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Fig. 5 | BMC Plant Biology

Fig. 5

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

Fig. 5

qPCR-based quantification shows Bradyrhizobium spp. colonization of Arabidopsis roots. On the y-axis an approximation of the number of bacterial genome copies per plant genome copy. This is calculated by exponentiating 2 by the difference between the Ct values of rpoB (targeting bacterial DNA) and Btub (targeting B tubulin in Arabidopsis). Two plant roots grown in autoclaved river sand supplemented with bacteria were pooled, a total of four replicates per treatment was measured. Arabidopsis: mock treated plants. USDA110: Bradyrhizobium diazoefficiens USDA110. RPG001: Bradyrhizobium sp. isolated from Chamaecrista mimosoides nodule. KLD001: Bradyrhizobium sp. isolated from Parasponia andersonii nodule. These strains possess the symbiotic island

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BMC Plant Biology

ISSN: 1471-2229

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