The Genus Bordetella
Chapter 18 The Genus Bordetella The genus Bordetella is taxonomically assigned to the family Alcaligenaceae within the β-Proteobacteria and is most closely related to the genera Achromobacter and Alcaligenes. These…
The Genera Escherichia and Shigella
Chapter 13 The Genera Escherichia and Shigella The genera Escherichia and Shigella are class γ-proteobacteria, in the order Enterobacteriales and family Enterobacteriaceae. THE GENUS ESCHERICHIA The genus Escherichia was named…
The Genus Leptospira
Chapter 31 The Genus Leptospira Leptospirosis is encountered commonly by those dealing with animal infectious disease. Its occurrence as a zoonotic infection of humans is strongly influenced by connections to…
The Genus Francisella
Chapter 26 The Genus Francisella Francisella tularensis was isolated in 1912, during studies of a plaguelike disease in rodents in Tulare County, California, from which the specific name is derived….
The Genera Dermatophilus and Nocardia
Chapter 9 The Genera Dermatophilus and Nocardia THE GENUS DERMATOPHILUS Members of the genus Dermatophilus are aerobic, gram-positive, branching, filamentous rods. They produce motile zoospores, and aerial mycelia are ordinarily…
The Genera Prevotella and Porphyromonas
Chapter 38 The Genera Prevotella and Porphyromonas Prevotella spp. and Porphyromonas spp. are obligately anaerobic, non–spore-forming, nonmotile, pleomorphic rods. Both genera have taxonomic placement in the class Bacteroides, order Bacteroidales;…
The Genera Pseudomonas and Burkholderia
Chapter 19 The Genera Pseudomonas and Burkholderia The genus Pseudomonas was described more than a century ago and has been completely revised on multiple occasions because of taxonomic heterogeneity. The…
Other Gram-Positive Anaerobes
Chapter 34 Other Gram-Positive Anaerobes THE GENUS ACTINOBACULUM Actinobaculum suis is the current stopover on a taxonomic odyssey beginning with the genus Corynebacterium and moving to Eubacterium and Actinomyces. However,…
The Genera Actinomyces and Arcanobacterium
Chapter 6 The Genera Actinomyces and Arcanobacterium THE GENUS ACTINOMYCES Members of the genus Actinomyces are grampositive, non–acid-fast, non–spore-forming rods. They are facultatively anaerobic, and most species prefer a reduced…
The Genus Staphylococcus
Chapter 4 The Genus Staphylococcus THE GENUS STAPHYLOCOCCUS The gram-positive aerobic cocci are conve-niently divided into two groups based on cata-lase production. The family Micrococcaceae (genera Micrococcus, Staphylococcus, and Rothia…
