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Faculty and Staff

Qijing Zhang, PhD, BVSc
Title:Associate Professor & Frank K. Ramsey Chair
Department:Veterinary Microbiology & Preventive Medicine
Organization: Iowa State University
College of Veterinary Medicine
Veterinary Microbiology and Preventive Medicine
Address:1116 College of Veterinary Medicine
Ames, IA 50011
Phone:515-294-2038
Fax:515-294-8500
E-mail:zhang123@iastate.edu
Web Site:http://www.vetmed.iastate.e
du/Faculty_staff/Profiles/z
hang123.asp
Emphases:Food Safety (Pre-Harvest)

Major areas of expertise include bacteriology, molecular biology, antibiotic resistance, and pathogenic mechanisms of microbial infections. Primary interest is on food-born human pathogens of animal origin. His laboratory is using fundamental and contemporary approaches to study the ecology of Campylobacter jejuni in animal reservoirs, elucidate the mechanisms for the development, persistence, and transfer of antibiotic resistance, examine the molecular basis of pathogen-host interactions, and develop approaches to control infectious diseases.

Publications
Effect of Conventional and Organic Production Practices on the Prevalence and Antimicrobial Resistance of Campylobacter spp. in Poultry
Bile Salts Modulate Expression of the CmeABC Multidrug Efflux Pump in Campylobacter jejuni
Molecular Typing of Campylobacter Strains Using the cmp Gene Encoding the Major Outer Membrance Protein
CmeR Functions as a Transcriptional Repressor for the Multidrug Efflux Pump CmeABC in Campylobacter jejuni
The Campylobacter jejuni Response Regulator, CbrR, Modulates Sodium Deoxycholate Resistance and Chicken Colonization
Enhanced in vivo Fitness of Flouroquinolone-resistant Campylobacter jejuni in the Absence of Antibiotic Selection Pressure
Molecular typing of Campylobacter strains using the cmp gene encoding the major outer membrane protein
CmeR functions as a transcriptional repressor for the multidrug efflulx pump CmeABC in Campylobacter jejuni
Enhanced in vivo fitness of fluroquinolone-resistant Campylobacter jejuni in the absence of antibiotic selection pressure
Fluoroquinolone-resistant Campylobacter in animal reservoirs: Dynamics of development, resistance mechanisms and ecological fitness
Critical role of multidrug efflux pump CmeABC in bile resistance and in vivo colonization of Campylobacter jejuni
In vivo selection of Campylobacter isolates with high level of fluoroquinolone resistance associated with gyrA mutations and the function of the CmeABC efflux pump
Effects of Campylobacter-specific maternal antibodies on the colonization of young chickens by Campylobacter jejuni


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  Food Safety Consortium · Iowa State University · Ames, Iowa 50011 · USA · E-mail: foodsafety@iastate.edu