From sexual attraction to maternal aggression: When pheromones change their behavioural significance
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Otros documentos de la autoría: Martín Sánchez, Ana; McLean, Lynn; Beynon, Robert J.; Hurst, Jane L.; Ayala Gallego, Guillermo; Lanuza, Enrique; Martinez-Garcia, Fernando
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Título
From sexual attraction to maternal aggression: When pheromones change their behavioural significanceAutoría
Fecha de publicación
2015-02xmlui.dri2xhtml.METS-1.0.item-edition
PostprintEditor
ElsevierCita bibliográfica
MARTÍN-SÁNCHEZ, Ana, et al. From sexual attraction to maternal aggression: when pheromones change their behavioural significance. Hormones and behavior, 2015, vol. 68, p. 65-76.Tipo de documento
info:eu-repo/semantics/articleVersión de la editorial
http://www.sciencedirect.com/science/article/pii/S0018506X14001640Versión
info:eu-repo/semantics/publishedVersionPalabras clave / Materias
Resumen
This article is part of a Special Issue “Chemosignals and Reproduction”.
This paper reviews the role of chemosignals in the socio-sexual interactions of female mice, and reports two experiments testing the role of ... [+]
This article is part of a Special Issue “Chemosignals and Reproduction”.
This paper reviews the role of chemosignals in the socio-sexual interactions of female mice, and reports two experiments testing the role of pup-derived chemosignals and the male sexual pheromone darcin in inducing and promoting maternal aggression. Female mice are attracted to urine-borne male pheromones. Volatile and non-volatile urine fractions have been proposed to contain olfactory and vomeronasal pheromones. In particular, the male-specific major urinary protein (MUP) MUP20, darcin, has been shown to be rewarding and attractive to females. Non-urinary male chemosignals, such as the lacrimal protein ESP1, promote lordosis in female mice, but its attractive properties are still to be tested. There is evidence indicating that ESP1 and MUPs are detected by vomeronasal type 2 receptors (V2R).
When a female mouse becomes pregnant, she undergoes dramatic changes in her physiology and behaviour. She builds a nest for her pups and takes care of them. Dams also defend the nest against conspecific intruders, attacking especially gonadally intact males. Maternal behaviour is dependent on a functional olfactory system, thus suggesting a role of chemosignals in the development of maternal behaviour. Our first experiment demonstrates, however, that pup chemosignals are not sufficient to induce maternal aggression in virgin females. In addition, it is known that vomeronasal stimuli are needed for maternal aggression. Since MUPs (and other molecules) are able to promote intermale aggression, in our second experiment we test if the attractive MUP darcin also promotes attacks on castrated male intruders by lactating dams. Our findings demonstrate that the same chemosignal, darcin, promotes attraction or aggression according to female reproductive state [-]
Publicado en
Hormones and behavior, 2015, vol. 68Derechos de acceso
info:eu-repo/semantics/openAccess
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- MED_Articles [637]
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