
Figure 3
Replicon structure of S. meliloti 1021 and derivative strains. Pulsed-field gel electrophoresis of S. meliloti 1021 (lane 2), CFNX604 (lane 1), CFNX601 (lane 3), and CFNX603 (lane 4). (A) Agarose gel stained with ethidium bromide, (B) hybridization with rDNA probe, (C) hybridization with exo genes probe, and (D) hybridization with nif genes probe.











