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Anti-Biofilm Agents to Overcome Antibiotic Resistance.
Pharmaceuticals (Basel)
January 2025
AGIR, UR 4294, Faculté de Pharmacie, Université de Picardie Jules Verne, 1 Rue des Louvels, 80000 Amiens, France.
is one of world's most threatening bacteria. In addition to the emerging prevalence of multi-drug resistant (MDR) strains, the bacterium also possesses a wide variety of virulence traits that worsen the course of the infections. Particularly, its ability to form biofilms that protect colonies from antimicrobial agents is a major cause of chronic and hard-to-treat infections in immune-compromised patients.
View Article and Find Full Text PDFSelective toxicity of a novel antimicrobial peptide Acidocin 4356 against Pseudomonas aeruginosa and Acinetobacter baumannii in human cell-based in vitro infection models.
Sci Rep
January 2025
Department of Energy & Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
Prior studies examined Acidocin 4356's antibacterial and antivirulence effects against Pseudomonas aeruginosa, including cell membrane penetration abilities. Building on prior research, an in-vitro co-culture of human cells was established to evaluate the selectivity of Acidocin (ACD) by concurrently cultivating human cells and bacterial pathogens. This study evaluated the antibacterial effectiveness of ACD against Acinetobacter baumannii and Pseudomonas aeruginosa.
View Article and Find Full Text PDFA Phage-Based Approach to Identify Antivirulence Inhibitors of Bacterial Type IV Pili.
Microb Biotechnol
January 2025
Department of Biological Sciences, Virginia Tech, Blacksburg, Virginia, USA.
The increasing threat of antibiotic resistance underscores the urgent need for innovative strategies to combat infectious diseases, including the development of antivirulants. Microbial pathogens rely on their virulence factors to initiate and sustain infections. Antivirulants are small molecules designed to target virulence factors, thereby attenuating the virulence of infectious microbes.
View Article and Find Full Text PDFPhytochemicals Controlling Enterohemorrhagic (EHEC) Virulence-Current Knowledge of Their Mechanisms of Action.
Int J Mol Sci
January 2025
Department of Bacterial Molecular Genetics, Faculty of Biology, University of Gdansk, Wita Stwosza 59, 80-308 Gdansk, Poland.
Enterohemorrhagic (EHEC) is a common pathotype of that causes numerous outbreaks of foodborne illnesses. EHEC is a zoonotic pathogen that is transmitted from animals to humans. Ruminants, particularly cattle, are considered important reservoirs for virulent EHEC strains.
View Article and Find Full Text PDFExploring the antivirulence potential of phenolic compounds to inhibit quorum sensing in Pseudomonas aeruginosa.
World J Microbiol Biotechnol
January 2025
Food Research Center (FoRC), Laboratory of Food Microbiology, Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, SP, Brazil.
Bacteria coordinate gene expression in a cell density-dependent manner in a communication process called quorum sensing (QS). The expression of virulence factors, biofilm formation and enzyme production are QS-regulated phenotypes that can interfere in human health. Due to this importance, there is great interest in inhibiting QS, comprising an anti-virulence strategy.
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