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. 2021 Dec 2;12:709012. doi: 10.3389/fmicb.2021.709012

Figure 2.

Figure 2

Compartment-specific modulation of microbial communities by rhizobia differing in noeI gene. (A) α-diversity (Shannon index) among different rhizobial treatments in the unplanted soil, rhizosphere, rhizoplane, endosphere, and nodule compartments. Treatments are wild-type USDA 110 (WT), noeI mutant (Mutant), and not inoculated with rhizobia (Control). Different letters indicate significant differences among treatments (Dunn’s multiple-comparison test; p<0.05). (B) β-diversity principal coordinate analysis (PCoA; weighted UniFrac distances) of unplanted soil, rhizosphere, rhizoplane, endosphere, and nodule communities of soybean inoculated with wild type and mutant rhizobia, and of the control.