Chemical and genetic validation of Aspergillus fumigatus cell wall targets

A fungus called *Aspergillus fumigatus* builds a protective cell wall that shields it from attack, and this project aims to identify the proteins responsible for constructing that wall. This matters because current antifungal drugs are often ineffective against infections caused by this microbe. People with weakened immune systems—such as those undergoing chemotherapy, organ transplants, or living with HIV—are vulnerable to lethal infections that existing treatments cannot reliably stop. The fundamental gap is that scientists do not fully understand which proteins are essential for building the fungal cell wall, and therefore cannot design drugs to disrupt that process. If this research succeeds, it will provide the pharmaceutical industry with validated molecular targets for developing new antifungal drugs. The potential impact is a new class of treatments that could save lives in hospitals and clinics where drug-resistant fungal infections are a growing threat. Because the work is fundamental science—identifying and validating specific proteins—it does not immediately produce a drug. But similar fundamental research on bacterial cell walls has historically led to antibiotics like penicillin. A deeper understanding of *A. fumigatus* cell wall construction could open the door to therapies that address a significant unmet medical need.