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. 2022 Oct 26;13:981615. doi: 10.3389/fmicb.2022.981615

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Copyright © 2022 Dai, Singh, Gong, Tang, Peng, Zhang, Wu, Zhang and He.

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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Geological soil type and plant species are the main factors underlying distinctive variations within rhizosphere bacterial communities. (A) Principal coordinate analysis (PCoA) of the bacterial communities of rhizosphere soil in maize and tiger lily, based on weighted unifrac metrics. n = 4 biological replicates. Clily = tiger lily rhizosphere samples from Cambrian soil; Cmaize = maize rhizosphere samples from Cambrian soil; Olily = tiger lily rhizosphere samples from Ordovician soil; Omaize = maize rhizosphere samples from Ordovician soil; Slily = tiger lily rhizosphere samples from Silurian soil; Smaize = maize rhizosphere samples from Silurian soil. (B) Heatmap of weighted Unifrac distance metrics, used to measure the dissimilarity coefficient between samples. The color scale indicates the difference in species diversity between paired samples; the smaller the value, the smaller the difference. (C) Shannon index of the rhizospheric bacterial communities represents the communities’ diversity in each sample. Means ± SE, n = 4. One-way ANOVA with multiple comparison tests was used for statistical analysis; different letter indicates statistical difference, p ≤ 0.05.