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Name: Professor Dr. / Aymen Samir Yassin
Department: Microbiology & Immunology
Email: aymen.yassin@pharma.cu.edu.eg
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Scholar: https://scholar.cu.edu.eg/?q=ayassin
Latest List of Publications 1. Eraqi, W.A., Yassin, A.S., Ali, A.E., Amin, A.M. Utilization of Crude Glycerol as a Substrate for the Production of Rhamnolipid by Pseudomonas aeruginosa,” Biotechnology Research International, vol. 2016, Article ID 3464509, 9 pages, 2016.
2. Hassan M, Essam T, Yassin A.S., Salama A. Optimization of rhamnolipid production by biodegrading bacterial isolates using Plackett-Burman design. International Journal of Biological Macromolecules. Jan; 82:573-9, 2016.
3. Sheraba, N.S., Diab, M.R., Yassin, A.S., Amin, M.A., Zedan, H.H. Quality Control Testing for Tracking Endotoxin-Producing Gram-Negative Bacteria during the Preparation of Polyvalent Snake Antivenom Immunoglobulin. PDA Journal of Pharmaceutical Sciences and Technology. Jul-Aug; 69(4):499-510, 2015.
4. Farag, M.A., Al-Mahdy, D.A., Salah, El Dine R., Fahmy, S., Yassin, A.S., Porzel, A., Brandt, W. Structure-Activity Relationships of Antimicrobial Gallic Acid Derivatives from Pomegranate and Acacia Fruit Extracts against Potato Bacterial Wilt Pathogen. Chemistry and Biodiversity. Jun; 12(6):955-62, 2015.
5. Elhosseiny, N. M., Amin, M.A., Yassin, A.S., and Attia, A.S. Acinetobacter baumannii universal stress protein A plays a pivotal role in stress response and is essential for pneumonia and sepsis pathogenesis. International journal of Medical Microbiology. vol. 305, issue 1, pp. 114-23, 2015
6. Hashem, Y. A., Yassin, A.S., and Amin, M. A. Molecular characterization of Enterococcus spp. clinical isolates from Cairo, Egypt. Indian Journal of Medical Microbiology, vol. 33 Suppl, pp. S80-6, 2015
7. Raouf, H. E., Yassin, A.S., Megahed, A.S., Ashour, M.S. and Mansour, T.M. "Seroprevalence of occult hepatitis B among Egyptian paediatric hepatitis C cancer patients. Journal of viral hepatitis, vol. 22, issue 2, pp. 101-9 (2015).
8. El-Batal, A. I., ElKenawy, N. M., Yassin A.S., and Amin M.A., "Laccase production by Pleurotus ostreatus and its application in synthesis of gold nanoparticles", Biotechnology Reports, vol. 5, pp. 31 - 39, 2015.
9. Shaikh T.R., Yassin A.S., Lu Z., Barnard D., Meng X., Lu T.M., Wagenknecht T., Agrawal R.K. Initial bridges between two ribosomal subunits are formed within 9.4 milliseconds, as studied by time-resolved cryo-EM. Proceedings in the National Academy of Science U S A. 111(27):9822-7. Jul 8; (2014).
10. Lu, Z., Barnard, D., Shaikh, T.R., Meng, X., Mannella, C.A, Yassin, A.S., Agrawal, A., Wagenknecht, T. and Lu. T.M. Gas-Assisted Annular Microsprayer for Sample Preparation for Time-Resolved Cryo-Electron Microscopy. Journal of micromechanics and microengineering : structures, devices, and systems, vol. 24, issue 11, pp. 115001, (2014).
11. Metwally, M. A., Yassin, A. S., Essam, T. M. Hamouda, H. M. and Amin, M. A. Detection, characterization, and molecular typing of human Mycoplasma spp. from major hospitals in Cairo, Egypt. The Scientific World Journal, vol. 2014, pp. 549858. (2014).
12. Sheraba, N. S., Yassin, A.S., Fahmy, A. and Amin, M.A. Quantitative suspension tests for the evaluation of bactericidal, fungicidal and sporicidal effects of biocides used in vaccine production facility. African Journal of Microbiology Research, vol. 8, issue 5, pp. 417-424, (2014).
13. Hassan M., Essam T., Yassin A.S., Salama A. Screening of Bio-Surfactant Production Ability among Organic Pollutants Degrading Isolates Collected From Egyptian Environment. Journal of Microbial and Biochemical Technology. 6: 195-201. (2014).
14. Ramadan M.A., Megahed S.A., Eltaweel K.M. and Yassin AS. Potential in vitro anti-helicobacter activity of bacteriocin and bacteriocin-like compounds produced by lactobacilli. The Journal of Microbiology, Biotechnology and Food Sciences. Vol 4, No 2, Oct-Nov. (2014).
