نتایج جستجو برای: phage vaccine

تعداد نتایج: 127647  

Journal: :Nova Biotechnologica et Chimica 2021

In this article are reviewed the promising uses of phage display in areas such as microbial pathogens detection and vaccination. Phage is a molecular technique by which foreign proteins expressed at surface particles. Such phages thereby become vehicles for expression that not only carry within them nucleotide sequence encoding proteins, but have also capability to replicate. Recent data acquir...

2017
Gayeon Won Boram Kim John Hwa Lee

Human typhoid fever caused by Salmonella Typhi still poses a severe global disease burden in developing countries despite the availability of commercial vaccines. In this study, we constructed a non-living S. Typhi Ty21a vaccine candidate by employing a lambda (λ) phage-derived holin-endolysin system to efficiently construct bacterial ghosts. The lysis plasmid pJHL464 harbors an R lysis cassett...

Journal: :Journal of immunology 2012
Ying Peng Yan Zhang William J Mitchell Guoquan Zhang

Coxiella burnetii is a Gram-negative bacterium that causes acute and chronic Q fever in humans. Creation of a safe and effective new generation vaccine to prevent Q fever remains an important public health goal. Previous studies suggested that Ab-mediated immunity to C. burnetii phase I LPS (PI-LPS) is protective. To identify the potential peptides that can mimic the protective epitopes on PI-L...

Background and Objective: This study was carried out to isolate lytic bacteriophages against Pseudomonas aeruginosa and analyze their biological characteristics and antibacterial effects on other clinical isolates of bacteria. Methods: Isolating two lytic bacteriophages against two strains of P. aeruginosa was carried out using the double-layer agar method. After investigating the antibacteria...

In this study, 90 internal organ samples of poultry with symptoms of colibacillosis were obtained from Maragheh poultry farms in East Azerbaijan, Iran. In total, 70 bacterial isolates were confirmed as Escherichia coli (E. coli) strains using standard biochemical tests, and antibiotic sensitivity was determined by the disk diffusion method. Antibiotics used in this study included ampicillin, pe...

2012
R. R. Tonelli W. Colli M. J. M. Alves

Parasite infections are largely dependent on interactions between pathogen and different host cell populations to guarantee a successful infectious process. This is particularly true for obligatory intracellular parasites as Plasmodium, Toxoplasma, and Leishmania, to name a few. Adhesion to and entry into the cell are essential steps requiring specific parasite and host cell molecules. The larg...

Background and Aims: In the current study, two bacteriophages were isolated from the wastewater sources and characterized by lytic activity against the Listeria monocytogenes (L. monocytogenes) bacterium. Materials and Methods:  50 wastewater samples were collected from the disposal sites. The phages were isolated from the treated samples using the double agar overlay method with L. monocytoge...

Javad Behravan Mohammad Ramezani, Reza Kazemi Oskuee

Objectives: Evaluation of therapeutic effects of Carum copticum (C. copticum) has been the subject of several studies in recent years. Thymol the major component of C. copticum is a widely known anti-microbial agent. In this study, the antibacterial and anti viral activities of essential oil of C. copticum fruit were determined. Materials and Methods: Essential oil of C. copticum was analyzed ...

2014
Tsubasa Suzuki Yasuhiko Ono Hidenori Maeda Yoshiki Tsujimoto Yugo Shobugawa Clyde Dapat Mohd Rohaizat Hassan Chihiro Yokota Hiroki Kondo Isolde C. Dapat Kousuke Saito Reiko Saito

97 Received November 5, 2013; revised and accepted January 17, 2014. Published online February 15, 2014; doi: 10.1620/tjem.232.97. Correspondence: Tsubasa Suzuki, Division of International Health, Graduate School of Medical and Dental Sciences, Niigata University, 1-757 Asahimachi-dori, Chuo-ku, Niigata, Niigata 951-8122, Japan. e-mail: [email protected] Effectiveness of Trivalent In...

Journal: :Viruses 2023

Phages possess the ability to selectively eliminate pathogenic bacteria by recognizing bacterial surface receptors. Since their discovery, phages have been recognized for potent bactericidal properties, making them a promising alternative antibiotics in context of rising antibiotic resistance. However, rapid emergence phage-resistant strains (generally involving temperature phage) and limited h...

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