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hCom2 Complex Gut Microbiome

A complex defined human gut microbiome assembled from hCom1 and iteratively augmented after fecal challenge to improve stability and colonization resistance in gnotobiotic mice.

Taxonomy

Taxon Ontology ID Functional Roles Abundance
defined human gut bacterial members NCBITaxon:2
CROSS_FEEDER
N/A
  • PMID:36070752 - SUPPORT (IN_VIVO)
    "We identified new species that engrafted following fecal challenge and added them to hCom1, yielding hCom2."

Ecological Interactions

Ecological interaction network for hCom2 Complex Gut Microbiome Bipartite graph where circle nodes represent taxa and colored rectangles represent ecological interactions (cross-feeding, mutualism, syntrophy, competition, commensalism).
Taxon
Cross-feeding
Mutualism
Syntrophy
Competition
Commensalism
Niche partitioning
Colonization facilitation
Strain competition
Predation

Gut Niche Filling and Colonization Resistance

COLONIZATION_FACILITATION

Evidence

  • PMID:36070752 - SUPPORT (IN_VIVO)
    "We identified new species that engrafted following fecal challenge and added them to hCom1, yielding hCom2."

Environmental Factors

Factor Value Unit
gnotobiotic fecal challenge Germ-free mice colonized with hCom1 were challenged with a human fecal sample to identify additional engrafting species. N/A
  • PMID:36070752 - SUPPORT (IN_VIVO)
    "We identified new species that engrafted following fecal challenge and added them to hCom1, yielding hCom2."