Article (Scientific journals)
Geography and host biogeography matter for understanding the phylogeography of a parasite.
Nieberding, Caroline M.; Durette-Desset, Marie-Claude; Vanderpoorten, Alain et al.
2008In Molecular Phylogenetics and Evolution, 47 (2), p. 538-54
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Keywords :
Animals; Base Sequence; Consensus Sequence; Cytochromes b/genetics; Genetic Variation; Geography; Heligmosomatoidea/genetics; Murinae/parasitology; Parasites/genetics; Phylogeny; Time Factors
Abstract :
[en] The co-evolution between hosts and parasites has long been recognized as a fundamental driver of macro-evolutionary patterns of diversification. The effect of co-differentiation on parasite diversification is, however, often confounded by underlying geographic patterns of host distribution. In order to disentangle the confounding effects of allopatric versus host speciation, the mitochondrial cytochrome b (cyt b) gene was sequenced in seventy individuals of the parasitic nematode genus Heligmosomoides sampled in the six Apodemus mice species common in the western Palearctic region. The nuclear internal transcribed spacers (ITS) 1 and 2 were also sequenced in fifteen parasites to confirm the mitochondrial data. All lineages differentiated according to a geographic pattern and independently from the sampled host species. This suggests that host speciation did not involve concurrent parasite speciation. However, the geographic distribution range of some parasite lineages mirrors that of A. sylvaticus lineages in SW Europe, and that of A. flavicollis lineages in the Balkans and in the Middle East. Thus, regional co-differentiation likely occurred between the parasite and the two sister Apodemus hosts in different parts of their distribution range. We suggest that differences in regional abundances of A. sylvaticus and A. flavicollis are responsible for generating this pattern of regional co-differentiation. This study highlights the importance of integrating both geography and biogeographic information from potential hosts to better understand their parasite phylogeography.
Disciplines :
Zoology
Author, co-author :
Nieberding, Caroline M. ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Zoogéographie
Durette-Desset, Marie-Claude;  National Museum of Natural History (Paris)
Vanderpoorten, Alain ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Taxonomie végétale et biologie de la conservation
Casanova, J. C.
Ribas, A.
Deffontaine, V.
Feliu, C.
Morand, S.
Libois, Roland ;  Université de Liège - ULiège > Département des sciences et gestion de l'environnement > Zoogéographie - Département des sciences et gestion de l'environnement
Michaux, Johan  ;  Université de Liège - ULiège > Département des sciences de la vie > Génétique
Language :
English
Title :
Geography and host biogeography matter for understanding the phylogeography of a parasite.
Publication date :
2008
Journal title :
Molecular Phylogenetics and Evolution
ISSN :
1055-7903
eISSN :
1095-9513
Publisher :
Academic Press, San Diego, United States - California
Volume :
47
Issue :
2
Pages :
538-54
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 27 December 2010

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