Abstract:
:The human gut microbiome plays a key role in human health 1 , but 16S characterization lacks quantitative functional annotation 2 . The fecal metabolome provides a functional readout of microbial activity and can be used as an intermediate phenotype mediating host-microbiome interactions 3 . In this comprehensive description of the fecal metabolome, examining 1,116 metabolites from 786 individuals from a population-based twin study (TwinsUK), the fecal metabolome was found to be only modestly influenced by host genetics (heritability (H2) = 17.9%). One replicated locus at the NAT2 gene was associated with fecal metabolic traits. The fecal metabolome largely reflects gut microbial composition, explaining on average 67.7% (±18.8%) of its variance. It is strongly associated with visceral-fat mass, thereby illustrating potential mechanisms underlying the well-established microbial influence on abdominal obesity. Fecal metabolic profiling thus is a novel tool to explore links among microbiome composition, host phenotypes, and heritable complex traits.
journal_name
Nat Genetjournal_title
Nature geneticsauthors
Zierer J,Jackson MA,Kastenmüller G,Mangino M,Long T,Telenti A,Mohney RP,Small KS,Bell JT,Steves CJ,Valdes AM,Spector TD,Menni Cdoi
10.1038/s41588-018-0135-7subject
Has Abstractpub_date
2018-06-01 00:00:00pages
790-795issue
6eissn
1061-4036issn
1546-1718pii
10.1038/s41588-018-0135-7journal_volume
50pub_type
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