Genetic, structural and chemical validation of Aspergillus fumigatus cell wall targets

Fungi that most people carry harmlessly can turn deadly when the immune system falters, and the drugs used against them are failing more often. The fungus *Aspergillus fumigatus* builds a protective cell wall that keeps it alive inside a human host, and this project aims to identify the specific proteins that construct that wall. Current antifungal drugs are limited in number and effectiveness, especially for patients undergoing chemotherapy, organ transplants, or living with HIV. Many infections become untreatable. This research addresses a gap in knowledge: we do not fully understand which proteins are essential for building the fungal cell wall, and therefore which ones make good targets for new drugs. If the work succeeds, it will provide pharmaceutical companies with validated molecular targets for developing new antifungal compounds. The immediate impact is not a new drug—that will take years of further development—but a clearer map of the fungus’s vulnerabilities. This is fundamental science with a clear translational goal: reducing the number of lethal fungal infections in immunocompromised patients, a problem that quietly kills tens of thousands of people each year.