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Rank-dependency of major urinary protein excretion in two house mouse subspecies

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    0578538 - ÚBO 2025 RIV CZ eng J - Článek v odborném periodiku
    Macholán, M. - Daniszová, K. - Hamplová, P. - Janotová, Kateřina - Kašný, M. - Mikula, Ondřej - Vošlajerová Bímová, B. - Hiadlovská, Z.
    Rank-dependency of major urinary protein excretion in two house mouse subspecies.
    Journal of Vertebrate Biology. Roč. 73, č. 23046 (2024), č. článku 23046. E-ISSN 2694-7684
    Institucionální podpora: RVO:68081766
    Klíčová slova: chemical communication * Mus musculus musculus * Mus musculus domesticus * social rank * testosterone * urine
    Obor OECD: Zoology
    Impakt faktor: 1.5, rok: 2022
    Způsob publikování: Open access
    https://bioone.org/journalArticle/Download?urlId=10.25225%2Fjvb.23046

    Chemical communication is important for many social mammals. Scent-related gene clusters have undergone extraordinary expansion in some species, such as the house mouse (Mus musculus). One such family encodes major urinary proteins (MUPs). MUPs can provide recipients with complex information about the signaller and potentially serve as honest signals of social rank. In this study, we examined the development of overall MUP production in two mouse subspecies in the context of establishing their social hierarchy during the critical period between weaning and 100 days of age. We used fraternal pairs as simple social units, where dominant/subordinate ranks were naturally established between two brothers raised together, to test the hypothesis that dominant males of both taxa excrete higher amounts of MUPs in their urine than subordinates. The results were compared to data on ontogeny of steroid hormone levels gathered in the same individuals during an earlier experiment. Higher MUP levels in dominant males were only corroborated in one subspecies (domesticus), whereas musculus males revealed similar MUP quantities irrespective of rank. These results are consistent with the notion that these closely related taxa adopted different strategies for establishing social hierarchy.
    Trvalý link: https://hdl.handle.net/11104/0347531

     
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