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. 2022 Feb 24;12:3140. doi: 10.1038/s41598-022-07176-6

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Gut microbiota composition over time. (A) The average relative abundance of the 6 most abundant phyla in the first 12 years of life are shown with Actinobacteria predominating in infancy and Firmicutes becoming the predominant phylum in childhood. Phyla with an abundance < 1% are plotted as “Other”. (B) The composition of average relative abundance of SCFA producer genera in the first 12 years of life is shown. In infancy, Bifidobacterium is the dominant genus of SCFA producers with the composition becoming more diverse in childhood. Note that y-axes are not equivalent.