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. 2017 May 15;8:834. doi: 10.3389/fmicb.2017.00834

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Copyright © 2017 Lòpez-Fernàndez, Mazzoni, Pedrazzoli, Pertot and Campisano.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Principal coordinate analysis of a rarefied OTU table at phylum level. Dissimilarities were calculated using the Bray-Curtis distance estimator. Variance per axis is presented as percentage.