Fungal cell wall synthesis machinery

The **fungal cell wall synthesis machinery** refers to the collective set of enzymes and multiprotein complexes responsible for building and remodeling the fungal cell wall, which is essential for fungal cell shape, rigidity, and survival. Major components of the wall include β-1,3-glucan, chitin, α-1,3-glucan, mannoproteins, and chitosan, synthesized by transmembrane synthases (like β-1,3-glucan synthase, chitin synthase), transglycosidases, glycosylhydrolases, and accessory proteins. This machinery is absent in humans, making it a prime target for antifungal drug development. Central drug targets within this complex include β-1,3-glucan synthase (targeted by echinocandins) and chitin synthase (targeted experimentally by nikkomycin). The machinery’s disruption impairs structural integrity and leads to fungal cell death, making it crucial for both basic viability and pathogenicity of fungi[1][3][4][5][6].

Other names

Fungal cell wall biosynthetic pathwaysFungal cell wall assembly complexFungal cell wall synthetic apparatus

Inhibition of β-1,3-glucan synthase (echinocandins); Inhibition of chitin synthase (nikkomycin); Interference with glucan biosynthesis (poacic acid)