Disease-specific loss of microbial cross-feeding interactions in the human gut.

Disease-specific loss of microbial cross-feeding interactions in the human gut.
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DOI:
10.1038/s41467-023-42112-w
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发表时间:
2023-10-20
影响因子:
16.6
通讯作者:
Forster, Samuel C.
Forster, Samuel C.
中科院分区:
综合性期刊1区
文献类型:
--
作者:
Marcelino, Vanessa R.;Welsh, Caitlin;Diener, Christian;Gulliver, Emily L.;Rutten, Emily L.;Young, Remy B.;Giles, Edward M.;Gibbons, Sean M.;Greening, Chris;Forster, Samuel C.

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Many gut microorganisms critical to human health rely on nutrients produced by each other for survival; however, these cross-feeding interactions are still challenging to quantify and remain poorly characterized. Here, we introduce a Metabolite Exchange Score (MES) to quantify those interactions. Using metabolic models of prokaryotic metagenome-assembled genomes from over 1600 individuals, MES allows us to identify and rank metabolic interactions that are significantly affected by a loss of cross-feeding partners in 10 out of 11 diseases. When applied to a Crohn’s disease case-control study, our approach identifies a lack of species with the ability to consume hydrogen sulfide as the main distinguishing microbiome feature of disease. We propose that our conceptual framework will help prioritize in-depth analyses, experiments and clinical targets, and that targeting the restoration of microbial cross-feeding interactions is a promising mechanism-informed strategy to reconstruct a healthy gut ecosystem. Gut microbes rely on nutrient exchange for survival, but these cross-feeding interactions remain poorly characterized. Here, Marcelino et al. present a metabolite-exchange scoring system derived from metagenome-scale metabolic models, designed to identify the potential microbial cross-feeding interactions most affected in human diseases.
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