Faculty & Staff Directory

Contact Info

EMail: jmeng@umd.edu

Mailing Address: Nutrition & Food Science (NFSC) 0112 Skinner Building University of Maryland College Park, MD 20742-7521
Phone: 301 405-1399 Alternate: 301 405-7976 Fax: 301 314-3313

Dr. Jianghong Meng
Professor
Nutrition & Food Science (NFSC)
Professor & Director
Joint Institute for Food Safety & Applied Nutrition (JIFSAN)

Education:

Ph.D. in Comparative Pathology. University of California, Davis

MPVM Master of Preventive Veterinary Medicine. University of California, Davis

DVM. Sichuan Agricultural University, China

Principal Academic Responsibilities:

NFSC 112: Food Science and Technology, Team Member
NFSC 430: Food Microbiology
NSFC 434: Food Microbiology Laboratory
NFSC 631: Advanced Food Microbiology

Research Interests: Our research focuses on food safety microbiology. We are interested in molecular identification, antimicrobial resistance, and pathogenicity of major foodborne pathogens, including Shiga toxin-producing Echerichia coli, Campylobacter, Salmonella, and Listeria monocytogenes.

Representative Publications:

Yang, B., J. Zheng, E. Brown, S. Zhao, and J. Meng. 2009. Characterization of antimicrobial resistance associated integrons and mismatch-repair mutation in Salmonella serovars. Intl J. Antimicrobial Agents. 33:120-124.
Bhagwat, A.A., W. Jun, L. Liu, P. Kannan, B. D. Tall, M.H. Kothary, K.C. Gross, S. Angle, J. Meng, and A. Smith. 2009. Osmoregulated periplasmic glucans of Salmonella enterica serovar Typhimurium are required for optimal virulence in mice. Microbiology. 155: 229-237.
Zheng, J., S. Cui, S. Zhao, and J. Meng. 2009. Effect of transcriptional activators RamA and SoxS on expression of multidrug efflux pumps AcrAB and AcrF in fluoroquinolone-resistant Salmonella Typhimurium. J Antimicrob Chemother. 63: 95-102
Xia, X., S. Zhao, A. Smith, J. McEvoy, J. Meng, and A.A. Bhagwat. 2009. Characterization of Salmonella isolates from retail foods based on serotyping, PFGE, antibiotic resistance, inducible acid-tolerance, biofilm formation and Caco-2 cell infectivity. Intl. J. Food Microbiol. 129: 93-98
Huang, Z., K. Zhang, J. Meng, D. Chen. 2008. Effect of siRNA targeted against MKK4 on myostatin-induced downregulation of differentiation marker gene expression. Mol Cell Biochem. 310:241-4.
Zheng, J., J. Meng, S. Zhao, R. Sighn, and W. Song. 2008. Campylobacter-induced polarized secretion of IL-8 in human intestinal epithelial cells requires Campylobacter-secreted CDT and TLR-induced activation of NF-kB. Infect. Immun. 76:4498-4508.
Zheng, J., S. Cui, L. Teel, S. Zhao, R. Singh, A. O’Brien and J. Meng. 2008. Identification and characterization of Shiga toxin 2 variants in Escherichia coli isolated from animals, food and humans. Appl. Environ. Microbil. 74: 5645–5652.
Xi, M., J. Zheng, S. Zhao, E. W. Brown, and J. Meng. 2008. An enhanced discriminatory PFGE scheme for subtyping Salmonella serotypes Heidelberg, Kentucky, SaintPaul, and Hadar. J. Food Prot. 71:2067:2072.
Zheng, J., C.E. Keys, S. Zhao, J. Meng, and E. W. Brown. 2007. Enhanced subtyping scheme for Salmonella Enteritidis. Emerging Infect. Dis. 13:1932-1935.
