Bead diffusion assay for discovering antimicrobial cyclic peptides |
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| Authors: | Fluxà Viviana S Maillard Noélie Page Malcolm G P Reymond Jean-Louis |
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| Affiliation: | Department of Chemistry and Biochemistry, University of Berne, Freiestrasse 3, CH-3012 Berne, Switzerland. |
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| Abstract: | A combinatorial library of 15,536 cyclic decapeptide analogues of tyrocidine A and gramicidin S was prepared on photocleavable TentaGel beads. The beads were photolyzed without solvent, and spread onto an agar plate inoculated with bacterial lawn. Clear zones were formed around beads carrying antimicrobially active peptides such as E18 c(kVOrnLfThiYOrnLq), which inhibited growth of B. subtilis and selected MRSA strains. |
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