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Dominance‐function relationships in the amphibian skin microbiome
Summary Some amphibian skin bacteria inhibit growth of a fungal amphibian pathogen, Batrachochytrium dendrobatidis (Bd), but it is unclear how dominant these anti‐Bd bacteria are in skin communities. Using in vitro co‐culture challenge assays, we quantified Bd inhibition by bacterial isolates collec...
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Published in: | Environmental microbiology 2017-08, Vol.19 (8), p.3387-3397 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Summary
Some amphibian skin bacteria inhibit growth of a fungal amphibian pathogen, Batrachochytrium dendrobatidis (Bd), but it is unclear how dominant these anti‐Bd bacteria are in skin communities. Using in vitro co‐culture challenge assays, we quantified Bd inhibition by bacterial isolates collected from the skin of four amphibian species: bullfrogs, Eastern newts, spring peepers and American toads. The 16S rRNA sequences for each isolate were matched to culture‐independent amplicon sequences from the same individuals to assess inhibitory function versus relative abundance. Dominant bacteria had higher Bd inhibition than rare bacteria in bullfrog and newt populations, in which Bd was prevalent (> 25%). Dominant and rare bacteria did not differ in Bd inhibition in spring peeper and toad populations, in which Bd was absent or at low prevalence ( |
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ISSN: | 1462-2912 1462-2920 |
DOI: | 10.1111/1462-2920.13850 |