Mupirocin Calcium is a carboxylic acid bacteriostatic/bactericidal antibiotic produced by Pseudomonas fluorescens. It is used against the bacteria causing impetigo and skin infections. The product can be used for kinetic assays and in susceptibility testing applications.
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Mupirocin is very sparingly soluble in water.
|Mechanism of Action||Mupirocin inhibits protein synthesis by binding to isoleucyl-tRNA synthetase, an enzyme which conjugates the amino acid isoleucine to its corresponding tRNA.|
|Spectrum||Mupirocin is commonly used to target Gram-positive bacteria especially Methicillin resistant Staphylococcus aureus (MRSA). It is also active against fungi.|
|Microbiology Applications||Mupirocin is commonly used in clinical in vitro microbiological antimicrobial susceptibility tests (panels, discs, and MIC strips) against Gram-positive Staphylococcus microbial isolates. Medical microbiologists use AST results to recommend antibiotic treatment options. Representative MIC values include:
Methicillin resistant Staphylococcus aureus 0.25 µg/mL – 0.39 µg/mL
For a representative list of Mupirocin MIC values, click here.
|Molecular Formula||C56H86CaO16 • 2H2O|
Parenti MA, Hatfield SM, Leyden JJ (1987) Mupirocin: A topical antibiotic with a unique structure and mechanism of action. Clin. Pharm. 6(10):761-770 PMID 3146455