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Table 4 Mechanisms of betalactamins resistance in strains

From: Seawater drowning-associated pneumonia: a 10-year descriptive cohort in intensive care unit

Resistance mechanisms N = 13
Natural resistance 10 (77%)
 Chromosomal penicillinase: Klebsiella spp./Citrobacter koserii 4
 AmpC cephalosporinase: Enterobacter spp./Pseudomonas aeruginosa 6
Acquired resistance 3 (23%)
 MexAB-OprM efflux pump: Pseudomonas aeruginosa 1
 Inducible penicillinase: Staphylococcus aureus 2
  1. N Total of identical resistance mechanism found in all of samples
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