Summary
This large-scale population study of 7,738 Dutch participants investigated the genetic contribution to interindividual variation in the human gut microbiome. Using GWAS and heritability analyses, the authors identified multiple genetic loci and quantified the proportion of microbiome variation explained by host genetics, suggesting that both genetic and environmental factors shape microbial community structure in humans.
Regional applicability
The findings on host genetic determinants of microbiome composition are relevant to UK nutritional science and personalised health approaches, though direct application requires confirmation in UK populations given potential differences in ancestry, diet, and healthcare practices.
Key measures
Heritability estimates for microbiome taxa; genome-wide association study (GWAS) results; bacterial abundance and taxonomic diversity; genetic loci associated with microbiome composition
Outcomes reported
The study examined associations between host genetic variants and gut microbiome composition in a large population cohort. It quantified the heritability of microbiome traits and identified genetic loci influencing microbial abundance and diversity.
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