Figure 1

Phylogenetic analyses between PSB and PNSB. The NJ algorithm tree of 16S rRNA genes of 36 strains from purple bacteria by the MEGA 6.06 (A); the Mauve guide tree of the 35 strains based on whole-genomic similarity at the nucleotide level through multiple genome comparison tool Mauve (B); the NJ tree of 77 conserved proteins shared among the 36 strains by the BPGA (C).