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Selected Publications

2025

  • Yukta P. Gharat, Ahmed G. Abdelhamid, Ahmed E. Yousef (2025). Enhancing the destruction of Burkholderia cepacia biofilm on stainless steel coupons by combining matrix-degrading enzymes with antimicrobials. Frontiers in Cellular and Infection Microbiology, 10.3389. 1.    

  • Abdelhamid, A.G., Ali, M.G., Ahmer, B.M. and Yousef, A.E. (2025). Sublethal shell egg processing increases virulence of Salmonella enterica serovar Enteritidis in C57BL/6 mice. Food Bioscience, p.106883.

  • ·Mostafa G. Ali, Ahmed G. Abdelhamid, Ahmed E. Yousef (2025). How colonizing alfalfa sprouts modulates the virulence of Shiga toxin-producing Escherichia coli. International Journal of Food Microbiology, 428, 110972. 

  • Achenef Melaku Beyene, Seleshe Nigatu, Juan C. Archila-Godinez, Kebede Amenu, Barbara Kowalcyk, Desalegne Degefaw, Binyam Mogess, Baye Gelaw, Mucheye Gizachew, Araya Mengistu, Ahmed G. Abdelhamid, James Barkley, Ahmed Yousef (2025). The Impact of Training Intervention on Levels of Indicator Bacteria and Prevalence of Selected Pathogens in Raw Milk from Smallholder Women Dairy Farmers in Central Ethiopia, Journal of Food Protection, Volume 88, Issue 2, 100446. 

2024

  • Gephart GJ, Abdelhamid AG, Yousef AE (2024). Comparative genomics and phenotypic assessment of lactic acid bacteria isolated from artisanal cheese as potential starter cultures. LWT. 2024 Oct 15; 210:116849.

  • Gephart GJ, Abdelhamid AG, Yousef AE (2024). Genome sequences of six lactic acid bacteria from artisanal cheese reveal biosynthetic gene clusters encoding antimicrobial compounds. Microbiology Resource Announcements 13:e00709-24.

  • Abdelhamid AG, Wick M, Yousef AE. Production of polyclonal antibodies and development of competitive ELISA for quantification of the lantibiotic paenibacillin. Fermentation, 2024; 10(5):232.

  • Ahmed G. Abdelhamid; Ahmed E. Yousef (2024). Untargeted metabolomics unveiled the role of butanoate metabolism in the development of Pseudomonas aeruginosa hypoxic biofilm. Frontiers in Cellular and Infection Microbiology, 14:1346813.

2023

  • Ahmed G. Abdelhamid; Ahmed E. Yousef (2023). Egg-associated Salmonella enterica serovar Enteritidis: Comparative genomics unveils phylogenetic links, virulence potential, and antimicrobial resistance traits. Frontiers in Microbiology, 14: 1278821 

  • Ahmed G. Abdelhamid; Ahmed E. Yousef (2023). Combating bacterial biofilms: Current and emerging antibiofilm strategies for treating persistent infections. Antibiotics, 12, 1005. 

  • Goksel Tirpanci Sivri, Ahmed G. Abdelhamid, David R. Kasler, and Ahmed E. Yousef (2023). Removal of Pseudomonas fluorescens biofilms from pilot-scale food processing equipment using ozone-assisted Cleaning-in-Place. Frontiers in Microbiology, 14: 1141907.

2022

  • Yumin Xu, Ahmed G. Abdelhamid, Anice Sabag-Daigle, Brian M.M. Ahmer, Ahmed E. Yousef (2022). Heating rate during shell egg thermal treatment elicits stress responses and alters virulence of Salmonella enterica serovar Enteritidis, implications for shell egg pasteurization. Applied and Environmental Microbiology, 88:e01140-22. 

  • Ahmed G. Abdelhamid, Julia N. Faraone, John P. Evans, Shan-Lu Liu, and Ahmed E. Yousef (2022). SARS-CoV-2 and emerging foodborne pathogens: Intriguing commonalities and obvious differences. Pathogens 11, no. 8: 837. 

  • Ahmed G. Abdelhamid, Emily Campbell, Zach Hawkins, Ahmed E. Yousef (2022). Efficient production of broad-spectrum antimicrobials by Paenibacillus polymyxa OSY-EC using acid whey-based medium and novel antimicrobial concentration approach. Frontiers in Bioengineering and Biotechnology, 2022, 10: 869778.  

