Volume 10, Number 5—May 2004
Research
Acute Tick-borne Rickettsiosis Caused by Rickettsia heilongjiangensis in the Russian Far East
Figure 2

Figure 2. . Phylogenetic tree, representing position of Rickettsia heilongjiangensis. The tree was made using MEGA 2.1 software after alignment of both portions of ompA genes obtained from GenBank and sequenced during this study by GENETIX-WIN 5.1 software. The scale represents a number of substitutions per base per indicated horizontal distance. The numbers present at nodes of the tree represent the number of bootstrap replicates of 100 that display the indicated sequence groupings.
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