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Phylogenetic trees based on the 16S rDNA, gyrA gene, gyrB gene, and rpoB gene sequences. The phylogenetic trees were constructed with the neighbor-joining method using the software package Mega, version 6.0, after multiple sequence alignments using Clustal X. GenBank accession numbers of bacterial strains are shown in parentheses. The number at each branch is the percentage of times the group of strains in that branch occurred, based on 1,000 cycles, via bootstrap analysis.
