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Phylogenetic and morphometrics assessment of the evolutionary history of the hazel dormouse: Muscardinus avellanarius
Mouton, Alice; Mortelliti, Alessio; Grill, Andrea et al.
201421st Benelux Congress of Zoology
 

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Keywords :
morphometrics; phylogenetics; hazel dormouse
Abstract :
[en] The hazel dormouse, Muscardinus avellanarius is a hibernating rodent, member of the Gliridae family. At the European level, the hazel dormouse is a strictly protected species listed in Annex IV of the " Fauna-Flora -Habitat Directive" ( Directive 92/43/EEC ) and Annex II of the Bern Convention. Concrete conservation measures must be implemented to maintain long-term viable populations of this species. To develop appropriate tools for conservation, it is essential to understand the origin and the evolution of this species whose ancestor appeared 17 million years ago. To this aim, it is fundamental to analyze the evolutionary history of the species in both a geographic dimension (spatial) and a temporal scale. Both mitochondrial and nuclear markers revealed a complex phylogeographic pattern for the hazel dormouse with the presence of two highly divergent and allopatric genetic lineages, respectively distributed in South-Western and Central-Eastern Europe. The presence of two highly differentiated phylogenetic lineages might question the taxonomic status of the hazel dormouse. Our work has highlighted the difficulty of delineating species boundaries and stressed the importance of integrating complementary approaches to achieve further taxonomic work. We used a quantitative analysis of intra- specific phenotypic variation as a complementary tool of the molecular approach by studying the upper first molar (UM1) in hazel dormouse populations. The analysis of phenotypic feature appears as a valuable complement to genetic analyses, providing a complementary insight into evolutionary processes, such as differentiation by vicariance or adaptation to different environments. A geographic structure emerges from the morphometric pattern of differentiation, partially corresponding to the expectations based on the genetic results. The knowledge acquired through this study might add a significant piece of the puzzle for the understanding of the evolutionary history of the common dormouse and might have important implications for its conservation.
Disciplines :
Zoology
Author, co-author :
Mouton, Alice  ;  Université de Liège > Département des sciences de la vie > Génétique et physiologie des microalgues
Mortelliti, Alessio
Grill, Andrea
Maurizio, Sarà
Kryštufek, Boris
Juškaitis, Rimvydas
Latinne, Alice ;  Université de Liège > Département des sciences de la vie > Département des sciences de la vie
Amori, Giovanni
Randi, Ettore
Büchner, Sven
Schulz, Bjorn
Ehlers, Sina
Lang, Johannes
Adamik, Peter
Verbeylen, Goedele
Dorenbosch, Martijn
Trout, Roger
Elmeros, Morten
Aloise, Gaetano
Mazzoti, Stefano
Matur, Ferat
Poitevin, Françoise
Borkenhagen, Peter
Renaud, Sabrina
Michaux, Johan  ;  Université de Liège > Département des sciences de la vie > Génétique et physiologie des microalgues
More authors (15 more) Less
Language :
English
Title :
Phylogenetic and morphometrics assessment of the evolutionary history of the hazel dormouse: Muscardinus avellanarius
Publication date :
2014
Event name :
21st Benelux Congress of Zoology
Event place :
Liege, Belgium
Event date :
12 décembre au 13 décembre 2014
Audience :
International
Funders :
FRIA - Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture [BE]
F.R.S.-FNRS - Fonds de la Recherche Scientifique [BE]
INTERREG-project "BioGrenzKorr"
Bibliothèque du Vivant funded by CNRS, the MNHN, INRA and CEA
Commentary :
Chairman of the session
Available on ORBi :
since 29 December 2015

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