Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Microbiome diversity blocks pathogens

Spragge, F. et al.

2023

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Summary

Published in Science (2023) as eadj3502, this study by Spragge et al. investigates the relationship between gut microbiome diversity and resistance to pathogen colonisation. The work likely demonstrates that higher microbial community diversity creates a barrier to pathogen establishment, potentially through resource competition and niche exclusion mechanisms. The findings contribute to understanding how microbiome composition influences host susceptibility to infection and may have implications for probiotic and microbiome-based therapeutic strategies.

UK applicability

Whilst the research is likely preclinical or experimental rather than UK-specific, the findings are broadly applicable to UK public health, antimicrobial resistance policy, and NHS interest in microbiome-based interventions for infection prevention.

Key measures

Microbiome species diversity indices; pathogen colonisation resistance; competitive exclusion efficacy; community composition metrics

Outcomes reported

The study examined how diversity within the human gut microbiome confers resistance to pathogen invasion, likely measuring pathogen colonisation rates, competitive exclusion dynamics, and community-level microbiome metrics across diverse microbial assemblages.

Theme
Nutrition & health
Subject
Gut microbiome & human health
Study type
Research
Study design
Experimental study (likely in vitro and/or mouse model with computational modelling, published in Science)
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Human clinical
Catalogue ID
XL0305

Topic tags

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