Gram-negative bacteria: Difference between revisions
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| − | == Definition == |
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* Bacteria that have a thin peptidoglycan layer in the cell wall and therefore stain [pink or red] on Gram stain |
* Bacteria that have a thin peptidoglycan layer in the cell wall and therefore stain [pink or red] on Gram stain |
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* Outer membrane contains lipopolysaccharide (LPS, which consists of lipid A, core polysaccharide, and O antigen) |
* Outer membrane contains lipopolysaccharide (LPS, which consists of lipid A, core polysaccharide, and O antigen) |
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| + | = Organisms = |
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| − | == Classification == |
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* Bacilli |
* Bacilli |
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* Anaerobes |
* Anaerobes |
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** Bacteroides |
** Bacteroides |
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Revision as of 21:17, 14 August 2019
- 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-fermenting
- Fast fermenters
- Escherichia coli
- Klebsiella
- Enterobacter
- Slow fermenters
- Citrobacter
- Serratia
- Fast fermenters
- Non-lactose-fermenting
- Oxidase-positive
- Pseudomonas spp.
- Burkholderia spp.
- Oxidase-negative
- Urease-positive
- Helicobacter pylori
- Proteus mirabilis
- Urease-negative
- Campylobacter
- Shigella
- Salmonella
- Yersinia
- Urease-positive
- Oxidase-positive
- Lactose-fermenting
- Cocci
- Neisseria
- N. meningitidis
- N. gonorrheae
- Neisseria
- Coccobacilli
- Haemophilus (S. aureus satellite colonies)
- Pasteurella
- Brucella
- Bordatella pertussis
- Francisella tularensis
- Legionella
- Anaerobes
- Bacteroides
