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Bacteriophage as a novel approach to Biofilm inhibition and remove

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Bacteriophage as a novel approach to Biofilm inhibition and remove

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  1. Background: • Pseudomonas aeruginosa is an ubiquitous organism which has emerged as a major threat in the hospital environment. Overuse of antibiotics has also significantly increased the emergence of antimicrobial multiresistant bacteria. P. aeruginosa has an innate ability to adhere to surfaces and form virulent biofilms. Bacteriophage might represent one attractive solution to this problem. In this study, P.aeruginosa phage were utilized to Biofilm inhibition and remove. • Result: • P.aeruginosabiofilm had OD: 1.688 in 492n.m. Pure phage, 10-2 and 10-3 diluted phage decreased OD to 1.587, 1.341 and 1.461, respectively. Isolated phage dramatically decline OD of Biofilm of all strains. Bacteriophage as a novel approach to Biofilm inhibition and remove • Discussion: • Phages have various affinity to attach to hosts, thereby it is supposed to phages compete for their receptors. Therefore it is supposed phages have most efficiency in optimum concentration to remove biofilm or growth inhibition. • Methods: • Sample collected from University sewage. Isolation was done according to Martha.R.J.Clokie protocol. Serial dilution prepared, then equally incubated with bacteria to investigate Biofilm inhibition potential. Biofilm formed base on MicroplateBiofilm Assay. The effect of isolated phage investigated on biofilm remove of Pseudomonas putida, E.coli and Acinetobacterbaumanii. Azizian. Reza1, AziziJalilian. Farid2.*, Askari. Hasan1, Naser. Ahmad1, Karimi. Sajedeh1, Sadeghifard. Norkhoda1, SayedDavodMousavi Nasab3 1. Student Research Committee and Clinical Microbiology Research Center, Ilam University of Medical Sciences 2. Virology and Cellular Research Center, Ilam University of Medical Sciences 3. Dep. of Virology, TarbiatModares University Corresponding ’s email: faridazizi@gmail.com • Keyword: Bacteriophage, Biofilm, Planktonic, Biofilm remove and Biofilm inhibition. Table 1-1: Biofilm Removal (P.putida, E.coli and AcinetobacterbaumaniiBiofilmOD) Fig.1-1(Phage plaques )

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