Evolutionary Biology, 26 (3) pp. 674-682. Peer-reviewed.

[DOI][WoS][Pmid][serval:BIB_4804FC88420F]

2012

Genome size rather than content might affect call properties in toads of three ploidy levels (Anura: Bufonidae: Bufo viridis subgroup).

Guignard M., Büchi L., Gétaz M., Betto-Colliard C., Stöck M., 2012. Biological Journal of the Linnean Society, 105 (3) pp. 584-590.

[DOI][WoS][serval:BIB_3390C1F361AB]

Simultaneous Mendelian and clonal genome transmission in a sexually reproducing, all-triploid vertebrate.

Stöck M., Ustinova J., Betto-Colliard C., Schartl M., Moritz C., Perrin N., 2012. Proceedings of the Royal Society B Biological Sciences, 279 (1732) pp. 1293-1299.

[DOI][WoS][Pmid][serval:BIB_B6200D20B5A5]

2011

preview resource BIB_775F73B073DA.P001

Thirteen polymorphic microsatellite markers for the European green toad Bufo viridis viridis, a declining amphibian species.

Dufresnes C., Betto-Colliard C., Perrin N., Stöck M., 2011. Conservation Genetics Resources, 3 (2) pp. 311-313. Peer-reviewed.

[URN][DOI][WoS][serval:BIB_775F73B073DA]

Adaptive colour polymorphism of Acrida ungarica H. (Orthoptera: Acrididae) in a spatially heterogeneous environment

Pellissier L., Wassef J., Bilat J., Brazzola G., Buri P., Colliard C., Fournier B., Hausser J., Yannic G., Perrin N., 2011. Acta Oecologica, 37 (2) pp. 93-98. Peer-reviewed.

[DOI][WoS][serval:BIB_AB3105B2BF72]

preview resource BIB_4D3826357499.P001

Ever-young sex chromosomes in European tree frogs.

Stöck M., Horn A., Grossen C., Lindtke D., Sermier R., Betto-Colliard C., Dufresnes C., Bonjour E., Dumas Z., Luquet E. et al., 2011. PLoS Biology, 9 (5) pp. e1001062. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_4D3826357499]

2010

Strong reproductive barriers in a narrow hybrid zone of West-Mediterranean green toads (Bufo viridis subgroup) with Plio-Pleistocene divergence

Colliard C., Sicilia A., Turrisi G.F., Arculeo M., Perrin N., Stöck M., 2010. BMC Evolutionary Biology, 10 p. 232. Peer-reviewed.

[DOI][WoS][serval:BIB_4CDD26CACFEF]

2009

New polymorphic microsatellites markers and development of mitotyping primers for West-Mediterranean green toad species (Bufo viridis subgroup)

Colliard C., Sicilia A., Moritz C., Perrin N., Stöck M., 2009. Molecular Ecology Resources, 9 (4) pp. 1138-1140. Peer-reviewed.

[DOI][WoS][serval:BIB_6999739421CF]

A genetic isolation gradient of populations of the Balearic green toad (Bufo balearicus) follows rising eastward fragmentation of the rural landscapes on the island of Menorca.

Massana M., Riechter-Boix A., Colliard C., Pretus J.L., 2009., Congrés internacional Maó, del 5 al 8 de maig pp. 267-277 dans Fraga i Arguimbau Pere (eds.) International Conference on Mediterranean Temporary Ponds : Proceedings & Abstracts, Recerca, Institut Menorquí d'Estudis.

[serval:BIB_7B16DB6AC077]

2008

Sib-sib communication and the risk of prey theft in the barn owl Tyto alba

Roulin A., Colliard C., Russier F., Fleury M., Grandjean V., 2008. Journal of Avian Biology, 39 (6) pp. 593-598. Peer-reviewed.

[DOI][WoS][serval:BIB_42DD9E6D4F19]

2007

preview resource BIB_F0E6B3CA3FAF.P001

Human cooperation in social dilemmas: comparing the Snowdrift game with the Prisoner's Dilemma.

Kümmerli R., Colliard C., Fiechter N., Petitpierre B., Russier F., Keller L., 2007/12. Proceedings. Biological Sciences, 274 (1628) pp. 2965-2970. Peer-reviewed.

[URN][DOI][WoS][Pmid][serval:BIB_F0E6B3CA3FAF]

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Phd thesis

Publications (1)

GENOME EVOLUTION IN GREEN TOADS

BETTO-COLLIARD C., 2016., Université de Lausanne, Faculté de biologie et médecine, Perrin N. (dir.).

[serval:BIB_11CAB64BCECC]

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caroline.colliard[@]unil.ch

Biophore - CH-1015 Lausanne
Switzerland
Tel. +41 21 692 41 60

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