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Bacterial communities within Phengaris (Maculinea) alcon caterpillars are shifted following transition from solitary living to social parasitism of Myrmica ant colonies

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dc.contributor.author Szenteczki, Mark A.
dc.contributor.author Pitteloud, Camille
dc.contributor.author Casacci, Luca P.
dc.contributor.author Kešnerová, Lucie
dc.contributor.author Whitaker, Melissa R. L.
dc.contributor.author Engel, Philipp
dc.contributor.author Vila, Roger
dc.contributor.author Alvarez, Nadir
dc.date.accessioned 2020-05-27T07:11:50Z
dc.date.available 2020-05-27T07:11:50Z
dc.date.issued 2019
dc.identifier.citation Szenteczki MA, Pitteloud C, Casacci LP, Kešnerová L, Whitaker MRL, Engel P, Vila R, Alvarez N. Bacterial communities within Phengaris (Maculinea) alcon caterpillars are shifted following transition from solitary living to social parasitism of Myrmica ant colonies. Ecol Evol. 2019; 9(8):4452-64. DOI: 10.1002/ece3.5010
dc.identifier.issn 2045-7758
dc.identifier.uri http://hdl.handle.net/10230/44826
dc.description.abstract Bacterial symbionts are known to facilitate a wide range of physiological processes and ecological interactions for their hosts. In spite of this, caterpillars with highly diverse life histories appear to lack resident microbiota. Gut physiology, endogenous digestive enzymes, and limited social interactions may contribute to this pattern, but the consequences of shifts in social activity and diet on caterpillar microbiota are largely unknown. Phengaris alcon caterpillars undergo particularly dramatic social and dietary shifts when they parasitize Myrmica ant colonies, rapidly transitioning from solitary herbivory to ant tending (i.e., receiving protein-rich regurgitations through trophallaxis). This unique life history provides a model for studying interactions between social living, diet, and caterpillar microbiota. Here, we characterized and compared bacterial communities within P. alcon caterpillars before and after their association with ants, using 16S rRNA amplicon sequencing and quantitative PCR. After being adopted by ants, bacterial communities within P. alcon caterpillars shifted substantially, with a significant increase in alpha diversity and greater consistency in bacterial community composition in terms of beta dissimilarity. We also characterized the bacterial communities within their host ants (Myrmica schencki), food plant (Gentiana cruciata), and soil from ant nest chambers. These data indicated that the aforementioned patterns were influenced by bacteria derived from caterpillars' surrounding environments, rather than through transfers from ants. Thus, while bacterial communities are substantially reorganized over the life cycle of P. alcon caterpillars, it appears that they do not rely on transfers of bacteria from host ants to complete their development.
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Wiley-Blackwell
dc.relation.ispartof Ecol Evol. 2019; 9(8):4452-64
dc.rights © 2019 The Authors. Ecology and Evolution published by John Wiley & Sons Ltd. This is an open access article under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
dc.rights.uri http://creativecommons.org/licenses/by/4.0/
dc.title Bacterial communities within Phengaris (Maculinea) alcon caterpillars are shifted following transition from solitary living to social parasitism of Myrmica ant colonies
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1002/ece3.5010
dc.subject.keyword 16S amplicon sequencing
dc.subject.keyword Lepidoptera
dc.subject.keyword Lycaenidae
dc.subject.keyword Spiroplasma
dc.subject.keyword Butterflies
dc.subject.keyword Myrmecophily
dc.rights.accessRights info:eu-repo/semantics/openAccess
dc.type.version info:eu-repo/semantics/publishedVersion


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