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House mouse subspecies do differ in their social structure

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    0567792 - ÚBO 2023 RIV US eng J - Článek v odborném periodiku
    Mikula, Ondřej - Macholán, M. - Ďureje, Ľudovít - Hiadlovská, Z. - Daniszová, K. - Janotová, Kateřina - Vošlajerová Bímová, B.
    House mouse subspecies do differ in their social structure.
    Ecology and Evolution. Roč. 12, č. 12 (2022), č. článku e9683. ISSN 2045-7758. E-ISSN 2045-7758
    Grant CEP: GA ČR(CZ) GA17-25320S; GA ČR GAP506/11/1792
    Výzkumná infrastruktura: e-INFRA CZ - 90140
    Institucionální podpora: RVO:68081766
    Klíčová slova: demes * M. m. domesticus * modularity * Mus musculus musculus * radio-frequency identification * social networks
    Obor OECD: Zoology
    Impakt faktor: 2.6, rok: 2022
    Způsob publikování: Open access
    https://onlinelibrary.wiley.com/doi/epdf/10.1002/ece3.9683

    It is widely acknowledged that population structure can have a substantial impact on evolutionary trajectories. In social animals, this structure is strongly influenced by relationships among the population members, so studies of differences in social structure between diverging populations or nascent species are of prime interest. Ideal models for such a study are two house mouse subspecies, Mus musculus musculus and M. m. domesticus, meeting in Europe along a secondary contact zone. Though the latter subspecies has usually been supposed to form tighter and more isolated social units than the former, the evidence is still inconclusive. Here, we carried out a series of radiofrequency identification experiments in semi-natural enclosures to gather large longitudinal data sets on individual mouse movements. The data were summarized in the form of uni- and multi-layer social networks. Within them, we could delimit and describe the social units ('modules'). While the number of estimated units was similar in both subspecies, domesticus revealed a more 'modular' structure. This subspecies also showed more intramodular social interactions, higher spatial module separation, higher intramodular persistence of parent-offspring contacts, and lower multiple paternity, suggesting more effective control of dominant males over reproduction. We also demonstrate that long-lasting modules can be identified with basic reproductive units or demes. We thus provide the first robust evidence that the two subspecies differ in their social structure and dynamics of the structure formation.
    Trvalý link: https://hdl.handle.net/11104/0339037

     
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