Figure 2

Dendrogram of Y. ruckeri isolates based on Not I-macrorestriction (PFGE) patterns. The similarity analysis was performed using the Dice coefficient and UPGMA method (tolerance 1%). Pulsotype D: reference strain DSM18,506. The similarity of the isolates obtained from Lower Saxony (L), Hessen (H) and North Rhine-Westphalia (N) are given as percentages at the major junctions in the dendrogram. The NotI-patterns, number of isolates, year(s) of isolation, geographical origin and biotype (biotype 1: motile, biotype 2: non-motile) are shown.