Dr. Oscar Aparicio

Professor

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Biography

Oscar Aparicio is a Professor in the Department of Biological Sciences at the University of Southern California. His research focuses on the mechanisms of cell cycle checkpoint regulation and chromosomal DNA replication using the model organism Saccharomyces cerevisiae, commonly known as Baker’s yeast. His lab employs a variety of approaches, including cell biological, molecular, biochemical, genetic, and genomic techniques, to explore the dynamics of genomic structures and the roles of specific proteins in these processes. Over his career, Aparicio has contributed significantly to the understanding of DNA replication origins and the regulation of chromatin structure. He completed his PhD in Molecular Genetics & Cell Biology at the University of Chicago and holds a BS in Microbiology from the University of Florida. In addition to his teaching and research duties, he has served as Section Head and has participated in various administrative roles within USC. His extensive experience is complemented by his previous postdoctoral research at the Massachusetts Institute of Technology.

Research Interests

Experience

Professor, Section Head

2018-01-01 — 2025-12-31

University of Southern California • Los Angeles, CA

Oversees the biological sciences section and manages departmental activities.

Professor

2012-01-01 — Present

University of Southern California • Los Angeles, CA

Conducts research and teaches in the Department of Biological Sciences.

Associate Professor

2005-01-01 — 2012-12-31

University of Southern California • Los Angeles, CA

Involved in both teaching and research activities.

Assistant Professor

1999-09-01 — 2005-05-01

University of Southern California • Los Angeles, CA

Engaged in teaching and research duties within the department.

Postdoctoral Research Fellow

1994-11-01 — 1999-08-31

Massachusetts Institute of Technology • Cambridge, MA

Conducted research in molecular genetics and related fields.

Congressional Science Fellow

1993-09-01 — 1994-08-31

American Society for Microbiology • Washington, D.C.

Worked on scientific policy and communication.

Requirements for University of Southern California

Master Program
Requirements
GPA Requirement
Required:3
TOEFL
Listening
Required:20
Reading
Required:20
Writing
Required:20
Speaking
Required:20
Total
Required:90
IELTS
Listening
Required:6
Reading
Required:6
Writing
Required:6
Speaking
Required:6
Overall
Required:6.5
GRE General
Prerequisites
Bachelor's degree in Engineering, Math, or Hard Science
Application Checklist
  • Online application
  • Official transcripts
  • Personal Statement
  • Resume/CV
  • Letters of Recommendation (not required for MS CS, but allowed)
Specialization Notes

GRE is NOT required for Master's applicants for 2025-2026.