Chemical space guided discovery of antimicrobial bridged bicyclic peptides against Pseudomonas aeruginosa and its biofilms.
Journal article

Chemical space guided discovery of antimicrobial bridged bicyclic peptides against Pseudomonas aeruginosa and its biofilms.

  • Di Bonaventura I Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
  • Jin X Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
  • Visini R Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
  • Probst D Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
  • Javor S Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
  • Gan BH Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
  • Michaud G Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
  • Natalello A Department of Biotechnology and Biosciences , University of Milano-Bicocca , Piazza della Scienza 2 , 20126 Milan , Italy.
  • Doglia SM Department of Biotechnology and Biosciences , University of Milano-Bicocca , Piazza della Scienza 2 , 20126 Milan , Italy.
  • Köhler T Department of Microbiology and Molecular Medicine , University of Geneva, and Service of Infectious Diseases , University Hospital of Geneva , Geneva , Switzerland.
  • van Delden C Department of Microbiology and Molecular Medicine , University of Geneva, and Service of Infectious Diseases , University Hospital of Geneva , Geneva , Switzerland.
  • Stocker A Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
  • Darbre T Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
  • Reymond JL Department of Chemistry and Biochemistry , University of Bern , Freiestrasse 3 , 3012 Bern , Switzerland . Email: jean-louis.reymond@dcb.unibe.ch.
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  • 2017-11-18
Published in:
  • Chemical science. - 2017
English Herein we report the discovery of antimicrobial bridged bicyclic peptides (AMBPs) active against Pseudomonas aeruginosa, a highly problematic Gram negative bacterium in the hospital environment. Two of these AMBPs show strong biofilm inhibition and dispersal activity and enhance the activity of polymyxin, currently a last resort antibiotic against which resistance is emerging. To discover our AMBPs we used the concept of chemical space, which is well known in the area of small molecule drug discovery, to define a small number of test compounds for synthesis and experimental evaluation. Our chemical space was calculated using 2DP, a new topological shape and pharmacophore fingerprint for peptides. This method provides a general strategy to search for bioactive peptides with unusual topologies and expand the structural diversity of peptide-based drugs.
Language
  • English
Open access status
gold
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Persistent URL
https://folia.unifr.ch/global/documents/287008
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