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. 2017 Mar 20;5:35. doi: 10.1186/s40168-017-0250-1

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© The Author(s). 2017

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 3 — Identification of groups (survivors or controls) associated with OTUs using CLR transformation and sPLS-DA model. Individual samples were presented on a PCA plot based on the selected OTUs and are distinguished by group with color and 95% confidence eclipses (a). The abundance of each selected OTUs are presented on clustering heatmaps (b, d). The contribution of the OTUs that associated to each group on the first and second components are presented with contribution plots (c, e)