Chen, S., S. Cui, P. F. McDermott, S. Zhao, D. G. White, I. Paulsen, and J. Meng. 2007. Contribution of target gene mutations and efflux to decreased susceptibility in Salmonella Typhimurium to fluoroquinolones and other antimicrobials. Antimicrob. Agents Chemother. 51:535-542.
Zhang, Y., E. Yeh, Y. Shen, G. Hall, J. Cripe, A. Bhagwatc, J. Meng. 2007. Characterization of Listeria monocytogenes isolated from retail food. Intl. J. Food Microbiol. 113:47-53.
Luther, M., J. Perry, J. Moore, J. Meng, Y. Zhang, Z. Cheng, and L. Yu,. 2007. Inhibitory Effect of Chardonnay Grape and Black Raspberry Seed Flour Extract on Lipid Peroxidation in Fish Oil, and Their Radical Scavenging and Antimicrobial Properties. Food Chemistry. 104:1065-1073.
Huang, Z., D. Chen, K. Zhang, B. Yu, and J. Meng. 2007. Regulation of myostatin signaling by c-Jun N-terminal kinase in C2C12 cells. Signal Transduction. 19:2286-95.
Ge, B., P. Jiang, F. Han, N. Saleh, N. Dhiman, D. P. Fedorko, N. A. Nelson, and J. Meng. 2007. Identification and antimicrobial susceptibility of lactic acid bacteria from retail fermented foods. J. Food Prot. 70:2606-2612.
Meng, J., Doyle, M.P., T. Zhao, and S. Zhao. 2007. Enterohemorrhagic Escherichia coli. In: Food Microbiology - Fundamentals and Frontiers, (M.P. Doyle and L.R. Beuchat eds., 3rd edition). American Society for Microbiology, Washington, D.C.
Schroeder, C. M. and J. Meng. 2007. Echerichia coli. In. Foodborne Diseases, (S. Simjee, ed). Humana Press, Totowa, NJ.
Ge, B., W. Girard, S. Zhao, J. Meng. 2006. Genotyping of Campylobacter app. From retail meats using ribotyping and pulsed-filed gel electrophoresis. J. Appl. Microbiol. 100:175-184.
Zheng, J., J. Meng, S. Zhao, R. Singh, W. Song. 2006. Adherence and invasion of Campylobacter jejuni/coli isolated from retail meat products to human intestinal epithelial cells. J. Food Prot. 69:768-774.
Cui, S., J. Zheng, and J. Meng. 2006. An Improved Method for Rapid Isolation of Salmonella from Chicken Carcasses. Journal of Food Safety. 26:49-61.
Shen, Y., Y. Liu, Y. Zhang, J. Cripe1, W. Conway, J. Meng, G. Hall1, and A.A. Bhagwat. 2006. Isolation and characterization of Listeria monocytogenes isolates from ready-to-eat foods in Florida. Appl. Environ. Microbil. 72: 5073-5076.
Simjee, S., Y. Zhang, P. F. McDermott, S. M. Donabedian, M.J. Zervos, and J. Meng. 2006. Heterogeneity of vat(E) carrying plasmids in Enterococcus faecium recovered from human and animal sources. Intl. J. of Antimicrob. Agents. 28:200-205.
Chen, S., S. Zhao, D. G. White, P. F. McDermott, S. Ayers, J. Meng. 2005. A DNA Microarray for Identification of Virulence and Antimicrobial Resistance Genes in Salmonella serovars and Escherichia coli. Mol. Cellular Probe. 19:195-201.
Zhao, S, J.J. Maurer, S. Hubert, J.F. De Villena, P.F. McDermott, J. Meng, S. Ayers, L. English, D.G. White. 2005. Fluoroquinolone resistance of Escherichia coli from diseased chicken in North Georgia. Vet. Microbiol. 107:215-224.
Cui, S., B. Ge, J. Zheng, J. Meng. 2005. Prevalence and characterization of Campylobacter spp and Salmonella serovars in retail organic chickens of Maryland. Appl. Environ. Microbil. 71: 4108-4111.
Ge, B., P. McDermott, D.G. White, and J. Meng. 2005. The role of efflux pumps and gyrase A gene mutation on fluoroquinolone resistance in Campylobacter jejuni/coli. Antimicrob Agents Chemother. 49:3347-3354.
