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Characterization of two novel lytic bacteriophages for reducing biofilms of zoonotic multidrug-resistant Staphylococcus aureus and controlling their growth in milk
Faculty
Veterinary Medicine
Year:
2020
Type of Publication:
ZU Hosted
Pages:
Authors:
Mai Farag Ibrahim Abdel Razek Saad
Staff Zu Site
Abstract In Staff Site
Journal:
LWT - Food Science and Technology Elsevier
Volume:
Keywords :
Characterization , , novel lytic bacteriophages , reducing biofilms
Abstract:
This study targeting the characterization of new lytic phages and studying their impact on Staphylococcus aureus biofilm and growth in milk. Two lytic phages (vB_SauM_ME18 & vB_SauM_ME126) were isolated using 40 Multidrug-Resistant (MDR) S. aureus isolates. Four isolates (10%) were susceptible to phages. Phages were related to Family Myoviridae, had icosahedral heads and long contractile tails. The genome size is 20 kbp for both phages and DNA was digested with hinf I, hind III and hae III. Phages had a latent period (~15 min), rise period (~30 min) and burst size (114 PFU/infected cell for ME18 and 140 PFU/infected cell for ME126). There was a significant reduction in biofilm formation and reduction in the established biofilm biomass in phage treated S. aureus compared with controls (P < 0.05). Phages showed high activity and eliminated MDR S. aureus from ultra-heat-temperature treated milk at 25 °C. However, at 37 °C, ME126 (MOI10) eradicated S. aureus and ME18 (MOI10) reduced the CFU/ml by 87.2% compared with controls (P < 0.05). In essence, lytic phages are promising natural antimicrobials for inhibiting the growth and biofilm of MDR S. aureus in milk, thereby, biocontrol of foodborne pathogens
Author Related Publications
Mai Farag Ibrahim Abdel Razek Saad, "Occurrence, virulence, carbapenem resistance, susceptibility to disinfectants and public health hazard of Pseudomonas aeruginosa isolated from animals, humans and environment in intensive farms", Wiley-Blackwell Publishing Ltd, 2022
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Mai Farag Ibrahim Abdel Razek Saad, "Isolation of bacteriophage as potential biocontrol agents of various E.coli serotypes", 4th International Food Safety Conference, University of Sadat City, 2017
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Mai Farag Ibrahim Abdel Razek Saad, "Application of Bacteriophages for Biocontrol of Extensively Drug Resistant Salmonella Serovars Isolated from Poultry Farms", Assiut University, 2023
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Mai Farag Ibrahim Abdel Razek Saad, "Biocide Syntheses Bee Venom-Conjugated ZnO@αFe2O3 Nanoflowers as an Advanced Platform Targeting Multidrug-Resistant Fecal Coliform Bacteria Biofilm Isolated from Treated Wastewater", MDPI, 2023
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Department Related Publications
Ahlaam Abd Al Aziz Gharieb Ibrahim, "Association of Plasmid-Mediated Quinolone Resistance with AmpC- Beta-Lactamase Producing E. coli strains from Different Sources", Zagazig Univerisity, 2014
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Iman Ibrahim Attia Sweilem, "The presence of toxin genes of Clostridium perfringens isolated from camels and humans in Egypt. تواجد جينات السموم في المطثية الحاطمة المعزولة من الإبل والآدميين بمصر", كلية الطب البيطرى كرواتيا, 2010
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Iman Ibrahim Attia Sweilem, "Isolation of Staphylococcus aureus from milk and human with reference to its survival on surfaces. عزل المكور العنقودى الذهبى من الحليب والآدميين مع الإشارة لبقائها على الأسطح.", كلية الطب البيطرى - جامعة الزقازيق, 2013
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Lamia Mohammad Reza Mohammad Noman, "Studies on Antibiotic Resistance of Escherichia coli isolated from poultry and children", Sues Canal Vet. Med. J, accepted for publication (2013), 2013
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Lamia Mohammad Reza Mohammad Noman, "Bacteriological studies of Salmonella typhimurium isolated from cow calves and lambs", Assiut Vet. Med. J. Vol. 60 No. 140 January 2014, 2014
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