Comparative genome analysis. A. Cluster analysis of non-core genome sequences of 11 Bordetella strains. The results are displayed using TREEVIEW. Each row corresponds to a specific non-core region of the genome, and columns represent the analyzed strain. Yellow indicates presence while blue represents absence of particular genomic segments. Abbreviations: Bp = B. pertussis, Bpph = human B. parapertussis, Bb IV = complex IV B. bronchiseptica, Bb I = complex I B. bronchisetpica, Bppo = ovine B. parapertussis. B. Zoomed image of non-core region in panel A marked with a red bracket showing complex IV specific regions. On the right, blastn with default settings was used to query the nucleotide collection (nr/nt) from the National Center for Biotechnology Information and homology designations are indicated. C. Distribution of qseBC alleles among complex I and complex IV B. bronchiseptica isolates based on PCR-based amplification and sequencing.