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Biological characteristics of enteropathogenic Aeromonas species isolated from different Egyptian foods
Faculty
Science
Year:
2021
Type of Publication:
ZU Hosted
Pages:
1577–1586
Authors:
Rania Mohamed Ahmed Aly
Staff Zu Site
Abstract In Staff Site
Journal:
Biologia Springer
Volume:
Keywords :
Biological characteristics , enteropathogenic Aeromonas species isolated
Abstract:
A total of 185 food samples in Sharkia Governorate, Egypt were analyzed for the presence of Aeromonas spp. The recovered isolates were characterized by biochemical tests based on Bergey’s Manual of Systematic Bacteriology and confirmed by API- 20E kit. Of the samples analyzed, 56 (30.27 %) were positive for Aeromonas spp., with the highest incidence in raw milk (55 %) followed by Nile tilapia (48.6 %). A. hydrophila and A. salmonicida were the most predominantly isolated from raw milk and A. caviae was the most prevalent in raw lean beef. A variety of extracellular virulence factors were determined and 83.3 % exhibited β-hemolytic activity; 80 % exhibited lecithinase activity; 75 % exhibited protease activity and 90 % exhibited lipolytic activity. Furthermore, the cytotoxic (act) and the cytotonic (alt) enterotoxins were screened in three selected isolates using PCR assay and the data showed the detection of the two genes with predicted sizes of 232 bp and 442 bp fragments, respectively. These findings indicated a major health risk of infection with enterotoxigenic Aeromonas bacteria for people consuming raw and improper cooked food in Egypt.
Author Related Publications
Rania Mohamed Ahmed Aly, "Molecular characterization of food borne coagulase negative Staphylococci", المؤتمر الدولى الخامس بعنوان التطبيقات الحيوية وعلاقتها بالغذاء والدواء فى مجال عتوم النبات والميكروبيولوجى, 2014
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Rania Mohamed Ahmed Aly, "6-pentyl-α-pyrone from Trichoderma koningii induces systemic resistance in tobacco against tobacco mosaic virus", Springer, 2021
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Rania Mohamed Ahmed Aly, "Synergistic Antibacterial Potential of 6-Pentyl-α-Pyrone Lactone and Zinc Oxide Nanoparticles against Multidrug-Resistant Enterobacterales Isolated from Urinary Tract Infections in Humans", MDPI, 2022
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Rania Mohamed Ahmed Aly, "Triggering the biosynthetic machinery of taxol by Aspergillus flavipes via cocultivation with Bacillus subtilis: proteomic analyses emphasize the chromatin remodeling upon fungal-bacterial interaction.", Springer, 2021
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Rania Mohamed Ahmed Aly, "Molecular characterization of potentially virulent multidrug-resistant Enterococcus faecalis isolated from acquired urinary tract infections in Egyptian patients", Serbian Biological Society (Serbia), 2023
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Department Related Publications
Tamer Aly Elsayed Sweilem, "تأثير البرولين و حامض السالسليك و قش الأرز على نمو و انتاجية نبات الفول البلدي المنزرع تحت ظروف الجفاف", كلية العلوم - جامعة الزقازيق, 2013
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Mohamed Farouk Ibrahim Aly, "T HE RELATIONSHIP BETWEEN SALTS AND GROWTH OF STREPTOMYCES COLONIES ISOLATED FROM MURAL PAINTINGS IN ANCIENT EGYPTIAN TOMBS", كلية العلوم جامعة الزقازيق, 2013
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weSam AbelGhani Aly, "Fibrinolysis and anticoagulant potential of a metallo protease produced by Bacillus subtilis K42", Indian Academy of Sciences, 2011
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weSam AbelGhani Aly, "Molecular and microbiological studies on vancomycin resistant Staphylococcus aureus (VRSA) strains isolated from burned patients", .egypt. j. exp.biot. bot, 2013
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weSam AbelGhani Aly, "The Antagonistic Activities of Some Metabolites Produced by Pseudomonas aeruginosa Sha8", , INSInet Publication, 2009
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