Occurrence and detection of AmpC beta-lactamases among Gram-negative clinical isolates using a modified three-dimensional test at Guru Tegh Bahadur Hospital, Delhi, India.

Abstract excerpt

AmpC enzymes can be differentiated from other extended-spectrum beta-lactamases by their ability to hydrolyse cephamycins as well as other extended-spectrum cephalosporins. The present study was designed to determine the occurrence of AmpC enzyme-harbouring Gram-negative clinical isolates in a tertiary care hospital in Delhi, India. Among the 135 clinical isolates of Gram-negative bacilli tested, 20.7% were found...

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