Gut bacterial communities across tadpole ecomorphs in two diverse tropical anuran faunas.
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Authors
Vences, MiguelLyra, Mariana L
Kueneman, Jordan G
Bletz, Molly C
Archer, Holly M
Canitz, Julia
Handreck, Svenja
Randrianiaina, Roger-Daniel
Struck, Ulrich
Bhuju, Sabin
Jarek, Michael
Geffers, Robert
McKenzie, Valerie J
Tebbe, Christoph C
Haddad, Célio F B
Glos, Julian
Issue Date
2016-04
Metadata
Show full item recordAbstract
Animal-associated microbial communities can play major roles in the physiology, development, ecology, and evolution of their hosts, but the study of their diversity has yet focused on a limited number of host species. In this study, we used high-throughput sequencing of partial sequences of the bacterial 16S rRNA gene to assess the diversity of the gut-inhabiting bacterial communities of 212 specimens of tropical anuran amphibians from Brazil and Madagascar. The core gut-associated bacterial communities among tadpoles from two different continents strongly overlapped, with eight highly represented operational taxonomic units (OTUs) in common. In contrast, the core communities of adults and tadpoles from Brazil were less similar with only one shared OTU. This suggests a community turnover at metamorphosis. Bacterial diversity was higher in tadpoles compared to adults. Distinct differences in composition and diversity occurred among gut bacterial communities of conspecific tadpoles from different water bodies and after experimental fasting for 8 days, demonstrating the influence of both environmental factors and food on the community structure. Communities from syntopic tadpoles clustered by host species both in Madagascar and Brazil, and the Malagasy tadpoles also had species-specific isotope signatures. We recommend future studies to analyze the turnover of anuran gut bacterial communities at metamorphosis, compare the tadpole core communities with those of other aquatic organisms, and assess the possible function of the gut microbiota as a reservoir for protective bacteria on the amphibian skin.Citation
Gut bacterial communities across tadpole ecomorphs in two diverse tropical anuran faunas. 2016, 103 (3-4):25 NaturwissenschaftenAffiliation
Helmholtz Centre for infection research, Inhoffenstr. 7, 38124 Braunschweig, Germany.Journal
Die NaturwissenschaftenPubMed ID
26924012Type
ArticleLanguage
enISSN
1432-1904ae974a485f413a2113503eed53cd6c53
10.1007/s00114-016-1348-1
Scopus Count
The following license files are associated with this item:
- Creative Commons
Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by-nc-sa/4.0/
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