Phylogenetic tree based on maximum-parsimony analysis of the 16S rRNA gene of isolate SOS Orange and closely related species. Gene sequences from the following organisms were used (the numbers in parentheses are GenBank accession numbers): Planococcus sp. strain MB6-16 (U85898), Planococcus okeanokoites (D55729), Planococcus alkanoclasticus (AF029364), Planococcus kocurii (X62173), Planococcus citreus (X62172), Planococcus mcmeekinii (AF041791), Bacillus psychrophilus (D16277), unidentified bacterium 16S rRNA gene clone DA057 (AJ000988), unidentified bacterium 16S rRNA gene clone DA114 (AJ000980), Bacillus globisporus (X68415), Bacillus aminovorans (X62178), Bacillus firmus IAM 12464 (D16268), Bacillus firmus NCIMB 9366 (X60616), and Bacillus pseudomegaterium (X77791).