Gram-negative facultative anaerobic rods
Gram-negative facultative anaerobic rods
Gram-negative facultative anaerobic rods
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β-lactamase enzymes<br />
The most important types of β-lactamases:<br />
- extended-spectrum β-lactamases (ESBLs): klebsiella, E. coli<br />
- genes located on plasmids (easily transmit)<br />
- confers resistance against penicillins and most<br />
cephalosporins<br />
- metallo-β-lactamases (MBLs): klebsiella, pseudomonas<br />
- genes are located on plasmids or on the chromosome<br />
- confer resistance against all β-lactam antibiotics<br />
including carbapenems
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