Microbial proteins and membranes

Microbial proteins and membranes represent a broad and heterogeneous group of therapeutic targets essential for the survival, replication, and structural integrity of pathogenic microorganisms such as bacteria and fungi (StatPearls, 2023). Microbial proteins include a wide range of enzymes, such as penicillin-binding proteins (PBPs) involved in cell wall synthesis, and ribosomal subunits responsible for protein translation (NIH, 2022). The microbial membrane serves as a selective barrier and is often characterized by unique lipid compositions, such as the presence of lipopolysaccharides in Gram-negative bacteria or ergosterol in fungi, which provide specific sites for pharmacological intervention (Nature Reviews Microbiology, 2019). Drugs targeting these components, including beta-lactams, polymyxins, and polyenes, exert their effects by either inhibiting critical enzymatic processes or physically disrupting the membrane bilayer to cause cellular leakage and death (PubMed, 2021). While these targets are central to the treatment of infectious diseases, their broad nature means that drugs must be carefully designed to avoid cross-reactivity with host structures and to overcome the rapid evolution of microbial resistance mechanisms (WHO, 2020).

Other names

Microbial cell envelopeBacterial cell wall and membraneFungal cell wall and membraneMicrobial surface components

Inhibition of cell wall synthesis, disruption of membrane potential and integrity, and inhibition of protein synthesis.