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Evolutionary morphology of the lizard chemosensory system

dc.contributor.authorBaeckens, Simonen_ZA
dc.contributor.authorHerrel, Anthonyen_ZA
dc.contributor.authorBroeckhoven, Chrisen_ZA
dc.contributor.authorVasilopoulou-Kampitsi, Meneliaen_ZA
dc.contributor.authorHuyghe, Katleenen_ZA
dc.contributor.authorGoyens, Janaen_ZA
dc.contributor.authorVan Damme, Raoulen_ZA
dc.date.accessioned2018-11-30T08:47:20Z
dc.date.available2018-11-30T08:47:20Z
dc.date.issued2017-09-04
dc.identifier.citationBaeckens, S., et al. 2017. Evolutionary morphology of the lizard chemosensory system. Scientific Reports, 7:10141, doi:10.1038/s41598-017-09415-7en_ZA
dc.identifier.issn2045-2322 (online)
dc.identifier.otherdoi:10.1038/s41598-017-09415-7
dc.identifier.urihttp://hdl.handle.net/10019.1/104756
dc.descriptionCITATION: Baeckens, S., et al. 2017. Evolutionary morphology of the lizard chemosensory system. Scientific Reports, 7:10141, doi:10.1038/s41598-017-09415-7.en_ZA
dc.descriptionThe original publication is available at https://www.nature.comen_ZA
dc.description.abstractForaging mode plays a pivotal role in traditional reconstructions of squamate evolution. Transitions between modes are said to spark concerted changes in the morphology, physiology, behaviour, and life history of lizards. With respect to their sensory systems, species that adopt a sit-and-wait strategy are thought to rely on visual cues primarily, while actively hunting species would predominantly use chemical information. The morphology of the tongue and the vomeronasal-organs is believed to mirror this dichotomy. Still, support for this idea of concerted evolution of the morphology of the lizard sensory system merely originates from studies comparing only a few, distantly related taxa that differ in many aspects of their biology besides foraging mode. Hence, we compared vomeronasal-lingual morphology among closely related lizard species (Lacertidae). Our findings show considerable interspecific variation indicating that the chemosensory system of lacertids has undergone substantial change over a short evolutionary time. Although our results imply independent evolution of tongue and vomeronasal-organ form, we find evidence for co-variation between sampler and sensor, hinting towards an ‘optimization’ for efficient chemoreception. Furthermore, our findings suggest species’ degree of investment in chemical signalling, and not foraging behaviour, as a leading factor driving the diversity in vomeronasal-lingual morphology among lacertid species.en_ZA
dc.description.urihttps://www.nature.com/articles/s41598-017-09415-7
dc.format.extent13 pages : illustrationsen_ZA
dc.language.isoen_ZAen_ZA
dc.publisherNature Researchen_ZA
dc.subjectLizards -- Sense organsen_ZA
dc.subjectLizards -- Sensory systemen_ZA
dc.subjectLizards -- Chemosensory system -- Morphologyen_ZA
dc.titleEvolutionary morphology of the lizard chemosensory systemen_ZA
dc.typeArticleen_ZA
dc.description.versionPublisher's versionen_ZA
dc.rights.holderAuthors retain copyrighten_ZA


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