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16S rRNA dendrogram. Phylogenetic tree of relationships among Bordetella spp. inferred on the basis of aligned 16S rRNA gene sequences from type strains (first 500 bp); a neighbor-joining algorithm with Achromobacter xylosoxidans xylosoxidans is used as an outgroup. B. avium, ATCC35086; B. bronchiseptica, ATCC19395; B. hinzii, ATCC51783; B. holmseii, ATCC51541; B. parapertussis, ATCC15311; B. pertussis, ATCC9340; B. trematum, DSM11334. Scale bar indicates percentage genetic distance.