Singh, R., C. M. Schroeder, J. Meng, D. G. White, H. Yang, P.F. McDermott, D. Wagner, S. Simjee, C. DebRoy, R.D.Walker, and S. Zhao. 2005. Detection and characterization of antimicrobial resistance and class I integron in Shiga toxin-producing Escherichia coli recovered from humans and food animals. J Antimicrob Chemother. 56:216-219.
Li, F., C. Zhao, W. Zhang, S. Cui, J. Meng, J. Wu, D. Y. Zhang. 2005. Use of ramification amplification assay for detection of Escherichia coli O157:H7 and other E. coli Shiga toxin-producing strains. J. Clin. Microbil. 43:6086-6090.
McDermott, P. F., S. M. Bodeis-Jones, T. R. Fritsche, R. N. Jones, R. D. Walker, and The Campylobacter Susceptibility Testing Group. 2005. Broth microdilution susceptibility testing of Campylobacter jejuni and the determination of quality control ranges for fourteen antimicrobial agents. J. Clin. Microbiol. 43:6136-6138.
Chen, S., S. Zhao, D. G. White, C. M. Schroeder, P. F. McDermott, H. Yang, S. Ayers, J. Meng. 2004. Characterization of Multiple-Antimicrobial-Resistant Salmonella serovars Isolated from Retail Meats. Appl. Environ. Microbil. 70: 1-7.
Foley, S.L., S. Simjee, J. Meng, D.G. White, P.F. McDermott, and S. Zhao. 2004. Evaluation of molecular typing methods for Escherichia coli O157:H7 isolates from cattle, food, and humans. J. Food Prot. 67:651-657.
Yang, H., S. Chen, D.G. White, S. Zhao, R. Walker, P. McDermott and J. Meng. 2004. Characterization of Multiple-Antimicrobial-Resistant Escherichia coli Isolated from Chicken and Swine in China. J. Clin. Microbil. 42:3483-3489.
Liming, SH, Y. Zhang, J. Meng, and AA, Bhagwat. 2004. Detection of Listeria monocytogenes in fresh produce using molecular beacon – real-time PCR technology. J. Food Sci. 69:240-245.
White, D.G., S. Zhao, S. Simjee, J. Meng, R.D. Walker, and P.F. McDermott. 2004. Prevalence of antibiotic resistant bacteria in retail foods. In: Pre-harvest and post-harvest food safety: Contemporary issues and future directions, (R.C. Beier, S.D. Pillai, T.D. Philips). Blackwell Press, Ames, IA.
Schroeder, C. M., D. G. White, B. Ge, Y. Zhang, S. Zhao, P. F. McDermott, J. Meng. 2003. Antimicrobial susceptibility of Echerichia coli isolated from retail meats. Intl. J. Food Microbiol. 85:197-202.
Ge, B., W. Girard, D. G. White, P. F. McDermott, S. Zhao, R. D. Walker, and J. Meng. 2003. Antimicrobial-resistant Campylobacter isolated from retail raw meats. Appl. Environ. Microbil. 69:3005-3007.
Cui, S., C. M. Schroeder, D.Y. Zhang, J. Meng. 2003. Rapid Sample Preparation Method for PCR-based Detection of Escherichia coli O157:H7 in Ground Beef. J. Appl. Microbiol. 95:129-134.
Senkel, I.A. Jr., B. Jolbitado, Y. Zhang, D. G.White, S. Ayers, J. Meng. 2003. Isolation and Characterization of Escherichia coli Recovered from Apple Cider and the Cider Production Environment. J. Food Prot. 66:2237–2244.
Schroeder, C.M., C. Zhao, C. DebRoy, J. Torcolini, S. Zhao, D.G. White, D.D. Wagner, R.D. Walker, and J. Meng. 2002. Antimicrobial resistance among Escherichia coli O157 isolated from humans, cattle, swine, and food. Appl. Environ. Microbil. 68:576-581.
Ge, B., C. Larkin, S. Ahn, M. Jolley, M. Nasir, R. Hall, and J. Meng. 2002. Identification of Escherichia coli O157:H7 and other enterohemorrhagic serotypes by strand displacement amplification and fluorescent polarization. Mol. Cellular Probe. 16:85-92.
