Rodentolepis asymmetrica (Janicki, 1904), is a common hymenolepidid cestode recorded in several vole species (rodents) in the Palearctic. Here, we report a detailed analysis of this species, which includes metrical features and multilocus enzyme electrophoresis. Worms isolated from 4 species of arvicolid hosts in 3 localities in Spain and France from 1994 to 1997 were studied. All the worms used in the morphological study ranged between 1 and 5 individuals per host. Furthermore, all individuals were analyzed electrophoretically. Statistical analysis of metrical features in scolex, sexual segments, and eggs was carried out, and significant differences were detected only in sexual structures of mature segments. These differences were found in worms from each host species in different localities and in the same host species in 2 localities. Multivariate statistical analysis shows correct classification of worms in all cases. Surprisingly, we observed a lack of genetic variability at the 11 enzymatic loci analyzed, which could be explained by 2 nonexclusive hypotheses: (1) a preferential selfing mode of reproduction for these parasites, and (2) a weak effective size of parasite populations.
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October 2002
SYSTEMATICS-PHYLOGENETICS|
October 01 2002
MORPHOMETRIC AND GENETIC VARIABILITY OF RODENTOLEPIS ASYMMETRICA (HYMENOLEPIDIDAE) FROM THE PYRENEAN MOUNTAINS Available to Purchase
Francis Santalla;
Francis Santalla
Laboratori de Parasitologia, Facultat de Farmàcia, Universitat de Barcelona, Avda. Joan XXIII s/n, Barcelona 08028, Spain. [email protected]
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Joan Carles Casanova;
Joan Carles Casanova
Laboratori de Parasitologia, Facultat de Farmàcia, Universitat de Barcelona, Avda. Joan XXIII s/n, Barcelona 08028, Spain. [email protected]
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Patrick Durand;
Patrick Durand
Laboratori de Parasitologia, Facultat de Farmàcia, Universitat de Barcelona, Avda. Joan XXIII s/n, Barcelona 08028, Spain. [email protected]
* Centre d'Etudes sur le Polymorphisme des Micro-Organismes (C.E.P.M.), UMR CNRS-IRD 9926, 911, Avenue Agropolis—BP 5045, 34032 Montpellier Cedex 1, France.
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Claude Vaucher;
Claude Vaucher
Laboratori de Parasitologia, Facultat de Farmàcia, Universitat de Barcelona, Avda. Joan XXIII s/n, Barcelona 08028, Spain. [email protected]
† Museum of Natural History, Route de Malagnou 1, P.O. Box 6434, 1211 Genève 6, Switzerland.
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François Renaud;
François Renaud
Laboratori de Parasitologia, Facultat de Farmàcia, Universitat de Barcelona, Avda. Joan XXIII s/n, Barcelona 08028, Spain. [email protected]
* Centre d'Etudes sur le Polymorphisme des Micro-Organismes (C.E.P.M.), UMR CNRS-IRD 9926, 911, Avenue Agropolis—BP 5045, 34032 Montpellier Cedex 1, France.
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Carlos Feliu
Carlos Feliu
Laboratori de Parasitologia, Facultat de Farmàcia, Universitat de Barcelona, Avda. Joan XXIII s/n, Barcelona 08028, Spain. [email protected]
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J Parasitol (2002) 88 (5): 983–988.
Citation
Francis Santalla, Joan Carles Casanova, Patrick Durand, Claude Vaucher, François Renaud, Carlos Feliu; MORPHOMETRIC AND GENETIC VARIABILITY OF RODENTOLEPIS ASYMMETRICA (HYMENOLEPIDIDAE) FROM THE PYRENEAN MOUNTAINS. J Parasitol 1 October 2002; 88 (5): 983–988. doi: https://doi.org/10.1645/0022-3395(2002)088[0983:MAGVOR]2.0.CO;2
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