The tridecaptins: non-ribosomal peptides that selectively target Gram-negative bacteria

Samantha J. Bann, Ross D. Ballantine, Stephen A. Cochrane*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

1 Citation (Scopus)
6 Downloads (Pure)

Abstract

Tridecaptins are a re-emerging class of non-ribosomal antibacterial peptides (NRAPs) with potent activity against highly problematic strains of Gram-negative bacteria. An intricate mode of action has been reported to explain the bactericidal activity of these AMPs, wherein they bind selectivity to the Gram-negative version of the peptidoglycan precursor lipid II on the outer leaflet of the inner membrane and disrupt the proton motive force. Tridecaptins are highly amenable to synthetic modification owing to their linear structure, therefore, various synthetic analogues have been reported, several of which have enhanced antimicrobial activity, reduced cost of synthesis and/or improved stability towards D-peptidase mediated hydrolysis. It has also been demonstrated that unacylated tridecaptins can act synergistically with clinically relevant antibiotics by sensitizing the outer membrane. This review will summarize past literature on the development/discovery of novel tridecaptin analogues (up until 2020), some of which may be useful therapeutic agents to treat insidious Gram-negative bacterial infections.
Original languageEnglish
Pages (from-to)538-551
JournalRSC Medicinal Chemistry
Volume12
DOIs
Publication statusPublished - 22 Jan 2021

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