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. 2021 Jan 26;13(2):366. doi: 10.3390/nu13020366

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Enterotypes of gut microbiota in Korean adults of the NAS-IARC cross-sectional study (n = 222 participants). Three enterotypes were identified by Principal Coordinates Analysis (PCoA) and k-means clustering based on (A) weighted UniFrac and (B) Bray-Curtis distance matrix (β-diversity) of gut microbiota in the Korean adults; dominant bacteria genus of each enterotype—Bacteroides, Prevotella, and Ruminococcus based on (C) weighted UniFrac and (D) Bray-Curtis distance matrix; panels A and B show scores of PCo1 (Principal Coordinate) and PCo2 on the axes and each study participant’s ID is represented in the panels (legibility of ID numbers not required).