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B-lactam resistance
mechanisms- therapeutics
| Question | Answer |
|---|---|
| Streptococcus spp. | none |
| Streptococcus pneumoniae | change in penicillin binding site |
| Enterococcus | change in penicillin binding site |
| Methicillin susceptible S. aureus (MSSA) | enzymatic inactivation (B-lactamases) |
| Methicillin resistant S. aureus | change in penicillin binding site |
| H. influenzae | enzymatic inactivation (B-lactamases) |
| M. catarrhalis | enzymatic inactivation (B-lactamases) |
| E. coli | enzymatic inactivation (B-lactamases) |
| Enterobacter | enzymatic inactivation (B-lactamases) |
| Pseudomonas aeruginosa | efflux |
| Bacteroides fragilis | enzymatic inactivation (B-lactamases) |
| Legionella spp. | no activity |
| M. pneumoniae | no activity |
| C. pneumoniae | no activity |