Possible misinterpretation of penicillin susceptibility in Staphylococcus aureus blood isolate due to in vitro loss of the blaZ gene.

Volume: 41, Issue: 1, Pages: 163 - 167
Published: Jan 1, 2022
Abstract
We describe a case of recurrent catheter-related blood stream infections (BSI) with Staphylococcus aureus, in which the first isolate tested susceptible to penicillin, while subsequent isolates were resistant. Phenotypic susceptibility correlated with the absence/presence of the blaZ gene. The in vitro stability of penicillin resistance was investigated by subculturing single colonies. In two out of five colonies, phenotypical resistance was...
Paper Details
Title
Possible misinterpretation of penicillin susceptibility in Staphylococcus aureus blood isolate due to in vitro loss of the blaZ gene.
Published Date
Jan 1, 2022
Volume
41
Issue
1
Pages
163 - 167
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