Comparison of the Efficacies of Oral Beta-lactams in Selection of Haemophilus Influenzae Transformants with Mutated FtsI Genes
Overview
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Horizontal transfer of the mutated ftsI gene from beta-lactamase-nonproducing ampicillin-resistant (BLNAR) Haemophilus influenzae to a susceptible strain was examined in vitro under selection with nine oral beta-lactams (ampicillin, amoxicillin, cefprozil, cefuroxime, cefpodoxime, cefdinir, cefcapene, cefditoren, and tebipenem). Compared to the penicillins and the carbapenem, the cephalosporins showed a wide selection window for the genetic transfer.
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