Figure 1.

Cluster analysis of Brucella reference strains based on biochemical reactions. Cluster analysis of the 23 Brucella reference strains based on 570 (A) and 93 (B) biochemical reactions tested with the Taxa Profileâ„¢ system (plate A, C, and E) and the newly developed Brucella specific Micronautâ„¢ microtiter plate, respectively. Hierarchical cluster analysis was performed by the Ward's linkage algorithm using the binary coded data based on the empirically set cut-off.

Al Dahouk et al. BMC Microbiology 2010 10:269   doi:10.1186/1471-2180-10-269
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