Bacteria
(Redirected from Bacterium)
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Gram Positive
Cocci
- Staphylococcus – forms clusters, facultative anaerobe
- Streptococcus – forms pairs & chains, facultative anaerobe
- Enterococcus - forms pairs & chains, facultative anaerobe
Bacilli
- Bacillus – sporing, aerobic
- Clostridium – sporing, anaerobic
- Corynebacterium – non-sporing, facultative anaerobe
- Listeria – non-sporing, aerobic (or microaerophilic)
- Lactobacillus – non-sporing, anaerobic (or microaerophilic)
- Propionibacterium – non-sporing, anaerobic
- Nocardia – branching, aerobic
- Actinomyces – branching, anaerobic
Gram Negative
Cocci
Bacilli
- Enterobacteriaceae – aerobic (enterobacter, escherichia, salmonella, etc)
- Parvobacteria – varies (Brucella microaerophilic, Haemophilus facultative anaerobe, Bordetella obligate aerobes, Legionella aerobic)
- Pseudomonas - aerobic
- Bacteroides - anaerobic
- Fusobacterium – anaerobic
Comma-shaped
- Vibrios – facultative anaerobes (vibrio, campylobacter, helicobacter)