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We characterize the activity of fluorofolin, a potent inhibitor of dihydrofolate reductase, against Pseudomonas aeruginosa. By exploiting a divergence in thymidine metabolism, fluorofolin becomes selective for P. aeruginosa in the presence of thymine, demonstrating that it can be a narrow-spectrum antibiotic for this bacterial pathogen.
We found trade-offs among the environmental and animal welfare impacts of pig farms — those that had low greenhouse gas emissions typically had low land use but poor animal welfare and high antimicrobial use. Some farms performed well in all four impacts, but these farms were not consistently associated with any particular farm or label type.
In this Review, Shepherd, Brockhurst and colleagues explore the clinical evidence in support of four major ecological and evolutionary mechanisms of within-patient antimicrobial resistance emergence in bacteria, and how host niche, bacterial species and antibiotic mode of action combine to govern these mechanisms.
In this work, Yang et al. provide evidence of triclosan exposure resulting in increased evolvability of K. pneumoniae in experimental evolution studies. They utilize sequencing and transcriptomics to explore the chromosomally and horizontally acquired antimicrobial resistance mechanisms.
Triazole antifungals are widely used and exert their action by inhibiting ergosterol biosynthesis. Here, Rybak et al show that these drugs both inhibit ergosterol biosynthesis and induce accumulation of pathway intermediates that directly induce inhibition of sterol synthesis.
We characterize the activity of fluorofolin, a potent inhibitor of dihydrofolate reductase, against Pseudomonas aeruginosa. By exploiting a divergence in thymidine metabolism, fluorofolin becomes selective for P. aeruginosa in the presence of thymine, demonstrating that it can be a narrow-spectrum antibiotic for this bacterial pathogen.
We found trade-offs among the environmental and animal welfare impacts of pig farms — those that had low greenhouse gas emissions typically had low land use but poor animal welfare and high antimicrobial use. Some farms performed well in all four impacts, but these farms were not consistently associated with any particular farm or label type.
Researchers developed an AI model that designs novel, synthesizable antibiotic compounds — several of which showed potent in vitro activity against priority pathogens.
In this study, Liu et al. explore the interplay between a fungal effector and a plant cysteine protease and design a small-molecule compound aimed at targeting this effector to combat rice blast disease.