The Battle Within: Interactions of Bacteriophages and Bacteria in the Gastrointestinal Tract. 2019

Luisa De Sordi, and Marta Lourenço, and Laurent Debarbieux
Department of Microbiology, Institut Pasteur, F-75015 Paris, France; Sorbonne Université, UMRS938 INSERM Centre de Recherche Saint-Antoine, Paris, France.

The intestinal microbiota is intimately linked to human health. Decoding the mechanisms underlying its stability in healthy subjects should uncover causes of microbiota-associated diseases and pave the way for treatment. Bacteria and bacteriophages (phages) are the most abundant biological entities in the gastrointestinal tract, where their coexistence is dynamic and affixed. Phages drive and maintain bacterial diversity by perpetuating the coevolutionary interactions with their microbial prey. This review brings together recent in silico, in vitro, and in vivo work dissecting the complexity of phage-bacteria interactions in the intestinal microbiota, including coevolution perspectives. We define the types of dynamics encountered in the gastrointestinal tract and the parameters that affect their outcome. The impact of intestinal physiology on phage-bacterial coevolution is analyzed in the light of its potential contribution to the relationship between the microbiota and human health.

UI MeSH Term Description Entries
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000069196 Gastrointestinal Microbiome All of the microbial organisms that naturally exist within the GASTROINTESTINAL TRACT. Enteric Bacteria,Gastric Microbiome,Gastrointestinal Flora,Gastrointestinal Microbial Community,Gastrointestinal Microbiota,Gastrointestinal Microflora,Gut Flora,Gut Microbiome,Gut Microbiota,Gut Microflora,Intestinal Flora,Intestinal Microbiome,Intestinal Microbiota,Intestinal Microflora,Bacteria, Enteric,Flora, Gastrointestinal,Flora, Gut,Flora, Intestinal,Gastric Microbiomes,Gastrointestinal Microbial Communities,Gastrointestinal Microbiomes,Gastrointestinal Microbiotas,Gut Microbiomes,Gut Microbiotas,Intestinal Microbiomes,Intestinal Microbiotas,Microbial Community, Gastrointestinal,Microbiome, Gastric,Microbiome, Gastrointestinal,Microbiome, Gut,Microbiome, Intestinal,Microbiota, Gastrointestinal,Microbiota, Gut,Microbiota, Intestinal,Microflora, Gastrointestinal,Microflora, Gut,Microflora, Intestinal
D000073930 Biological Coevolution The process of reciprocal evolutionary change occurring between pairs of species or among groups of species as they interact. Biological Co-Evolution,Co-Evolution, Biological,Coevolution, Biological
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001419 Bacteria One of the three domains of life (the others being Eukarya and ARCHAEA), also called Eubacteria. They are unicellular prokaryotic microorganisms which generally possess rigid cell walls, multiply by cell division, and exhibit three principal forms: round or coccal, rodlike or bacillary, and spiral or spirochetal. Bacteria can be classified by their response to OXYGEN: aerobic, anaerobic, or facultatively anaerobic; by the mode by which they obtain their energy: chemotrophy (via chemical reaction) or PHOTOTROPHY (via light reaction); for chemotrophs by their source of chemical energy: CHEMOLITHOTROPHY (from inorganic compounds) or chemoorganotrophy (from organic compounds); and by their source for CARBON; NITROGEN; etc.; HETEROTROPHY (from organic sources) or AUTOTROPHY (from CARBON DIOXIDE). They can also be classified by whether or not they stain (based on the structure of their CELL WALLS) with CRYSTAL VIOLET dye: gram-negative or gram-positive. Eubacteria
D001435 Bacteriophages Viruses whose hosts are bacterial cells. Phages,Bacteriophage,Phage
D013047 Specific Pathogen-Free Organisms Animals or humans raised in the absence of a particular disease-causing virus or other microorganism. Less frequently plants are cultivated pathogen-free. Pathogen-Free Organisms,Specific Pathogen Free,Organism, Pathogen-Free,Organism, Specific Pathogen-Free,Organisms, Pathogen-Free,Organisms, Specific Pathogen-Free,Pathogen Free Organisms,Pathogen Free, Specific,Pathogen Frees, Specific,Pathogen-Free Organism,Pathogen-Free Organism, Specific,Pathogen-Free Organisms, Specific,Specific Pathogen Free Organisms,Specific Pathogen-Free Organism
D041981 Gastrointestinal Tract Generally refers to the digestive structures stretching from the MOUTH to ANUS, but does not include the accessory glandular organs (LIVER; BILIARY TRACT; PANCREAS). Digestive Tract,GI Tract,Digestive Tracts,GI Tracts,Gastrointestinal Tracts
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus
D056265 Microbial Interactions The inter- and intra-relationships between various microorganisms. This can include both positive (like SYMBIOSIS) and negative (like ANTIBIOSIS) interactions. Examples include virus - bacteria and bacteria - bacteria. Competitive Behavior, Microbial,Cooperative Behavior, Microbial,Behavior, Microbial Competitive,Behavior, Microbial Cooperative,Behaviors, Microbial Competitive,Behaviors, Microbial Cooperative,Competitive Behaviors, Microbial,Cooperative Behaviors, Microbial,Interaction, Microbial,Interactions, Microbial,Microbial Competitive Behavior,Microbial Competitive Behaviors,Microbial Cooperative Behavior,Microbial Cooperative Behaviors,Microbial Interaction

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