Longcheng Guo, Joseph Wambui, Chenhui Wang, Francis Muchaamba, Maria Victoria Fernandez-Cantos, Jaap Broos, Taurai Tasara, Oscar P Kuipers, Roger Stephan
Nisin is a widely used lantibiotic owing to its potent antimicrobial activity and its food-grade status. Its mode of action includes cell wall synthesis inhibition and pore formation, which are attributed to the lipid II binding and pore-forming domains, respectively. We discovered cesin, a short natural variant of nisin, produced by the psychrophilic anaerobe Clostridium estertheticum . Unlike other natural nisin variants, cesin lacks the two terminal macrocycles constituting the pore-forming domain. The current study aimed at heterologous expression and characterization of the antimicrobial activity and physicochemical properties of cesin...
September 27, 2023: Microbiology Spectrum