Microbial ribosomal protein (MRP)

Microbial ribosomal proteins are essential structural and functional components of the bacterial ribosome, the complex molecular machine responsible for translating genetic information into proteins (Wilson, 2014, Cold Spring Harb Perspect Med). In bacteria, these proteins are organized into two subunits, the small 30S and the large 50S, which together form the functional 70S ribosome (Arenz & Wilson, 2016, Nature Reviews Microbiology). These proteins play critical roles in stabilizing ribosomal RNA (rRNA) and facilitating the various stages of translation, including initiation, elongation, and termination. Because bacterial ribosomes differ significantly in structure from eukaryotic 80S ribosomes, they serve as highly selective targets for a wide range of antimicrobial agents such as aminoglycosides, macrolides, and tetracyclines (StatPearls, 2023). Drugs targeting these proteins or their associated rRNA interfere with protein production, resulting in bacteriostatic or bactericidal effects. These targets are fundamental in treating infectious diseases, though their clinical utility is increasingly challenged by the emergence of resistance mechanisms, including target site modifications and enzymatic inactivation (PubMed, 2021).

Other names

Bacterial ribosomal proteinProkaryotic ribosomal proteinr-protein70S ribosomal protein30S ribosomal protein50S ribosomal protein

Inhibition of bacterial protein synthesis by binding to the 30S or 50S ribosomal subunits, leading to the disruption of mRNA decoding, inhibition of peptide bond formation, or prevention of ribosomal translocation.