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Chemical space guided discovery of antimicrobial bridged bicyclic peptides against Pseudomonas aeruginosa and its biofilms
Type of publication
Peer-reviewed
Publikationsform
Original article (peer-reviewed)
Author
Di Bonaventura Ivan, Jin Xian, Visini Ricardo, Probst Daniel, Javor Sacha, Gan Bee Ha, Michaud Gaëlle, Natalello Antonio, Doglia Silvia Maria, Köhler Thilo, van Delden Christian, Stocker Achim, Darbre Tamis, Reymond Jean-Louis,
Project
A Chemical Space Approach to Bioactive Peptides
Show all
Original article (peer-reviewed)
Journal
Chemical Science
Volume (Issue)
8(10)
Page(s)
6784 - 6798
Title of proceedings
Chemical Science
DOI
10.1039/c7sc01314k
Open Access
URL
http://pubs.rsc.org/en/content/articlehtml/2017/sc/c7sc01314k
Type of Open Access
Publisher (Gold Open Access)
Abstract
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.
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