Development of a Plaque Reduction Assay as an Antiphage Activity Evaluation Method
Publish place: Research in Molecular Medicine، Vol: 3، Issue: 3
Publish Year: 1394
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_REMJ-3-3_005
تاریخ نمایه سازی: 22 دی 1402
Abstract:
Background: Antiviral screening of newly isolated or synthesized compounds is an important matter which requires a reliable antiviral test. In order to address this issue, the development of a rapid antiphage test has been conducted. To achieve this goal, the antiphage activity of three antiviral drugs (Acyclovir, Lamivudine and Trifluridin) against phage CP۵۱ which infects Bacillus cereus (ATCC ۱۰۸۷۶) was investigated.
Materials and Methods: Phage lysate was prepared by inoculation of bacterial culture with few phage plaques. The number of phage has to be about one million units per milliliter. The antiviral drugs were dissolved in suitable solvents and different concentrations of each drug were prepared. Phage lysate (۰.۱ml) mixed with appropriate amount of each drug. After ۳۰ minutes incubation at ambient temperature or without any incubation, ۵۰۰ ;mul inoculum of ۵ hours old liquid culture of B.cereus added to the mixture. Then, melted top agar (۱.۴-۱.۹ ml) was subjoined at the end and the final admixture was immediately seeded on the solid PA agar. After ۲۴ h, plaques were counted.
Results: Out of three drugs, only trifluridine significantly decreased the plaque forming unit ratio (p۰.۰۵).
Conclusion: Briefly, the scientific evidences from this study supported the development of one rapid qualitative and quantitative antiphage assay.
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Authors
Abolghasem Danesh
Biotechnology research center, Mashhad University of Medical Sciences, Mashhad, Iran
Javad Behravan
Biotechnology research center, Mashhad University of Medical Sciences, Mashhad, Iran
Mohammad Ramezani
Pharmaceutical research center, Mashhad University of Medical Sciences, Mashhad, Iran
Zahra Sabeti Noghabi
School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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