Pleuromutilin is a diterpene produced by several species of basidomycetes, notably the genus Pleurotus, discovered in 1951. Pleuromutilin is a potent and highly selective antibiotic active against a range of Gram positive bacteria with no cross resistance to existing antibiotic classes due to its unique mode of action.
Pleuromutilin inhibits protein synthesis by binding to domain V of 23S rRNA and this has led to the development of many semi-synthetic analogues as new generation atibiotics, such as tiamulin and retapamulin.

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