Dr. Joseph Zackular

Assistant Professor

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Biography

The Zackular laboratory focuses on understanding interactions between the host, gut microbiota, and pathogens that impact human health and disease. The lab's efforts center primarily on the nosocomial pathogen Clostridioides difficile, which is considered an urgent global public health threat. Dr. Zackular's lab investigates how gut microbiota shapes C. difficile's fitness and virulence, studying the complex microbial communities that alter host responses to infection. Recent research has focused on elucidating the cooperative interactions between C. difficile and other pathogens, including enterococci. By leveraging the knowledge gained from studying polymicrobial interactions and microbial ecology in infections, the Zackular lab is developing novel vaccine strategies for the prevention of C. difficile infections using microbiome-based therapies. Additionally, Dr. Zackular serves as co-director of the Center for Microbial Medicine at Children’s Hospital of Philadelphia, where the focus is on implementing microbiome-based medicine for pediatric patients, emphasizing precision pathogen surveillance for infection prevention and control to provide improved personalized treatments for infections.

Research Interests

Requirements for University of Pennsylvania

Doctorate Program
Requirements
GPA Requirement
Required:3.6
GRE General
Verbal
Required:162
Quantitative
Required:162
Overall
Required:162
GMAT
Total Score
Required:728
Overall
Required:728
TOEFL
Total
Required:115
Prerequisites
Bachelor's degree or equivalent Strong quantitative background
Application Checklist
  • Academic Transcripts
  • Letters of Recommendation (2-3)
  • Resume/CV
  • Statement of Purpose
  • Essays
Specialization Notes

Wharton Doctoral programs cover fields like Finance, Marketing, Management, and Operations, Information and Decisions.