FIG. 1.

Neighbor-joining trees comparing the taxonomic relationships of representatives of P. acnes types IA, IB, II, and III determined by analysis of partial sequences of PA-4687 and PA-25957. Bootstrap values are indicated at corresponding nodes. J165 and SK137 are type IA, SK187 and KPA171202 are type IB, and J139 is type II by recA sequencing. The phylotype of the isolates recovered in this study is denoted by the first letters of the strain name (1A [for type IA], 1B [for type IB], II, or III). Bars, 0.005 or 0.001 substitution per site.