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Category: Clinical Microbiology
Bordetella and Related Genera, Page 1 of 2
< Previous page | Next page > /docserver/preview/fulltext/10.1128/9781555816728/9781555814632_Chap43-1.gif /docserver/preview/fulltext/10.1128/9781555816728/9781555814632_Chap43-2.gifAbstract:
The genera Bordetella, Achromobacter, Alcaligenes, Kerstersia, and Advenella belong to the family Alcaligenaceae (order Burkholderiales in the β subclass of the Proteobacteria). The genus Kerstersia was proposed for a set of strains phenotypically resembling A. faecalis that were classified as Kerstersia gyiorum or as belonging to at least one other Kerstersia species. Virulence factors of bordetellae can be classified as adhesins, autotransporters (i.e., filamentous hemagglutinin [FHA], fimbriae [FIM], and pertactin [PRN]), and toxins (i.e., pertussis toxin [PT], adenylate cyclase toxin, and lipopolysaccharide [LPS]). For other bordetellae, normal microbiological transport media seem to be suitable for transport. Similarly, Achromobacter, Alcaligenes, Kerstersia, and Advenella species can survive in a wide range of environments and at various temperatures. Commercial multiplex PCRs for the detection of various respiratory agents, including bordetellae, are available. Members of the genus Advenella can be separated from related species by their inability to assimilate phenyl acetate. B. pertussis and B. parapertussis are susceptible in vitro to a range of antibiotics, including penicillins, macrolides, ketolides, quinolones, and other antibiotics, including tetracyclines, chloramphenicol, and trimethoprim-sulfamethoxazole, whereas they are resistant to most oral cephalosporins. Antimicrobial sensitivity testing of the Bordetella isolates should be interpreted in accordance with criteria for other infrequently isolated and fastidious nonfermentative gram-negative rods.
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Growth of B. pertussis on RL medium.
Growth of B. pertussis on RL medium.
Members of the genus Bordetella
Members of the genus Bordetella
Biochemical reactions useful for differentiating Achromobacter, Alcaligenes, Kerstersia, and Advenella species a
a Data are from references 13 , 20 , 21 , 22 , 54 , and 120 .
b Symbols and abbreviations: +, ≥90% of the strains are positive; –, ≤10% of the strains are positive; V, 10 to 89% of the strains are positive; ND, not determined.
Biochemical reactions useful for differentiating Achromobacter, Alcaligenes, Kerstersia, and Advenella species a
a Data are from references 13 , 20 , 21 , 22 , 54 , and 120 .
b Symbols and abbreviations: +, ≥90% of the strains are positive; –, ≤10% of the strains are positive; V, 10 to 89% of the strains are positive; ND, not determined.
Useful characteristics for differentiating Bordetella species
a Symbols and abbreviations: +, ≥90% of the strains are positive; –0, ≤10% of the strains are positive; V, 10 to 89% of the strains are positive; ND, not determined.
Useful characteristics for differentiating Bordetella species
a Symbols and abbreviations: +, ≥90% of the strains are positive; –0, ≤10% of the strains are positive; V, 10 to 89% of the strains are positive; ND, not determined.