Article
Role of Capsule in the Pathogenesis of Fowl Cholera Caused by Pasteurella multocida Serogroup A
1 Apr 2001
Abstract excerpt
We have constructed a defined acapsular mutant in Pasteurella multocida X-73 (serogroup A:1) by disrupting the hexA gene through the insertion of a tetracycline resistance cassette. The genotype of the hexA::tet(M) strain was confirmed by PCR and Southern hybridization, and the acapsular phenotype of this strain was confirmed by electron microscopy. The hexA::tet(M) strain was attenuated in both mice and...
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