Xiangyu Deng Assistant Professor Center for Food Safety
Contact Information xdeng@uga.edu 770-233-5495

Overview of Research Program

Genomics and molecular biology of foodborne pathogens

Pathogen subtyping and genomic epidemiology


Microbial phylogenetics and evolution

Food microbiology



Zhang H, Qi Y, Wang L, Zhang S, Deng X. 2017. Salmonella survival during thermal dehydration of fresh garlic and storage of dehydrated garlic products. Int J Food Microbiol. 263:26-31. doi: 10.1016/j.ijfoodmicro.2017.10.010

Wang W, Zhou X, Suo Y, Deng X, Cheng M, Shi C, Shi X. 2017. Prevalence, serotype diversity, biofilm-forming ability and eradication of Listeria monocytogenes isolated from diverse foods in Shanghai, China. Food Control 73:1068-1073

Katz LS, Griswold T, Williams-Newkirk AJ, Wagner D, Petkau A, Sieffert C, Domselaar GV, Deng X, Carleton HA. 2017. A comparative analysis of the Lyve-SET phylogenomics pipeline for genomic epidemiology for foodborne pathogens. Frontiers in Microbiology doi:10.3389/fmicb.2017.00375

Hyeon JY, Deng X. 2017. Rapid detection of Salmonella in raw chicken breast using real-time PCR combined with immunomagnetic separation and whole genome amplification. Food Microbiol. 2017 May;63:111-116.

Deng, X., H.C. den Bakker, and R.S. Hendriksen. 2016. Genomic epidemiology: whole-genome-sequencing-powered surveillance and outbreak investigation of foodborne bacterial pathogens. Annu. Rev. Food Sci. Technol. 7:353-374.

Peng, Y., X.Y. Deng, M.A. Harrison, and W.Q. Alali. 2016. Salmonella levels associated with skin of turkey parts. J. Food Prot. 79:801-805.

Deng, X., S. Nikki, E. M. Driebe, C.C. Roe, B. Tolar, E. Trees, P. Keim, W. Zhang, E.G. Dudley, P.I. Fields, and D.M. Engelthaler. 2015. Comparative analysis of subtyping methods against a whole-genome-sequencing standard for Salmonella enterica serotype Enteritidis. J. Clin. Microbiol. 53:212-218.

Doyle, M.P., M.C. Erickson, W. Alali, J. Cannon, X. Deng, Y. Ortega, M.A. Smith, and T. Zhao. 2015. Food industry's current and future role in preventing microbial foodborne illness within the United States. Clin. Infect. Dis. 61:252-259.

Zhang, S.K., Y.L. Yin, M.B. Jones, Z.Z. Zhang, B.L.D. Kaiser, B.A. Dinsmore, C. Fitzgerald, P.I. Fields, and X.Y. Deng. 2015. Salmonella serotype determinination using high-throughput genome sequencing data.  J. Clin. Microbiol. 53:1685-1692.

Deng, X.Y., N. Shariat, E.M. Driebe, C.C. Roe, B. Tolar, E. Trees, P. Keim, W. Zhang, E.G. Dudley, P.I. Fields,and D.M. Engelthaler. 2014. Comparative analysis of subtyping methods against a whole-genome-sequencing standard for Salmonella enterica serotype Enteritidis.  J. Clin. Microbiol. 53:212-218.

Deng, X.Y., P.T. Desai, H.C. den Bakker, M. Mikoleit, B. Tolar, E. Trees, R.S. Hendriksen, J.G. Frye, S. Porwollik, B.C. Weimer,m M. Wiedmann, G.M. Weinstock, P.I. Fields, and M. McClelland. 2014. Genomic epidemiology of Salmonella enterica serotype Enteritidis based on population structure of prevalent lineages. Emerg. Infect. Dis. 20:1481-1489.

Deng, X, J.K. Salazar, S. Frezet, D. MacCannell, E.M. Ribot, P.I. Fields, W.F. Fricke, and W. Zhang. 2013. Genome sequence of Salmonella enterica CDC07-0191, implicated in the 2006-2007 multistate food-borne outbreak linked to peanut butter in the United States. Genome Announcements 1(3): e00260-13.

Deng, X., K.J. Allen, and W. Zhang. 2012. Pathogen identification using high-density microarrays. In: Encyclopedia of Biotechnology in Agriculture and Food. CRC Press.

Deng, X., X. Li. and W. Zhang. 2012. Transcriptome sequencing of Salmonella enterica serovar Enteritidis under desiccation and starvation stress in peanut oil. Food Microbiol. 30:311-315.

Wen, J., X. Deng, Z. Li, E.G. Dudley, R.C. Anantheswaran, S.J. Knabel, and W. Zhang. 2011. Transcriptomic response of Listeria monocytogenes during transition to long-survival-phase. Appl. Environ. Microbiol. 77:5966-5972.

Deng, X., A.M. Phillippy, Z. Li, S.L. Salzberg, and W. Zhang. 2010. Probing the pan-genome of Listeria monocytogenes: New insights into intraspecific niche expansion and genomic diversification. BMC Genomics 11:500.

White Papers on a range of food safety topics