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. 2017 Nov 1;8:2144. doi: 10.3389/fmicb.2017.02144

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Copyright © 2017 Zhou, Yao, Jiao, Zhang, Zheng, Wu, Hu, Li, Yu, Zhang, Jiang and Li.

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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Heatmaps displaying genus distribution patterns for the healthy (A) and periodontitis (B) groups based on Schoener's index matrixes (Supplementary Tables 3, 4). Increasing values are translated into colors from blue to red. Trees were clustered based on the similarity of the Schoener's values. (C) The co-occurrence probabilities based on the Schoener's index were divided into 11 intervals, including 0, 0–0.1, 0.1–0.2, 0.2–0.3, 0.3–0.4, 0.4–0.5, 0.5–0.6, 0.6–0.7, 0.7–0.8, 0.8–0.9, and 0.9–1. The frequency of the Schoener's index falling into each interval was calculated in both the healthy (red) and periodontitis (green) groups. A global comparison of the Schoener's index between the two groups (using a t-test) is also shown within the plot.