Summary
This influential review, published in Science in 2012 by Nicholson and colleagues, synthesises evidence on the metabolic interactions between the human host and its resident gut microbiota, framing the gut microbiome as a functional metabolic organ. The authors draw on metabolomics, genomics, and systems biology to argue that microbial communities co-regulate host metabolism through the production of bioactive compounds from dietary inputs, with consequences for immunity, energy homeostasis, and chronic disease risk. The paper is widely cited as a conceptual framework for understanding how diet-driven changes in microbial composition may translate into human health outcomes.
UK applicability
Although not UK-specific in its empirical scope, the conceptual framework advanced here is broadly applicable to UK nutrition and public health research, and has informed UK-based studies on diet, the gut microbiome, and non-communicable disease prevention, including work by UK Biobank and MRC-funded consortia.
Key measures
Metabolic co-regulation pathways; microbial metabolite profiles; host–microbiome signalling axes; metabolomic and metagenomic indicators of gut microbial function
Outcomes reported
The paper reviews and synthesises evidence on the bidirectional metabolic signalling between the human host and its gut microbial communities, examining how microbial metabolism of dietary substrates influences host physiology, disease susceptibility, and metabolic phenotype.
Topic tags
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