Abstract:
:The in vitro activity of CA(1-7)M(2-9)NH(2), a 15-residue synthetic hybrid peptide derived from the sequences of cecropin A and melittin, alone and in combination with amoxicillin-clavulanate, imipenem, clarithromycin, ciprofloxacin, rifampin, and vancomycin, was investigated against 40 nosocomial isolates of methicillin-resistant Staphylococcus aureus. Antimicrobial activity of CA(1-7)M(2-9)NH(2) was measured by minimal inhibitory concentration, MBC, and time-kill studies. All isolates were inhibited at concentrations of 1 to 16 microg/mL. Combination studies performed with S. aureusATCC 43300 demonstrated synergy only when CA(1-7)M(2-9)NH(2) was combined with amoxicillin-clavulanate and imipenem. Our findings show that CA(1-7)M(2-9)NH(2) is active against methicillin-resistant S. aureusand that its activity is enhanced when it is combined with several antimicrobial agents.
journal_name
Diagn Microbiol Infect Disjournal_title
Diagnostic microbiology and infectious diseaseauthors
Giacometti A,Cirioni O,Kamysz W,D'Amato G,Silvestri C,Simona Del Prete M,Lukasiak J,Scalise Gdoi
10.1016/j.diagmicrobio.2004.02.008subject
Has Abstractpub_date
2004-07-01 00:00:00pages
197-200issue
3eissn
0732-8893issn
1879-0070pii
S0732889304000422journal_volume
49pub_type
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