Ge, B., S Zhao, R. Hall, and J. Meng. 2002. A PCR-ELISA for detecting Shiga toxin-producing Escherichia coli in food. Microbes Infect. 4:285-290.
White, D.G., S. Zhao S, P.F. McDermott, S. Ayers, S. Gaines, S. Friedman, D.D. Wagner, J. Meng, D. Needle, M. Davis, C. DebRoy. 2002. Characterization of antimicrobial resistance among Escherichia coli O111 isolates of animal and human origin. Microb. Drug Resist. 8:139-46.
Simjee, S., D. G. White, D. D. Wagner, J. Meng, S. Qaiyumi, S. Zhao, and P. F. McDermott. 2002. Identification of vat(E) in Enterococcus faecalis Isolates from Retail Poultry and Its Transferability to Enterococcus faecium. Antimicrob Agents Chemother 46:3823-28.
Schroeder, C. M. , J. Meng, S. Zhao, C. DebRoy, J. Torcolini, C. Zhao, P. F. McDermott, D.D. Wagner, R. D. Walker, and D. G. White. 2002. Antimicrobial Resistance of Escherichia coli O26, O103, O111, O128 and O145 from animals and humans. Emerging Infect. Dis. 8:1409-14.
Ge, B., S. Bodies, R.D. Walker, D.G. White, S. Zhao, P. F. McDermott, and J. Meng. 2002. Comparison of Etest and agar dilution for antimicrobial susceptibility testing of Campylobacter isolated from retail meats. J Antimicrob Chemother. 50:487-494.
Simjee S, D.G. White, J Meng, D.D. Wagner, S. Qaiyumi, S. Zhao, J.R. Hayes, and P.F. McDermott. 2002. Prevalence of streptogramin resistance genes among enterococcus isolates recovered from retail meats. J Antimicrob Chemother. 50:877-882.
Zhao, S., D. White, B. Ge, S. Ayers, S. Friedman, L. English, D. Wagner, S. Gains, and J. Meng, 2001. Identification and characterization of integron-mediated antibiotic resistance among Shiga toxin-producing Escherichia coli isolates. Appl. Environ. Microbil. 67:1558-1564.
White, D.G., S. Zhao, R. Sudler, S. Ayers, S. Friedman, S. McDermott, S. Chen, D. Wagner, and J. Meng. 2001. The isolation of antimicrobial-resistant Salmonella from retail ground meat. N. England J. Med. 345:1147-1154.
Cui, S., J. Meng, and A.A. Bhagwat. 2001. Availability of glutamate and arginine during acid-challenge determines cell density-dependent survival phenotype of Escherichia coli. Appl. Environ. Microbil. 67:4914-4918.
Zhao, S., D. G. White, P.F. McDermott, S. Friedman, L. English, S. Ayers, J. Meng, J.J Maurer, R. Holland and R.D. Walker. 2001. Identification and expression of cephamycinase blaCMY genes in Escherichia coli and Salmonella isolated from food animals and ground meats. Antimicrob Agents Chemother. 45:3647-3650.
Zhao, C., B. Ge, J.De Villena, R. Sudler, E. Yeh, S. Zhao, D. G. White, D. Wagner, and J. Meng. 2001. Prevalence of Campylobacter, Escherichia coli and Salmonella in retail chicken, turkey, pork, and beef from the Greater Washington DC Area. Appl. Environ. Microbil. 67:5431-5436.
Meng, J., P. Feng, and M.P. Doyle. 2001. Pathogenic Escherichia coli. In: Compendium of Methods for the Microbiological Examination of Foods, (C. Vanderzant D. Splittstoesser, eds., 4th edition). American Public Health Association, Washington, DC.
Meng, J., Doyle, M.P., T. Zhao, and S. Zhao. 2001. Enterohemorrhagic Escherichia coli. In: Food Microbiology - Fundamentals and Frontiers, (M.P. Doyle, L.R. Beuchat and T.J. Montville, eds., 2nd edition). American Society for Microbiology, Washington, D.C.