Christelle LEUNG

Post doctorante

Christelle small

CEFE/CNRS 

Campus du CNRS
1919, route de Mende
34293 Montpellier 5

Tél : +33/0 4 67 61 32 ..
Fax : +33/0 4 67 61 33 36

Christelle.leung[at]cefe.cnrs.fr

Bref CV

2018- : Postdoc, Centre d’écologie Fonctionnelle et Évolutive (CEFE), CNRS, Montpellier, France

2017 : Postdoc, Bishop’s University, QC, Canada

2012-2016 : PhD, Université de Montréal, QC, Canada

Thèmes de recherche

Mes intérêts de recherche concernent les mécanismes évolutifs permettant aux organismes de faire face aux changements de leur environnement, allant du potentiel de réponse rapide (acclimatation via les processus épigénétiques) à l’adaptation à long terme des populations. Je m’intéressent plus particulièrement au rôle des mécanismes moléculaires dans les stratégies écologiques, ainsi qu’aux systèmes de reproduction. Mes travaux actuels au CEFE, en collaboration avec Luis-Miguel Chevin, ont pour objectif de déterminer l’influence de la reproduction sexuée sur l’évolution de la plasticité phénotypique. Nous effectuons des manips d’évolution expérimentale en utilisant la micro-algue halotolérante Dunaliella salina comme modèle biologique.

Publications

Lafond J, Hénault P, Leung C* & Angers B* (2018). Unexpected Oogenic Pathways for the Triploid Fish Chrosomus eos-neogaeus. Journal of Heredity 110 (3), 370-377

*Co-last authors

Leung C, Breton S & Angers B (2018) A trait-based ecology to assess the acclimation of a sperm-dependent clonal fish compared to its sexual host. PeerJ 6, e5896

Angers B, Chapdelaine V, Deremiens L, Vergilino R, Leung C, Doucet SL, Glémet H & Angers A (2018) Gene flow prevents mitonuclear co-adaptation: A comparative portrait of sympatric wild types and cybrids in the fish Chrosomus eos. Comparative Biochemistry and Physiology Part D: Genomics and Proteomics 27, 77-84

Angers B, Leung C, Vétil R, Deremiens L, Vergilino R (2018) The effects of allospecific mitochondrial genome on the fitness of northern redbelly dace (Chrosomus eos). Ecology and evolution 8 (6), 3311-3321

Leung C & Angers B (2018) Imitating the cost of males: A hypothesis for coexistence of all‐female sperm‐dependent species and their sexual host. Ecology and evolution 8 (1), 266-272

Bélanger-Lépine F, Leung C, Angers B & Glemet H (2017) Balancing selection on the number of repeats in the ribosomal intergenic spacer present in naturally occurring yellow perch (Perca flavescens) populations. Genome 61 (1), 1-6

Leung C, Duclos K K, Grünbaum T, Cloutier R & Angers B (2017). Asymmetry in dentition and shape of pharyngeal arches in the clonal fish Chrosomus eos-neogaeus: Phenotypic plasticity and developmental instability. PloS ONE, 12(4), e0174235.

Vergilino R*, Leung C* & Angers B (2016). Inconsistent phylogeographic pattern between a sperm dependent fish and its host: in situ hybridization vs dispersal. BMC Evolutionary Biology. 16(1):1-12.

*Co-first authors

Leung C, Breton S & Angers B (2016) Facing environmental predictability with different sources of epigenetic variation. Ecology and Evolution. 6(15):5234-45.

Leung C, Magnan P & Angers B (2011) Genetic evidence for sympatric populations of yellow perch (Perca flavescens) in Lake Saint-Pierre (Canada): The crucial first step in developing a fishery management plan. Journal of Aquaculture Research and Development. S6:001. Special Issue: Fish Population Genetics: Fishery Management. 

Liens

Maxime DUBART

Doctorant/PhD student

CEFE/CNRS
Campus du CNRS
1919, route de Mende
34293 Montpellier 5

Tél : +33/0 4 67 61 xx xx
Fax : +33/0 4 67 61 33 36

Research interest

 

Publications

 

Liens

 

Martijn CALLENS

Postdoc

CEFE/CNRS
Campus du CNRS
1919, route de Mende
34293 Montpellier

martijn.callens[at]cefe.cnrs.fr

Brief CV

2017-                   Postdoc at Génétique et Ecologie Evolutive group (CEFE, CNRS)

2012-2017          PhD at the laboratory for Aquatic Biology (KU Leuven KULAK, Belgium)

2011-2012          Teaching assistant biology, KU Leuven KULAK (Belgium)

Research theme

My research focuses on the evolutionary consequences of horizontal gene transfer (HGT) in bacteria. I am interested in the impact of HGT on the evolution of both the transferred genes in question and on the receiving host genome, and this on different timescales.

On short timescales, I am interested in the distribution of fitness effects of synonymous/non-synonymous mutations or mutations in regulatory regions of horizontally transferred genes. This is investigated by competing different versions of an antibiotic resistance gene against each other within bacterial populations.

To estimate the effect of HGT on longer timescales, I use a comparative genomics approach to detect evolutionary signatures in transferred genes (e.g. is there an evolution in codon bias after HGT, what is the effect of transfer on regulatory regions?).

