Microbiology (Main)
Gram Negatives
- Cocci
- Neisseria sp. meningococcus
- Moraxella
- Rods
- Lactose Fermenters
- Non-Lactose Fermenters
Lactose Fermenters
Lactose Fermenters |
Indole |
morphology |
E. Coli |
+ |
flat |
Klebsiella | - | muccoid |
Enterobacter | - |
muccoid |
Citrobacter | - | flat |
Arizona | - |
Non-Lactose Fermenters
Non-Lactose Fermenters | Characteristics |
Pseudomonas |
usually strict aerobes, oxidase +, small |
Salmonella, Shigella | |
Acinetobacter | coccobac |
Proteus |
swarming |
H. Flu |
tiny, chocolate agar |
Pasteurella |
Gram Positives
- Cocci
- Clusters
- catalase + Staph sp
- coagulase + S. aureus
- coagulase - S. epidermidis
- Pairs/chains -
- catalase - Strep sp.
- Clusters
- Rods
Rods
Rods |
Cult |
Morphology | |
Listeria |
Small |
Aero |
tumbling |
Diphtheroids |
Small | Anaero |
pallisades |
Actinomyces |
Small | Anaero |
Branching |
Propionibac |
Small | Anaero |
clumps/pleo |
Lactobacillus |
Variable | Both |
may chain |
Clostridium |
Large | Anaero |
Spores |
Bacillus | Large | Aero | Spores |
Anaerobes
- Origin - gut, mouth, head/neck (50% of chronic sinusitis), lung, female gu tract
- Cant grow unless culture specifically asked. 3% of bacteremia, <1% of cystitis
- Bacteroides (B.frag GNR) (Peptostreptococus GPC) (P. Acnes GPR), Clostridium GPR)
Source
7/2/09 PANI