Microbial cell wall and associated enzymes

Microbial cell wall and associated enzymes is a non-specific term encompassing the complex macromolecular structures (cell walls) that surround microbial cells (e.g., bacteria, fungi) and the enzymes involved in synthesizing, remodeling, or degrading these structures. In bacteria, the cell wall is primarily composed of peptidoglycan, which is synthesized and modified by a variety of enzymes, including transglycosylases, transpeptidases (penicillin-binding proteins), amidases, glycosidases, and lytic enzymes such as autolysins and phage-derived endolysins. Fungal cell walls, by contrast, are built from chitin, glucans, and proteins. Enzymes associated with the microbial cell wall are critical for maintaining cell shape, integrity, division, and adaptation, as well as pathogen virulence and immune evasion. These components and enzymes are major drug targets, particularly for antibiotics that inhibit cell wall synthesis in bacteria, leading to cell lysis and death. However, "microbial cell wall and associated enzymes" is not a specific molecular target but rather a collective reference to numerous distinct structures and enzymatic classes, each of which is a legitimate therapeutic target on its own (e.g., MurA, penicillin-binding protein 2). Therefore, the entry is flagged as containing too much and not sufficiently specific information to map to a single, canonical drug target.

Other names

Bacterial cell wallFungal cell wallCell wall-degrading enzymesCell wall hydrolasesPeptidoglycan hydrolasesCell wall synthesis enzymesCWDEs (cell wall degrading enzymes)

Inhibition of cell wall synthesis (e.g., by blocking peptidoglycan cross-linking: β-lactams, glycopeptides); Inhibition of specific enzymes (MurA–MurF, penicillin-binding proteins, transpeptidases); Hydrolysis of peptidoglycan (by lysozyme, endolysins, autolysins)