Journal
CELL HOST & MICROBE
Volume 25, Issue 2, Pages 195-209Publisher
CELL PRESS
DOI: 10.1016/j.chom.2019.01.017
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Funding
- Science Foundation Ireland (SFI) [SFI/12/RC/2273]
- Science Foundation Ireland's Spokes Programme
- European Regional Development Fund [SFI/14/SP APC/B3032]
- Janssen Biotech, Inc.
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The human gut microbiome is a dense and taxonomically diverse consortium of microorganisms. While the bacterial components of the microbiome have received considerable attention, comparatively little is known about the composition and physiological significance of human gut-associated bacteriophage populations (phageome). By extrapolating our knowledge of phage-host interactions from other environments, one could expect that >10(12) viruses reside in the human gut, and we can predict that they play important roles in regulating the complex microbial networks operating in this habitat. Before delving into their function, we need to first overcome the challenges associated with studying and characterizing the phageome. In this Review, we summarize the available methods and main findings regarding taxonomic composition, community structure, and population dynamics in the human gut phageome. We also discuss the main challenges in the field and identify promising avenues for future research.
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