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. 2005 Sep;71(9):5598–5600. doi: 10.1128/AEM.71.9.5598-5600.2005

FIG. 1.

FIG. 1.

Phylogenetic relationships of S. maltophilia strains based on the genes encoding L1 metallo-β-lactamase (A) and L2 β-lactamase (B). The branching pattern was generated by the neighbor-joining method. The numbers at the nodes indicate bootstrap values greater than 800. The DNA sequences for L1 were obtained from strains N531 (accession no. AJ272109), K279a (AJ251814), J657a (AJ251815), IID1275 (X75074), GN12873 (AF010282), U152 (AJ289083), J2323 (AJ289084), 0062 (AJ289082), 37 (AJ289085), 511 (AJ289086), and GEL (AJ289081). The DNA sequences for L2 were obtained from strains N531 (accession no. AJ272110), K279a (AJ251816), J657a (AJ251817), IID1275 (Y08562), ULA511 (AF299368), and 405 (AJ506737).