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Inhibitory Effect of Newly-Synthesized Chalcones on Hemolytic Activity of Methicillin-Resistant Staphylococcus aureus

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2015
2372.pdf (790.2Kb)
Authors
Božić, Dragana
Milenković, Marina
Ivković, Branka
Larsen, Anders Rhod
Cirković, Ivana
Article (Published version)
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Abstract
Pathogenicity of methicillin-resistant Staphylococcus aureus (MRSA) is associated with a broad spectrum of virulence factors, amongst which is a-hemolysin. The aim of this study was to investigate the effect of three newly-synthesized chalcones (1,3- Bis-(2-hydroxy-phenyl)propenone, 3(3-Hydroxy-phenyl)-1-(2-hydroxy-phenyl)-propenone and 3-(4-Hydroxy-phenyl)-1-(2-hydroxy-phenyl)-propenone) on a-hemolysin production of clinical isolates of MRSA. Subinhibitory concentrations of the tested compounds reduced hemolytic activity of MRSA strains, with almost complete abolishment of hemolysis at concentrations in the range of 1/2-1/4 x MIC (25-12.5 mu g/ml). In conclusion, newly-synthesized chalcones tested in this study showed potent inhibitory activity on a-hemolysin production of multiresistant and genetically diverse MRSA strains.
Keywords:
alpha-hemolysin / chalcones / MRSA
Source:
Polish Journal of Microbiology, 2015, 64, 4, 379-382
Publisher:
  • Polskie Towarzystwo Mikrobiologow-Polish Society Of Microbiologists, Warsaw
Projects:
  • Antibiotic resistant bacterial pathogens in Serbia: phenotypic and genotypic characterization (RS-175039)

DOI: 10.5604/17331331.1185237

ISSN: 1733-1331

PubMed: 26999958

WoS: 000367494600008

Scopus: 2-s2.0-84959256955
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URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/2374
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Pharmacy

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