Fig. 5: Bacterial isolates from the PM-R peanut rhizosphere: effects of typical metabolites on Bradyrhizobium N47 colonization.
From: Legume rhizodeposition promotes nitrogen fixation by soil microbiota under crop diversification
a Diagram of symbiosis signaling pathway of Bradyrhizobium N47 in peanut root, inducing nodule formation at lateral root bases. b, c Expression of bradyrhizobial nodulation signaling genes, 48 h after addition of metabolites. d–f Expression of host common symbiotic signaling genes, measured in peanut roots 24 h after bacterial inoculation and metabolite addition. g Peanut root nodule number 30 days after bacterial inoculation and metabolite addition. The data in b–g are shown as the mean ± SD. The error bars with lowercase represent significant differences between groups (p < 0.05) via one-way ANOVA and Tukey’s post-hoc tests (two-sided, n = 6 biologically independent samples). For exact statistical values, see Supplementary data 12. C, control; Br Bradyrhizobium N47, Qu quercetin, Hy hyperoside, Sc scopoletin, Sy syringaldehyde. Source data are provided as a Source Data file.
