FIG. 2.

Phylogenetic tree showing the relationships of Lancefield group G alpha-hemolytic S. dysgalactiae subsp. equisimilis to other types of S. dysgalactiae and other streptococci. The tree was inferred from 16S rRNA data by the neighbor-joining method, and bootstrap values were calculated from 1,000 trees. The scale bar indicates the estimated number of substitutions per 100 bases with the Jukes-Cantor correction. Names and accession numbers (in parentheses) are given as cited in the GenBank database.