Gram-negative bacteria: Difference between revisions

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*[[Pasteurella]]
 
*[[Pasteurella]]
 
*[[Brucella]]
 
*[[Brucella]]
*[[Bordatella pertussis]]
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*[[Bordetella pertussis]]
 
*[[Francisella tularensis]]
 
*[[Francisella tularensis]]
 
*[[Legionella]]
 
*[[Legionella]]

Latest revision as of 14:46, 17 February 2022

  • Bacteria that have a thin peptidoglycan layer in the cell wall and therefore stain pink or red on Gram stain
  • Outer membrane contains lipopolysaccharide (LPS, which consists of lipid A, core polysaccharide, and O antigen)

Organisms

Bacilli

Lactose Oxidase Urease
fermenter fast Escherichia coli, Klebsiella, Enterobacter
slow Citrobacter, Serratia
non-fermenter positive Pseudomonas, Burkholderia
negative positive Helicobacter pylori, Proteus mirabilis
negative negative Campylobacter, Shigella, Salmonella, Yersinia

Cocci

Coccobacilli

Anaerobes