RT Journal Article T1 The vomeronasal system of the wolf (Canis lupus signatus): The singularities of a wild canid A1 Ortiz Leal, Irene A1 Vázquez Torres, Mateo A1 Barreiro Vázquez, José Daniel A1 López Beceiro, Ana María A1 Fidalgo Álvarez, Luis Eusebio A1 Shin, Taekyun A1 Sánchez Quinteiro, Pablo K1 Accessory olfactory bulb K1 Chemical communication K1 Immunohistochemistry K1 Lectins K1 Pheromones K1 Vomeronasal organ K1 Vomeronasal system K1 Wolf AB Wolves, akin to their fellow canids, extensively employ chemical signals for various aspects of communication, including territory maintenance, reproductive synchronisation and social hierarchy signalling. Pheromone-mediated chemical communication operates unconsciously among individuals, serving as an innate sensory modality that regulates both their physiology and behaviour. Despite its crucial role in the life of the wolf, there is a lacuna in comprehensive research on the neuroanatomical and physiological underpinnings of chemical communication within this species. This study investigates the vomeronasal system (VNS) of the Iberian wolf, simultaneously probing potential alterations brought about by dog domestication. Our findings demonstrate the presence of a fully functional VNS, vital for pheromone-mediated communication, in the Iberian wolf. While macroscopic similarities between the VNS of the wolf and the domestic dog are discernible, notable microscopic differences emerge. These distinctions include the presence of neuronal clusters associated with the sensory epithelium of the vomeronasal organ (VNO) and a heightened degree of differentiation of the accessory olfactory bulb (AOB). Immunohistochemical analyses reveal the expression of the two primary families of vomeronasal receptors (V1R and V2R) within the VNO. However, only the V1R family is expressed in the AOB. These findings not only yield profound insights into the VNS of the wolf but also hint at how domestication might have altered neural configurations that underpin species-specific behaviours. This understanding holds implications for the development of innovative strategies, such as the application of semiochemicals for wolf population management, aligning with contemporary conservation goals PB Wiley SN 0021-8782 YR 2024 FD 2024 LK http://hdl.handle.net/10347/33802 UL http://hdl.handle.net/10347/33802 LA eng NO Ortiz-Leal, I., Torres, M.V., Barreiro-Vázquez, J.-D., López-Beceiro, A., Fidalgo, L., Shin, T. et al. (2024) The vomeronasal system of the wolf (Canis lupus signatus): The singularities of a wild canid. Journal of Anatomy, 00, 1–28. Available from: https://doi.org/10.1111/joa.14024 NO Consello Social from the University of Santiago de Compostela. Grant Number: 2022-PU004 DS Minerva RD 28 abr 2026