Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/144702
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dc.contributor.authorTeseo, Serafinoen_US
dc.contributor.authorvan Zweden, Jelle S.en_US
dc.contributor.authorPontieri, Luigien_US
dc.contributor.authorKooij, Pepijn W.en_US
dc.contributor.authorSørensen, Søren J.en_US
dc.contributor.authorWenseleers, Tomen_US
dc.contributor.authorPoulsen, Michaelen_US
dc.contributor.authorBoomsma, Jacobus J.en_US
dc.contributor.authorSapountzis, Panagiotisen_US
dc.date.accessioned2020-11-20T01:21:33Z-
dc.date.available2020-11-20T01:21:33Z-
dc.date.issued2019-
dc.identifier.citationTeseo, S., van Zweden, J. S., Pontieri, L., Kooij, P. W., Sørensen, S. J., Wenseleers, T., . . . Sapountzis, P. (2019). The scent of symbiosis: gut bacteria may affect social interactions in leaf-cutting ants. Animal Behaviour, 150, 239–254. doi:10.1016/j.anbehav.2018.12.017en_US
dc.identifier.issn0003-3472en_US
dc.identifier.urihttps://hdl.handle.net/10356/144702-
dc.description.abstractAnimal gut microbiota affect host physiology and behaviour. In social insects, where colony level integrity is preserved via a nestmate discrimination system based on cuticular hydrocarbon mixtures, microorganismal effects may therefore influence social dynamics. Although nestmate recognition has undergone a thorough exploration during the last four decades, few studies have investigated the putative role of gut microbes. Here, we integrated 16S rRNA-based microbial community profiling, chemical and behavioural approaches to test whether gut microbes affect nestmate recognition in Acromyrmex echinatior leaf-cutting ants. Treating workers with a sterile diet or with antibiotics resulted in a substantial alteration of their gut microbial communities. In pairwise social interactions, untreated versus antibiotic-treated nestmates behaved more aggressively than other nestmate and non-nestmate pairs, suggesting that bacterial suppression may alter chemical social cues and trigger aggressive behaviour. Chemical analyses of treated individuals revealed a decrease in the abundance of two metapleural gland antifungal compounds, and confirmed the correspondence between aggression levels and chemical profile differences. Feeding microbiota-remodelled ants with conspecific faecal droplets partially restored the original bacterial communities. Ants fed with faecal droplets from different colonies were unusually aggressive compared to pairs fed with faecal droplets from the same colony. We cannot exclude confounding effects resulting from the potentially harmful action of antibiotics on ant hosts. However, our results suggest a correlation between chemical profiles and the presence of certain microbial species in the gut, which may affect nestmate recognition and division of labour. This opens novel questions about the role of symbiotic microorganisms in the evolution of social insect behaviour.en_US
dc.language.isoenen_US
dc.relation.ispartofAnimal Behaviouren_US
dc.rights© 2019 The Association for the Study of Animal Behaviour. All rights reserved. This paper was published by Elsevier Ltd in Animal Behaviour and is made available with permission of The Association for the Study of Animal Behaviour.en_US
dc.subjectScience::Biological sciencesen_US
dc.titleThe scent of symbiosis : gut bacteria may affect social interactions in leaf-cutting antsen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Biological Sciencesen_US
dc.identifier.doi10.1016/j.anbehav.2018.12.017-
dc.description.versionAccepted versionen_US
dc.identifier.volume150en_US
dc.identifier.spage239en_US
dc.identifier.epage254en_US
dc.subject.keywordsAcromyrmex Echinatioren_US
dc.subject.keywordsCuticular Hydrocarbonsen_US
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