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Bordetella (/ ˌ b ɔːr d ə ˈ t ɛ l ə /) is a genus of small (0.2 – 0.7 μm), Gram-negative, coccobacilli bacteria of the phylum Pseudomonadota. Bordetella species, with the exception of B. petrii , are obligate aerobes , as well as highly fastidious , or difficult to culture.
Bordetella pertussis is a Gram-negative, aerobic, pathogenic, encapsulated coccobacillus bacterium of the genus Bordetella, and the causative agent of pertussis or whooping cough. Its virulence factors include pertussis toxin , adenylate cyclase toxin , filamentous haemagglutinin , pertactin , fimbria , and tracheal cytotoxin .
Bordetella bronchiseptica is a small, gram-negative, rod-shaped bacterium of the genus Bordetella. [1] It can cause infectious bronchitis in dogs and other animals, [ 2 ] but rarely infects humans. [ 3 ]
Although kennel cough is considered to be a multifactorial infection, there are two main forms. The first is more mild and is caused by B. bronchiseptica and canine parainfluenza infections, without complications from canine distemper virus (CDV) or canine mastadenovirus A (formerly canine adenovirus-1).
Bordetella parapertussis is a small Gram-negative bacterium of the genus Bordetella that is adapted to colonise the mammalian respiratory tract. [1] Pertussis caused by B. parapertussis manifests with similar symptoms to B. pertussis -derived disease, but in general tends to be less severe. [ 2 ]
Bordetella trematum is a species of Gram-negative bacteria identified in 1996 by comparison of 10 strains of B. trematum against other well characterized Bordetella and Alcaligenes species. [2] The term trema refers to something pierced or penetrated, or to a gap.
Bordetella avium is a gram negative, nonfermentative, strictly aerobic, motile bacterium from the genus Bordetella which has been isolated from patients with respiratory disease (cystic fibrosis). [ 3 ] [ 4 ] [ 5 ] B. avium has a global distribution, that mainly affects young domesticated turkeys.
Pertussis toxin (PT) is a protein-based AB 5-type exotoxin produced by the bacterium Bordetella pertussis, [2] which causes whooping cough.PT is involved in the colonization of the respiratory tract and the establishment of infection. [3]