期刊
GENOME BIOLOGY AND EVOLUTION
卷 10, 期 4, 页码 1174-1179出版社
OXFORD UNIV PRESS
DOI: 10.1093/gbe/evy076
关键词
gut microbiome; honey bee; bumble bee; strain variation; host specificity
资金
- National Institutes of Health [1R01-GM108477-01]
Honey bees have distinct gut microbiomes consisting almost entirely of several host-specific bacterial species. We present the genomes of three strains of Apibacter spp., bacteria of the Bacteroidetes phylum that are endemic to Asian honey bee species (Apis dorsata and Apis cerana). The Apibacter strains have similar metabolic abilities to each other and to Apibacter mensalis, a species isolated from a bumble bee. They use microaerobic respiration and fermentation to catabolize a limited set of monosaccharides and dicarboxylic acids. All strains are capable of gliding motility and encode a type IX secretion system. Two strains and A. mensalis have type VI secretion systems, and all strains encode Rhs or VgrG proteins used in intercellular interactions. The characteristics of Apibacter spp. are consistent with adaptions to life in a gut environment; however, the factors responsible for host-specificity and mutualistic interactions remain to be uncovered.
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