Southern blot with EcoRV-digested Bordetella genomic DNA hybridized to a BP3385 probe. Lanes: 1, B. pertussis Tohama; 2, B. bronchiseptica RB50; 3, B. bronchiseptica PV6; 4, B. bronchiseptica OSU-083; 5, B. hinzii ATCC 51783; and 6, B. hinzii 4135. Relative positions of DNA size markers are indicated to the left.