The combined role of the main olfactory and vomeronasal systems in social communication in mammals |
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| Institution: | 1. Manaaki Whenua – Landcare Research, PO Box 69040, Lincoln 7640, New Zealand;2. School of Life and Environmental Sciences, The University of Sydney, Sydney, NSW 2006, Australia;3. Centre for Integrated Spatial Research, Environmental Studies Department, University of California, Santa Cruz, CA 95064, USA;4. Environment and Sustainability Institute, Penryn Campus, University of Exeter, Penryn, Cornwall, TR10 9EZ, UK;5. Manaaki Whenua – Landcare Research, Private Bag 92170, Auckland 1142, New Zealand;6. School of Biological Sciences, University of Auckland, Auckland, New Zealand;7. Department of Environmental Science and Policy, University of California, Davis, CA 95616, USA |
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| Abstract: | The main olfactory and the vomeronasal systems are the two systems by which most vertebrates detect chemosensory cues that mediate social behavior. Much research has focused on how one system or the other is critical for particular behaviors. This has lead to a vision of two distinct and complexly autonomous olfactory systems. A closer look at research over the past 30 years reveals a different picture however. These two seemingly distinct systems are much more integrated than previously thought. One novel set of chemosensory cues in particular (MHC Class I peptide ligands) can show us how both systems are capable of detecting the same chemosensory cues, through different mechanisms yet provide the same general information (genetic individuality). Future research will need to now focus on how two seemingly distinct chemosensory systems together detect pheromones and mediate social behaviors. Do these systems work independently, synergistically or competitively in communicating between individuals of the same species? |
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