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Fig. 2 | BMC Plant Biology

Fig. 2

From: A genetically and functionally diverse group of non-diazotrophic Bradyrhizobium spp. colonizes the root endophytic compartment of Arabidopsis thaliana

Fig. 2

Reciprocal best blast hit analysis shows that Bradyrhizobium sp. MOS strains lack the symbiotic island. On top a schematic representation of the symbiotic reference strain B. diazoefficiens USDA110, with in black the conserved regions, in red the nif/fix gene cluster and in blue the nod/nol gene cluster. On the right, the strain name (color-coded as followed. Black: the type strains from Fig. 3; red: strains possessing only the nif/fix gene cluster; purple: the non-symbiotic LTSP strains [12]; green: the non-symbiotic strains G22 and BF49 [13]: orange, the MOS strains. Dark grey bar means a hit on the reference genome, with a coverage of ≥50% and a similarity of ≥70%. The Bradyrhizobium sp. MOS strains do not have a hit in the nod/nol or nif/fix gene clusters, suggesting absence of the symbiotic island. As expected, the LTSP strains as well as the G22 / BF49 strains show no hits in the symbiotic genes either

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