Bordetella,

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Bordetella is a genus of small (0.2 - 0.7 µm), Gram-negative coccobacilli of the phylum proteobacteria. Obligate aerobes , non fermentative & highly fastidious. Three species are human pathogens B. pertussis , B. parapertussis , B. bronchiseptica ); B. bronchiseptica is motile.

B. pertussis and occasionally B. parapertussis cause pertussis. Some B. parapertussis strains can colonise sheep. B. bronchiseptica rarely infects healthy humans. It causes several diseases like kennel cough and atrophic rhinitis in dogs and pigs, respectively. Causes several diseases in human and animals

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[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Virulence factors contributing their pathogenesis Lipopolysacharide , Activates the alternative pathway of complement and release cytokines.

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[object Object],[object Object],[object Object],[object Object],Pathogenesis: They share everything including Bordetella

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[object Object],[object Object],Conjunctival hemorrhages & cyanotic patches on the face

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Created by Dr P.S.Reddy MD Professor, Dept. of Microbiology Narayana Medical College, Nellore AP, INDIA For e -learning

Bordetella,

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Bordetella,