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Phylogenetic tree based on 16S rRNA gene sequences using the Neighbour-Joining algorithm, showing the relationships of Psychrobacter sp. strains within the genus. Bootstrap values (> 50%) based on 1000 replications are shown at the nodes of the trees. Bar, substitutions per nucleotide position. Accession numbers for all Psychrobacter strains included in the study are given in parentheses.
