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Authors
Bruns, HilkeZiesche, Lisa
Taniwal, Nargis Khakin
Wolter, Laura
Brinkhoff, Thorsten
Herrmann, Jennifer
Müller, Rolf

Schulz, Stefan
Issue Date
2018-01-01
Metadata
Show full item recordAbstract
The human gut microbiome matures towards the adult composition during the first years of life and is implicated in early immune development. Here, we investigate the effects of microbial genomic diversity on gut microbiome development using integrated early childhood data sets collected in the DIABIMMUNE study in Finland, Estonia and Russian Karelia. We show that gut microbial diversity is associated with household location and linear growth of children. Single nucleotide polymorphism- and metagenomic assembly-based strain tracking revealed large and highly dynamic microbial pangenomes, especially in the genus Bacteroides, in which we identified evidence of variability deriving from Bacteroides-targeting bacteriophages. Our analyses revealed functional consequences of strain diversity; only 10% of Finnish infants harboured Bifidobacterium longum subsp. infantis, a subspecies specialized in human milk metabolism, whereas Russian infants commonly maintained a probiotic Bifidobacterium bifidum strain in infancy. Groups of bacteria contributing to diverse, characterized metabolic pathways converged to highly subject-specific configurations over the first two years of life. This longitudinal study extends the current view of early gut microbial community assembly based on strain-level genomic variation.Citation
Beilstein J Org Chem. 2018 Dec 3;14:2964-2973. doi: 10.3762/bjoc.14.276. eCollection 2018.Affiliation
HIPS, Helmholtz-Institut für Pharmazeutische Forschung Saarland, Universitätscampus E8.1 66123 Saarbrücken, Germany.Publisher
Beilstein InstitutPubMed ID
30591820Type
ArticleISSN
1860-5397ae974a485f413a2113503eed53cd6c53
10.3762/bjoc.14.276
Scopus Count
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