Gammaproteobacteria

Gammaproteobacteria is a class of bacteria. All species in this class are Gram-negative. 

 

Classification

Domain : Prokaryota, Bacteria  

Kingdom : Bacteria 

Phylum : Proteobacteria   

Class : Gammaproteobacteria  

Order : Enterobacteriales  

Family : Enterobacteriaceae 

• Escherichia coli (Shigatoxigenic and verotoxigenic strains)
• Shiga toxin / Shiga-like toxin : Bacillary dysentry
• Klebsiella pneumoniae 
• Pneumonia
• Proteus mirabilis 
• Urinary tract infections, wound infections  
• Salmonella bongori 
• Salmonellosis
• Salmonella enterica species
• Salmonellosis 
• Typhoid fever
• Paratyphoid fever
• Shigella dysenteriae
• Shigellosis
• Shiga toxin : Bacillary dysentry
• Yersinia enterocolitica
• Mesenteric lymphadenitis
• Yersinia pestis 
• Plague 

Order : Legionellales  

Family : Legionellaceae  

• Coxiella burnetii 
• Q fever 
• Legionella pneumophila 
• Legionellosis

 

Order : Pasteurellales 

Family : Pasteurellaceae 

• Haemophilus ducreyi
• Chancroid
• Haemophilus influenzae (type b) 
• Haemophilus influenzae infection, pneumonia, epiglottitis, acute bacterial meningitis, cellulitis, osteomyelitis, and infectious arthritis.

 

Order : Pseudomonadales 

Family : Moraxellaceae

• Moraxella catarrhalis
• Respiratory tract infections in hospitalised patients and patients with chronic lung diseases.

 

Order : Pseudomonadales 

Family : Pseudomonadaceae 

• Pseudomonas aeruginosa 
• Respiratory tract infections in hospitalised patients and patients with chronic lung diseases.

 

Order : Thiotrichales  

Family : Francisellaceae 

• Francisella tularensis 
• Tularaemia

 

Order : Vibrionales  

Family : Vibrionaceae  

• Vibrio cholerae 
• Gram negative, facultatively anaerobic, curved rod 
• Cholera toxin : Cholera morbus