Department of Population Health, Poultry Diagnostic and Research Center
Assistant Professor

Research Interests

  • Population diversity of Salmonella in domestic food animals
  • Development of molecular diagnostics for foodborne pathogens
  • Antimicrobial resistance

Educational Background

Postdoc (2015), Pennsylvania State University

Postdoc (2011), University of California, San Francisco

PhD (2008), Vanderbilt University

BSc (2002), University of East Anglia, United Kingdom

Selected Publications

  • Thompson CP, Doak A, Schroeder EA, Amirani N, Wright J, Kariyawasam SK, Lamendella R, and Shariat NW. High-resolution identification of multiple Salmonella serovars in a single sample using CRISPR-SeroSeq. Applied and Environmental Microbiology. 2018 Oct 84 (21) e01859-1884 Article selected for issue “Spotlight”
  • Rauch HE, Vosik D, Kariyawasam S, M’kanatha N, and Shariat NW. Prevalence of Group I Salmonella Kentucky in domestic food animals and overlap with human clinical CRISPR sequence types Zoonoses and Public Health. 2018. Jul 16.
  • Vosik D, Tewari, D, Dettinger L, Mikanatha N, and Shariat NW. CRISPR typing and antibiotic resistance correlates with polyphyletic distribution in human isolates of Salmonella Kentucky Foodborne Pathogens and Disease. 2018 15(2):101-108
  • Denagamage TN, Patterson P, Wallner-Pendleton E, Shariat N, Dudley EG, Jayarao BM and Kariyawasam S. Longitudinal monitoring of successive commercial layer flocks for Salmonella enterica serovar Enteritidis. Foodborne Pathogens and Disease. 2016 Nov;13(11):618-625
  • Very KJ, Kirchner MK, Shariat N, Cottrell W, Sandt CH, Dudley EG, Kariyawasam S and Jayarao BM. Prevalence and spatial distrbution of Salmonella infections in the Pennsylvania raccoon (Procyon lotor). Zoonoses and Public Health. 2016 63(3):223-33
  • Ivanov YV, Shariat N, Register KB, Linz B, Rivera I, Hu K, Dudley EG and Harvill ET. A newly discovered Bordetella species carries a transcriptionally active CRISPR-Cas with a small Cas9 endonuclease. BMC Genomics. 2015 16:863
  • Shariat N, Timme R, Pettengill J, Barrangou R and Dudley EG. Characterization and Evolution of Salmonella CRISPR-Cas systems Microbiology. 2015 161:374-386
  • Deng X, Shariat N, Driebe EM, Tolar B, Trees E, Keim P, Zhang W, Dudley EG, Fields PI, and David M. Engelthaler Whole genome sequencing-based benchmarking of subtyping methods for Salmonella enterica serotype Enteritidis Journal of Clinical Microbiology. 2015 53(1):212-8
  • Shariat N and Dudley EG. CRISPRs: Molecular Signatures used for Pathogen Subtyping. Applied and Environmental Microbiology. 2014. 80(2) 430-439
  • Shariat N, Sandt CH, DiMarzio MJ, Barrangou R and Dudley EG. CRISPR-MVLST subtyping of Salmonella enterica subsp. enterica serovars Typhimurium and Heidelberg and application in identifying outbreak isolates. BMC Microbiology. 2013 13:254
  • Shariat N and Dudley EG. Where are we heading with Salmonella molecular subtyping? Future Microbiology. 2013. 8(10) 1231-1233
  • DiMarzio MJ, Shariat N, Kariyawasam S and Dudley EG. CRISPR-MVLST identifies populations of S. Typhimurium with differences in distribution and antibiotic resistance. Antimicrobial Agents and Chemotherapy. 2013. 57(9):4282-4289
  • Shariat N, Kirchner MA, Sandt CH, Barrangou R and Dudley EG. Application of CRISPR- MVLST to distinguish Salmonella Newport outbreak isolates in the United States. Journal of Clinical Microbiology. 2013. 51(7):2328-36
  • Shariat N, DiMarzio MJ, Yin S, Dettinger L, Sandt CH, Lute JR, Barrangou R and Dudley EG. The combination of CRISPR-MVLST and PFGE provides increased discriminatory power for differentiating human clinical isolates of Salmonella enterica subsp. enterica serovar Enteritidis. Food Microbiology. 2013. 34(1):164-173

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