Peter Barr-Gillespie, Ph.D., Professor

Peter Barr-Gillespie

Phone: 503 494-2936
Lab phone: 503 484-2950
Office: MRB 920



, Ph.D., is a Professor with the Oregon Hearing Research Center and an Affiliated Scientist with the Vollum Institute. He has been with OHSU since 1999.


Current appointments:

  • Associate Vice President for Basic Research
  • Professor in the departments of Otolaryngology-Head and Neck Surgery, Cell Biology & Development and Biochemistry & Molecular Biology
  • Senior Scientist, Vollum Institute
  • Previous appointments:
  • Assistant Professor and Associate Professor of Physiology, Johns Hopkins University


  • B.S. degree in chemistry, Reed College
  • Ph.D. degree in pharmacology, University of Washington
  • Postdoctoral work at UCSF, UT Southwestern Medical Center

Research Interests

  • Hair-cell transduction
  • Hair-bundle development

Major Milestones & