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Molecular characterization of potentially virulent multidrug-resistant Enterococcus faecalis isolated from acquired urinary tract infections in Egyptian patients
Faculty
Science
Year:
2023
Type of Publication:
ZU Hosted
Pages:
351-364
Authors:
Rania Mohamed Ahmed Aly
Staff Zu Site
Abstract In Staff Site
Journal:
Archives of Biological Sciences Serbian Biological Society (Serbia)
Volume:
Keywords :
Molecular characterization , potentially virulent multidrug-resistant Enterococcus
Abstract:
In this study, 154 urine samples were collected from urinary tract infections (UTIs) of hospitalized patients, with 43 (28%) positive for the presence of Enterococcus faecalis without detection of Enterococcus faecium. Based on the demographic data associated with UTI patients, the prevalence of E. faecalis among females was higher than among males in the age group ≥41 years; cases from rural areas showed higher infection than from urban localities. Patients not treated with antibiotics were 2.8-fold more likely to be infected with E. faecalis than patients who received antibiotics. At the molecular level, the genes encoding the virulence determinants in E. faecalis, including cytolysins (cylA, cylB and cylM), gelatinase (gelE), E. faecalis antigen A (efaA), extracellular surface protein (esp), aggregation substance (asa) and collagen binding adhesion (ace) were determined using SYBR green real-time PCR. Antibiotic susceptibility testing showed that almost all strains were multidrug-resistant, with an average multiple antibiotic resistance (MAR) index of 0.55. The colorimetric microtiter plate assay showed that 56% of the strains were biofilm producers. A significant correlation was observed between strong biofilm formation and the presence of cylB and cylM genes. Multidrug-resistant E. faecalis and its virulence potential and biofilm formation ability pose a risk to UTI patients.
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, "Biological characteristics of enteropathogenic Aeromonas species isolated from different Egyptian foods", Springer, 2021
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Department Related Publications
Hanan Elsayed Elsayed Abdulmutallab , "حماية نبات الذرة من الجليوفوسات باستخدام حمض السالسليك السيتوكينين", Egypt J. Agron. Vol. 35, No.2, pp. 115-133., 2013
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Halle Ammar Mouhammed, "Ecophysiological Conditions Affecting Growth and Ochratoxin A Production by Aspergillus terreus HA2 and Aspergillus fumigatusHA1 Isolated from Egyptian Rice Grains", Botanic association, 2016
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Shaima AbdulRahman Ismail Ezz, "Ecological Studies on Eclipta alba (L.) Hassk. at canal banks of Menia El-Kamh in Sharkia province, Egypt.", المؤتمر العلمى السنوى للبيئه, 2014
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