Article
Daptomycin inoculum effects and mutant prevention concentration with Staphylococcus aureus.
The Journal of antimicrobial chemotherapy - 1 Dec 2007
Quinn Brian, Hussain Syed, Malik Muhammad, Drlica Karl, Zhao Xilin
Abstract excerpt
BACKGROUND: Antimutant activity of antimicrobials can be estimated by comparing drug pharmacokinetics with mutant prevention concentration (MPC). Large bacterial inocula known to reduce susceptibility have not been studied for effects on MPC determination. METHODS: Staphylococcus aureus inoculum size was varied with solid and liquid media containing daptomycin and Ca(2+), a cation expected to lower inoculum...
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