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. 2019 Oct 2;9:14138. doi: 10.1038/s41598-019-50740-w

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© The Author(s) 2019

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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Hierarchical clustering of sequences classified at the genus level (a) or OTUs classified at species level. Bars of different colours indicate the different percentages of genera (a) or species (b) identified in each sample. Only taxa participating with >5% in at least one sample are presented for the genus level analyses (a), while for the OTU-level (b), a cut-off was applied to include OTUs covering the 95% of total diversity. Taxa with lower participation were added to the “other” groups.