 

Publications 

Callens, M., Watanabe, H., Kato, Y., Miura, J., Decaestecker, E. (2018). Microbiota inoculum composition affects holobiont assembly and host growth in Daphnia. Microbiome – in press.

Macke, E., Callens, M., De Meester, L., Decaestecker, E. (2017). Host genotype-dependent gut microbiota drives zooplankton tolerance to toxic cyanobacteria. Nature Communications 8:1608

Macke, E., Tasiemski, A., Massol, F., Callens, M., Decaestecker, E. (2017). Life history and eco-evolutionary dynamics in light of the gut microbiota. Oikos, 126 (4): 508-531

Callens, M., Macke, E., Muylaert, K., Bossier, P., Lievens, B., Waud, M., Decaestecker, E. (2016). Food availability affects the strength of mutualistic host-microbiota interactions in Daphnia magna. The ISME Journal 10 : 911-920

Callens, M., Gheerardyn, H., Ndaro, S., De Troch, M., Vanreusel, A. (2011). Harpacticoid copepod colonization of coral fragments in a tropical reef lagoon (Zanzibar, Tanzania). Journal of the Marine Biological Association of the United Kingdom 92(7): 1535-1545.

Thomas DE SOLAN BETHMALE

Doctorant

CEFE/CNRS

Campus du CNRS

1919, route de Mende
34293 Montpellier 5

Tél : +33/0 6 43 36 39 23
thomas.de-solan [at] cefe.cnrs.fr

 CV

2017- PhD, Centre d'Écologie Fonctionnelle et Évolutive

2015-2017 Master Ecology & Evolution, Faculté des Sciences (Montpellier)

2012-2015 Licence, faculté Paul Sabatier (Toulouse)

Thèmes de recherche/Research

Mes activités de recherche se concentre sur les facteurs influençant l'évolution de la morphologie et de l'écologie. Je m'intéresse notamment au phénomène tels que le mimétisme ou les déplacements de caractères.  Pour cela, j'utilise des techniques méthodologiques déjà éprouvées (modèles linéaires mixtes, analyses multivariées) ou je développe de nouvelle approches, notamment en utilisant les réseaux de neurones artificiels.  Mes modèles d'études sont essentiellement les reptiles et les amphibiens.

My research activities focus on the factors influencing the evolution of morphology and ecology. I am interested in phenomenon such as mimicry or characters displacement. To do so, I use established methodologies (mixed linear models, multivariate analyzes) or I develop new approaches, especially using artificial neural networks. My research models are mostly reptiles and amphibians.

Caroline ROSE

Caroline Rose photo

Postdoc

CEFE/CNRS

Campus du CNRS

1919, route de Mende
34293 Montpellier 5

caroline.rose[at]cefe.cnrs.fr

CV

2017-               Postdoc, Centre d'Écologie Fonctionnelle et Évolutive (CEFE), CNRS

2015                Postdoc, New Zealand Institute for Advanced Study (NZIAS), Massey University, Auckland, New Zealand

2008-2014       PhD, New Zealand Institute for Advanced Study (NZIAS), Massey University, Auckland, New Zealand

2007-2008       MSc (1st), University of Auckland, New Zealand

Research themes

I am interested in experimentally exploring the fundamentals evolutionary biology at the interface of genotype, phenotype and ecology.

My current research at the CEFE focuses on the effect of codon usage preference (CUP) on Horizontal Gene Transfer (HGT) between bacterial species, and the potential for mismatch in CUP to influence the structure of the resistome (the particular set of antibiotic resistance genes) in bacterial communities. I use a combination of synthetic biology and experimental evolution in a multispecies context to evaluate the impact of CUP on both the immediate success of a HGT event and on post-transfer evolution of both the transferred gene and the recipient genome.

Publications

Rose, C.J. and Rainey, P.B. (2016) Cooperation and Public Goods, Bacterial. In: Kliman, R.M. (ed.), Encyclopedia of Evolutionary Biology. vol. 1, pp. 374–380. Oxford: Academic Press.

Hammerschmidt, K.*, Rose, C.J.*, Kerr, B. and Rainey, P.B. (2014). Life cycles, fitness decoupling and the evolution of multicellularity. Nature. 515(7525), 75-79.

*These authors contributed equally to this work

Tooman, L.K., Rose, C.J., Carraher, C., Suckling, D.M., Paquette, S.R., Ledezma, L.A., Gilligan, T.M., Epstein, M., Barr, N.B. and Newcomb, R.D. (2011). Patterns of Mitochondrial Haplotype Diversity in the Invasive Pest Epiphyas postvittana (Lepidoptera: Tortricidae), J. Econ. Entomol. 104, 920-932.

Rose, C.J., Chapman, J.R., Marshall, S.D., Lee, S.F., Batterham, P., Ross, H.A. and Newcomb, R.D. (2011). Selective sweeps at the organophosphorus insecticide resistance locus, Rop-1, have affected variation across and beyond the α-esterase gene cluster in the Australian sheep blowfly, Lucilia cuprina. Mol Biol Evol. 28(6), 1835-1846.