  • Yumin Xu, Ahmed G. Abdelhamid, Anice Sabag-Daigle, Michael G. Sovic, Brian Ahmer, and Ahmed E. Yousef, (2022). The role of egg yolk in modulating the virulence of Salmonella enterica serovar Enteritidis. Frontiers in Cellular and Infection Microbiology, 572. 

  • Abdelhamid, A.G., Yousef, A.E. 2022. Carvacrol and Thymol Combat Desiccation Resistance Mechanisms in Salmonella enterica Serovar Tennessee. Microorganisms 2022, 10, 44.

2021

  • Yue Yi, Ahmed G. Abdelhamid, Yumin Xu, Ahmed E. Yousef. (2021). Characterization of broad-host lytic Salmonella phages isolated from livestock farms and application against Salmonella Enteritidis in liquid whole egg, LWT, 111269. 

  • Abdelhamid, Ahmed G., and Noha K. El-Dougdoug (2021). Comparative genomics of the gut commensal Bifidobacterium bifidum reveals adaptation to carbohydrate utilization. Biochemical and Biophysical Research Communications 547: 155-161. 

  • Abdelhamid AG, Yousef AE. (2021). Natural antimicrobials suitable for combating desiccation-resistant Salmonella enterica in milk powder. Microorganisms; 9(2):421.

  • Abdelhamid AG, Xu Y, Yousef AE. (2021). Draft genome sequence of Salmonella enterica subsp. enterica serovar Livingstone 1236H, a desiccation-resistant strain that poses a salmonellosis hazard in low-moisture foods. Microbiology Resource Announcements 9:e01197-20.

2020

  • Abdelhamid, Ahmed G., and Ahmed E. Yousef (2020). Collateral adaptive responses induced by desiccation stress in Salmonella enterica. LWT 133: 110089. 

  • Walaa E. Hussein and Ahmed G. Abdelhamid, Diana Rocha-Mendoza, Israel García-Cano, and Ahmed E. Yousef (2020). Assessment of safety and probiotic traits of Enterococcus durans OSY-EGY, isolated from artisanal cheese, using comparative and phenotypic analyses. Frontiers in Microbiology, 11: 608314. 

  • Abdelhamid, Ahmed G., and Noha K. El-Dougdoug. Controlling foodborne pathogens with natural antimicrobials by biological control and antivirulence strategies. Heliyon 6.9 (2020): e05020. 

  • Yi, Yue, Ahmed G. Abdelhamid, Yumin Xu, and Ahmed E. Yousef (2020). Draft Genome Sequence of the Lytic Salmonella Phage OSY-STA, Which Infects Multiple Salmonella Serovars. Microbiology Resource Announcements 9, no. 35.

2019

  • Ahmed G. Abdelhamid, Samar S. El-Masry, Noha K. El-Dougdoug (2019). Probiotic Lactobacillus and Bifidobacterium strains possess safety characteristics, antiviral activities and host adherence factors revealed by genome mining. EPMA Journal, 10: pp 337–350. 

  • Abdelhamid, Ahmed G., and Ahmed E. Yousef (2019). The microbial lipopeptide paenibacterin disrupts desiccation resistance in Salmonella enterica serovars Tennessee and Eimsbuettel. Applied and environmental microbiology; AEM-00739. 

  • N. K. El-Dougdoug, S. Cucic, Ahmed G. Abdelhamid, L. Brovko, A. M. Kropinski, M. Griffiths, and H. Anany (2019). Control of Salmonella Newport on cherry tomato using a cocktail of lytic bacteriophages. International Journal of Food Microbiology, 293: 60

  • Ahmed E. Yousef and Ahmed G. Abdelhamid (2019). Behavior of Microorganisms in Food: Growth, Survival, and Death, p 3-21. In Doyle M, Diez-Gonzalez F, Hill C (ed), Food Microbiology: Fundamentals and Frontiers, 5th Edition. ASM Press, Washington, DC.

Contact
Information

Michigan State University 

Department of Food Science and Human Nutrition

Malcolm G. Trout FSHN Building

469 Wilson Rd.

East Lansing, MI 48824

For research-related matters, please contact Dr. Abdelhamid at abdelh30@msu.edu or 614-369-9006.

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For general lab questions, please contact our research assistant Ruth Giblin at giblinru@msu.edu.

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