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Olfactory Communication via Microbiota: What Is Known in Birds?

Research Group Chemical Signalling, Department of Animal Behaviour, Bielefeld University, Konsequenz 45, 33615 Bielefeld, Germany
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Author to whom correspondence should be addressed.
These authors contributed equally to this work.
Genes 2018, 9(8), 387; https://doi.org/10.3390/genes9080387
Received: 31 May 2018 / Revised: 27 July 2018 / Accepted: 27 July 2018 / Published: 31 July 2018
(This article belongs to the Special Issue Coevolution of Hosts and their Microbiome)
Animal bodies harbour a complex and diverse community of microorganisms and accumulating evidence has revealed that microbes can influence the hosts’ behaviour, for example by altering body odours. Microbial communities produce odorant molecules as metabolic by-products and thereby modulate the biochemical signalling profiles of their animal hosts. As the diversity and the relative abundance of microbial species are influenced by several factors including host-specific factors, environmental factors and social interactions, there are substantial individual variations in the composition of microbial communities. In turn, the variations in microbial communities would consequently affect social and communicative behaviour by influencing recognition cues of the hosts. Therefore, microbiota studies have a great potential to expand our understanding of recognition of conspecifics, group members and kin. In this review, we aim to summarize existing knowledge of the factors influencing the microbial communities and the effect of microbiota on olfactory cue production and social and communicative behaviour. We concentrate on avian taxa, yet we also include recent research performed on non-avian species when necessary. View Full-Text
Keywords: birds; olfaction; odour; social communication; microbiota; skin; uropygial gland; feathers; gut; chemical signalling birds; olfaction; odour; social communication; microbiota; skin; uropygial gland; feathers; gut; chemical signalling
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MDPI and ACS Style

Maraci, Ö.; Engel, K.; Caspers, B.A. Olfactory Communication via Microbiota: What Is Known in Birds? Genes 2018, 9, 387. https://doi.org/10.3390/genes9080387

AMA Style

Maraci Ö, Engel K, Caspers BA. Olfactory Communication via Microbiota: What Is Known in Birds? Genes. 2018; 9(8):387. https://doi.org/10.3390/genes9080387

Chicago/Turabian Style

Maraci, Öncü, Kathrin Engel, and Barbara A. Caspers 2018. "Olfactory Communication via Microbiota: What Is Known in Birds?" Genes 9, no. 8: 387. https://doi.org/10.3390/genes9080387

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