FIG 1.
Phylogenetic tree of 16S rRNA gene sequences based on the maximum parsimony algorithm showing the position of Spiribacter salinus M19-40T and closely related species. GenBank sequence accession numbers are shown in parentheses. Bootstrap values higher than 50% are indicated at branch points. Chromatium okenii DSM 169T was used as the outgroup. Filled circles indicate that the corresponding nodes were also obtained in the trees generated with the maximum likelihood and neighbor-joining algorithms. Bar, 0.01 substitution per nucleotide position.