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Genomic diversity landscape of the honey bee gut microbiota
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Journal Article
Genomic diversity landscape of the honey bee gut microbiota
2019
Overview
The structure and distribution of genomic diversity in natural microbial communities is largely unexplored. Here, we used shotgun metagenomics to assess the diversity of the honey bee gut microbiota, a community consisting of few bacterial phylotypes. Our results show that most phylotypes are composed of sequence-discrete populations, which co-exist in individual bees and show age-specific abundance profiles. In contrast, strains present within these sequence-discrete populations were found to segregate into individual bees. Consequently, despite a conserved phylotype composition, each honey bee harbors a distinct community at the functional level. While ecological differentiation seems to facilitate coexistence at higher taxonomic levels, our findings suggest that, at the level of strains, priority effects during community assembly result in individualized profiles, despite the social lifestyle of the host. Our study underscores the need to move beyond phylotype-level characterizations to understand the function of this community, and illustrates its potential for strain-level analysis.
The structure and distribution of strain-level diversity in host-associated bacterial communities is largely unexplored. Here, Ellegaard and Engel analyze strain level diversity of the honey bee gut microbiota, showing that bees from the same colony differ in strain but not phylotype composition.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ 45/23
/ Age
/ Animals
/ Bees
/ Bifidobacterium - classification
/ Bifidobacterium - isolation & purification
/ Biological Variation, Individual
/ Firmicutes - isolation & purification
/ Gammaproteobacteria - classification
/ Gammaproteobacteria - genetics
/ Gammaproteobacteria - isolation & purification
/ Gastrointestinal Microbiome - genetics
/ Honey
/ Humanities and Social Sciences
/ Microbial Consortia - genetics
/ Science
