Production and Biological Activity of Laidlomycin, Anti-MRSA/VRE Antibiotic from Streptomyces sp. CS684

  • Yoo, Jin-Cheol (Department of Pharmacy, Chosun University) ;
  • Kim, Jun-Ho (Department of Pharmacy, Chosun University) ;
  • Ha, Jung-Wan (Department of Pharmacy, Chosun University) ;
  • Park, Nae-Soo (Department of Pharmacy, Chosun University) ;
  • Sohng, Jae-Kyung (Department of Pharmaceutical Engineering, Sunmoon University) ;
  • Lee, June-Woo (Department of Environmental Engineering, College of Applied Science, Catholic University of Pusan) ;
  • Park, Seong-Chan (Department of Biology, College of Natural Sciences, Sunchon National University) ;
  • Kim, Mi-Sun (Department of Biology, College of Natural Sciences, Sunchon National University) ;
  • Seong, Chi-Nam (Department of Biology, College of Natural Sciences, Sunchon National University)
  • Published : 2007.02.22

Abstract

Culture broth of a streptomycete isolate, Streptomyces sp. CS684 showed antibacterial activity on methicilin resistant Staphylococcus aureus (MRSA) and vancomycin resistant enterococci (VRE). Among purified substances from the organism, CSU-1, which is active against MRSA and VRE, is a $C_{37}H_{62}O_{12}Na\;(M^+,721.3875)$, and identified as laidlomycin. The anti-MRSA and anti-VRE activity of CSU-1 was stronger than oxacillin and vancomycin. Phylogenetic analysis showed that strain CS684 is very similar to Streptomyces ardus NRRL $2817^T$, whereas the ability of Streptomyces sp. CS684 to produce laidlomycin was shown to be unique.

Keywords

References

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