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Bacteriophage induces modifications in outer membrane protein expression and antibiotic susceptibility in Acinetobacter baumannii.
Int J Biol Macromol
January 2025
Nitte (Deemed to be University), Nitte University Centre for Science Education and Research, Department of Bio & Nano Technology, Paneer Campus, Deralakatte, Mangaluru 575018, Karnataka, India. Electronic address:
Bacteriophages, the most abundant biological agents targeting bacteria, offer a promising alternative to antibiotics for combating multi-drug resistant pathogens like Acinetobacter baumannii. However, the rapid development of bacteriophage resistance poses a significant challenge. This study highlights the contribution of outer membrane proteins (OMPs) in the emergence of bacteriophage resistance in A.
View Article and Find Full Text PDFThe pharmaceutical quality of freeze-dried tablets containing therapeutic bacteriophages against Pseudomonas aeruginosa and Staphylococcus aureus.
Int J Pharm
January 2025
Department of Experimental Biology, Division of Genetics and Molecular Biology, Faculty of Science, Masaryk University, 611 37 Brno, Czech Republic. Electronic address:
The preparation of a solid dosage form containing bacteriophages, which meets pharmaceutical requirements and ensures long-term stability of the phage effect, is significant for implementing phage therapy in practice. A commonly used method for processing phages into a solid form is freeze-drying into a (so-called) freeze-dried cake; however, to date there have been no studies examining the pharmacopeial parameters of freeze-dried tablets with bacteriophages. In this study, we describe the preparation and properties of freeze-dried tablets containing a cocktail of purified pseudomonal bacteriophage DSM 33593 from the genus Pbunavirus and staphylococcal bacteriophage DSM 33473 from the genus Kayvirus (10 PFU/tablet) as the active ingredient.
View Article and Find Full Text PDFEvaluation of the potential of phage phSE-5 to fight Salmonella typhimurium in milk, liquid whole egg and eggshell.
J Appl Microbiol
January 2025
Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
Aims: This study aimed to evaluate the potential of phage phSE-5 to inactivate Salmonella enterica serovar Typhimurium in milk (at 4, 10 and 25°C), liquid whole egg and eggshell (at 25°C for both matrices).
Methods And Results: Since the success of phage treatment in food depends on maintaining phage viability towards different food conditions, firstly the stability of phage phSE-5 at different temperatures and pHs was assessed. The effect of phage phSE-5 against S.
Contributing factors to the migration of antimicrobials in active packaging films.
Food Res Int
January 2025
Centro de Investigación en Alimentación y Desarrollo, A. C. Departamento de Microbiología y Biología Molecular. Av, Río Conchos S/N Parque Industrial. Z.C. 31570. Cd. Cuauhtémoc, Chihuahua, México. Electronic address:
Antimicrobial active packaging plays a key role in food quality and safety. The addition of antimicrobial agents in packaging production aims to release these agents from film to food, thereby preventing, reducing, or eliminating the contamination caused by pathogens or food spoilage microorganisms. This review provides an overview of the antimicrobial active packaging and gives an insight of the antimicrobials that have been used to manufacture antimicrobial active films.
View Article and Find Full Text PDFInvestigation of Microbial Community of Korean Soy Sauce () Using Shotgun Metagenomic Sequencing and Its Relationship with Sensory Characteristics.
Microorganisms
December 2024
Traditional Food Research Group, Korea Food Research Institute, Iseo-myeon, Wanju-gun 55365, Jeollabuk-do, Republic of Korea.
The microbial community of a soy sauce is one of the most important factors in determining the sensory characteristics of that soy sauce. In this study, the microbial communities and sensory characteristics of twenty samples of Korean soy sauce () were investigated using shotgun metagenome sequencing and descriptive sensory analysis, and their correlations were explored by partial least square (PLS) regression analysis. The metagenome analysis identified 1332 species of bacteria, yeasts, molds, and viruses across 278 genera, of which , , and accounted for more than 80% of the total community.
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