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. 2019 Feb 5;10:60. doi: 10.3389/fpls.2019.00060

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Copyright © 2019 Luziatelli, Ficca, Colla, Baldassarre Švecová and Ruzzi.

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) and the copyright owner(s) 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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Genus-level principal component analysis (PCA) comparison of the normalized bacterial OTU data. The PCA axes differentiate the PH-treated and no-treated samples according to their microbial composition. Different genera are denoted with different colors. Principal Component 1 and 2 explained 78.4 and 21.5% of the total variations, respectively.