Fig. 2
From: Genomic studies of nitrogen-fixing rhizobial strains from Phaseolus vulgaris seeds and nodules
Gene content comparison between seed-borne rhizobial strains and nodule strains. a Venn diagram showing the number of gene clusters of shared orthologs and strain-specific genes among the genomes of Rhizobium phaseoli-R. etli and Sinorhizobium americanum-S. fredii strains. b Frequency distribution of identity percentages of shared orthologs, by group