15. Yassin, A., Tawfeek,M., Hashem, R., Nagy, Y., Hashem, Y., Salam,S.A., Emad, A., Ragab, Y., Kholiefy, A. Shawky, A., et al., Antibiotic resistance patterns among common Gram positive and Gram negative pathogens in clinical isolates from major hospitals in Cairo, Egypt. Worldwide Research Efforts in the Fighting against Microbial Pathogens: From Basic Research to Technological Developments, Boca Raton, Florida, USA, BrownWalker Press, pp. 34-39, (2013).
16. Hashem, R. A., Yassin, A.S., Zedan, H.H., and Amin,M.A. Fluoroquinolone resistant mechanisms in methicillin-resistant Staphylococcus aureus clinical isolates in Cairo, Egypt, Journal of Infection in Developing Countries, vol. 7, issue 11, pp. 796-803( 2013).
17. Ayoub, E.A., Shafik, C.F., Gaynor, A.M. Mohareb, E.W., Amin, M.A., Yassin, A.S., El-Refaey, S., Genedy, M. and Kandeel, A. A molecular investigative approach to an outbreak of acute hemorrhagic conjunctivitis in Egypt, October 2010. Virology Journal, vol. 10, (2013).
18. Shafik, C.F., Mohareb, E.W., Yassin, A.S., Amin, M.A., ElKholy, A., El-Karsasky, H. and Youssef, F.G. Viral Etiologies of lower respiratory tract infections among Egyptian children under five years of age. BMC Infectious Diseases, 13; 12:350. doi: 10.1186/1471-2334-12-350, (2012).
19. Kashef, M.T., Yassin, A.S., and Hosny, A.M.S. Detection of β- Lactamse genes in Bacillus cereus isolated from food samples in Egypt. Journal of Microbiological Methods, Volume 91, Issue 3, Pages 354–357, (2012).
20. Mohsen, D.H, Yassin, A.S., Aziz, R.K. and Amin, M.A. Detection of β- Lactamse genes in Bacillus cereus isolated from food samples in Egypt. New Egyptian Journal of Microbiology, Volume 33, pages 11-22, (2012).
21. Sheraba, N.S., Yassin, A.S., Fahmy, A. and Amin, M.A. Efficacy and toxicity of neutralizers against disinfectants and antiseptics used in vaccine production facility. African Journal of Microbiology Research Vol. 6(36), pp. 6565-6571, 20, (2012).
22. Suzan, M.R., Yassin, A.S. And Amin, M.A. The application of uniplex, duplex, and multiplex PCR for the absence of specified microorganism testing of pharmaceutical excipients and drug products. PDA Journal of Pharmaceutical Sciences and Technology. 66(4):307-17, (2012).
23. Yassin, A.S., Agrawal, R. K., and Banavali N., K. Computational Exploration of Structural Hypotheses for an Additional Sequence in a Mammalian Mitochondrial Protein. PLoS ONE, 6(7): e21871. doi:10.1371/journal.pone.0021871, (2011).
24. Agrawal, R.K., Sharma, M.R., Yassin, A., Lahiri, I., and Spremulli, L.L. Structure and function of organellar ribosomes as revealed by cryo-EM. In "Ribosomes: Structure, Function, and Dynamics," Rodnina, M.,Wintermeyer, W., & Green, R. eds. (SpringerWien, New York), pp. 83-96, (2011).
25. Yassin, A.S., Haque Md., Datta P.P., Elmore, K., Banavali, N.K., Spremulli, L. L., and Agrawal, R. K. Insertion domain within mammalian mitochondrial translation initiation factor 2 serves the role of eubacterial initiation factor 1. Proc. Natl. Acad. Sci., USA , 108(10):3918-23, (2011).
26. Sheraba, N.S., Yassin, A.S., and Amin, M.A. High-Throughput Molecular Identification of Staphylococcus spp. Isolated from a Clean Room Facility in an Environmental Monitoring Program. BMC research Notes, 4; 3:278, (2010).
27. Lu, Z., Shaikh, T., Barnard, D., Meng, X., Mohamed, H., Yassin, A., Mannella, C., Agrawal, R., Lu, T. and Wagenknecht, T. Monolithic Microfluidic Mixing-Spraying Devices for Time-Resolved Cryo-EM, Journal of Structural Biology, 168 (3), 388-395, (2009).
28. Yassin, A. and Mankin, A. S. Potential New Antibiotic Sites In the Ribosome Revealed By Deleterious Mutations in RNA of the Large Ribosomal Subunit. Journal of Biological Chemistry 282, 24329-24342, (2007).
29. Yassin, A., Fredrick, K. and Mankin, A. S. Deleterious Mutations in Small Subunit Ribosomal RNA identify Functional Sites and Potential Targets for Antibiotics. Proc. Natl. Acad. Sci., USA 102, 16620-16625, (2005).
30. Polacek, N., Gaynor, M., Yassin, A. and Mankin, A. S. Ribosomal Peptidyl Transferase can withstand Mutations at the Putative Catalytic Nucleotide. Nature 411, 498-501, (2001).

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