![]() ![]() ![]() ![]() copri, independently of other species, rapidly became dominant after weaning. prausnitzii and were found to develop steadily with age, whereas P. Distinct bacterial trophic network clusters were identified, centred around either P. Prevotella copri, Faecalibacterium prausnitzii and Prevotella stercorea were, on average, the most abundant species in these 1,389 samples (35%, 11% and 7%, respectively). We found that child age was the largest discriminating factor between samples and that anthropometric indices (collection time points, season, geographic collection site, and iron supplementation) did not significantly influence the gut microbiome. These infants, who typically eat a high-fibre, low-protein diet, were part of a double-blind, randomized iron intervention trial (NCT02941081) and here we report the secondary outcome. To study the development of these Prevotella-rich compositions, we investigated the gut microbiota of children aged between 7 and 37 months living in rural Gambia (616 children, 1,389 stool samples, stratified by 3-month age groups). In particular, non-industrialized gut microbiomes tend to be enriched with Prevotella species. Distinct bacterial trophic networks exist in the gut microbiota of individuals in industrialized and non-industrialized countries. ![]()
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