ArticlePeerJ2017
Diversity of compounds in femoral secretions of Galápagos iguanas (genera:
Article in PeerJ, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Proteomics of Galápagos Marine Iguanas Links Function of Femoral Gland Proteins to the Immune System.Molecular & cellular proteomics : MCP · 2020Article
- Seasonal and interpopulational phenotypic variation in morphology and sexual signals of Podarcis liolepis lizards.PloS one · 2019Article
- How to tackle chemical communication? Relative proportions versus semiquantitative determination of compounds in lizard chemical secretions.Ecology and evolution · 2018Article
- The Macroecology of Chemical Communication in Lizards: Do Climatic Factors Drive the Evolution of Signalling Glands?Evolutionary biology · 2018Article
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Authors and funding
6 authors.
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Abstract
backgroundChemical signals are widely used in the animal kingdom, enabling communication in various social contexts, including mate selection and the establishment of dominance. Femoral glands, which produce and release waxy secretions into the environment, are organs of central importance in lizard chemical communication. The Galápagos marine iguana (
methodsFemoral secretions were analysed by gas chromatography coupled to mass spectrometry (GC-MS), and chromatography with a flame ionisation detector (GC-FID) in order to characterise the lipophilic composition. To understand the potential role of femoral secretions in marine iguana intraspecific communication, territorial males were sampled for their femoral glands and monitored to record their head bob rate-a territorial display behaviour in males-as well as the number of females present in their leks.
resultsWe found that the gland secretions were composed of ten saturated and unsaturated carboxylic acids ranging in chain length between C DISCUSSION: Land and marine iguanas strongly diverged in their chemical composition of the femoral glands likely due to ecological differences between both species. Despite that marine iguana populations varied in their femoral gland composition that was not related to their genetic structure. Our results indicated that 11-eicosenoic acid may play an important role in intraspecific chemical communication in marine iguanas.
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