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Maximum likelihood recA phylogeny of Aeschynomene bradyrhizobial symbionts indicating the position of genome-sequenced strains. Adapted from [16]. Numbers at nodes are bootstrap percentages from 100 replicates. Roman numbers indicate clades defined from AFLP analyses and recA phylogeny in [16]. Abbreviations: PB: photosynthetic bradyrhizobia; Sep: separate group with no affiliated number; ND/NI: nod gene dependent/independent symbiotic pathway.
