Table 1: Bordetella species and presence of insertion sequences.

Presence/No. of Copies per Genome
Species IS481 IS1001 IS1002
B. pertussis +/>50 - +/4-10
B. parapertussis - +/~20 +/9
B. holmesii +/8-10 - -
B. bronchiseptica -a -a/1-7 -

a Isolates of B. bronchiseptica can sometimes contain few copies of IS481 and/or IS1001.

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