Novel cycloheximide derivatives with antimicrobial activity against Legionella pneumophila

Rasch et al. recently published an article describing antimicrobial properties of cycloheximide derivatives with adamantyl moieties against Legionella pneumophila. Ten different cycloheximide derivatives were synthesized in this study, and five were found to inhibit L. pneumophila growth at a concentration of 30 uM or 40 uM. Interestingly, several other clinically significant Gram-positive and Gram-negative pathogens were not susceptible to these derivatives which suggests a very narrow spectrum of activity which may be limited specifically to L. pneumophila.

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