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Exploiting Microbial Glycomimetics to Fight Antimicrobial Resistance

Project description

Targeting bacteria with sugars

Some common infections, such as urinary tract infections, are resistant to antibiotics. This makes treatment difficult and in some cases impossible. Supported by the Marie Skłodowska-Curie Actions programme, the Glyco-Biotic project is focusing on targeting bacteria with traditional drugs. Specifically, it is designing sugar-based molecules that mimic the ones to which bacteria naturally latch. These molecules, called glycomimetics, can help antibiotics stick to the appropriate bacteria. By combining these sugars with antibiotics and fluorescent markers, the project aims to create smarter treatments. Additionally, better diagnostics will ensure we stay one step ahead of antimicrobial resistance.

Objective

Antimicrobial resistance (AMR) represents a significant health and economic challenge worldwide. Due to the fact that bacterial infections affect most people at some point in their lives, methods for specific recognition and targeting of bacteria are of key importance in developing approaches to counter the growth of AMR, where the discovery of novel antibiotics represents a global challenge in urinary tract infections (UTI). Progress in bioorganic synthesis has provided access to knowledge of the interactions between receptors (lectins) and specific carbohydrate on the outer membrane of bacteria. Cell surface carboAntimicrobial resistance (AMR) represents a significant health and economic challenge worldwide, where the discovery of novel antibiotics represents a global challenge in urinary tract infections (UTI). Progress in bioorganic synthesis has provided access to knowledge of the interactions between receptors (lectins) and specific carbohydrate on the outer membrane of bacteria. It is commonly accepted that this process requires an exquisite carbohydrate specificity of bacterial surface lectins and offer an opportunity to develop very selective probes that could target specific bacteria by the development of glycan mimics as potential drug candidates. Interestingly, some bacterial strains of E. coli are specific for galabiose. In order to design a drug candidate, it will be synthesized various glycomimetics with a common core of galabiose, which will be conjugated with a fluorescence probe to evaluate their binding affinity. Our hypothesis in this project resolves around the generation of a new class of antibiotics through the combination of known antibiotic drugs with the lead glycomimetics and allowing the drug delivery to the desired location. This project aims to test both aspects of the discovery of new antibiotics employing bioorganic approach based on the design, synthesis, diagnostic assays and drug delivery analysis of appropriate molecular models.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2024-PF-01

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Coordinator

UNIVERSITY OF BRISTOL
Net EU contribution
€ 260 347,92
Address
BEACON HOUSE QUEENS ROAD
BS8 1QU BRISTOL
United Kingdom
Region
South West (England) Gloucestershire, Wiltshire and Bristol/Bath area Bristol, City of
Activity type
Higher or Secondary Education Establishments
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Total cost
No data