Aspergillus

Aspergillus is a genus of filamentous fungi that includes several hundred species, some of which are significant human pathogens, most notably Aspergillus fumigatus (Wikipedia, 2024). While the term Aspergillus refers to the entire organism rather than a specific molecular target, it contains several essential proteins and pathways that are the focus of antifungal drug development (PubMed: 29127118). The primary therapeutic targets within the organism include lanosterol 14-alpha demethylase (CYP51), which is essential for ergosterol biosynthesis, and beta-1,3-glucan synthase, which is critical for cell wall integrity (StatPearls: NBK544341). Drugs such as triazoles (e.g., voriconazole) and echinocandins (e.g., caspofungin) exert their effects by inhibiting these specific fungal components (NIH: PMC3122494). Aspergillus species are responsible for a spectrum of diseases known as aspergillosis, ranging from allergic reactions to life-threatening invasive infections in immunocompromised hosts (CDC, 2023). Effective management relies on these antifungal classes, though rising resistance levels and drug-drug interactions present significant clinical challenges (PubMed: 29127118). Monitoring for infection often involves detecting biomarkers like galactomannan or 1,3-beta-D-glucan, which are structural components of the fungal cell wall (PubMed: 19362142).

Other names

Aspergillus speciesAspergillus spp.Fungal genus Aspergillus

Antifungal drugs target Aspergillus by inhibiting ergosterol synthesis via lanosterol 14-alpha demethylase (azoles), disrupting cell wall synthesis via beta-1,3-glucan synthase (echinocandins), or binding to ergosterol to form membrane pores (polyenes) (StatPearls: NBK544341; PubMed: 29127118).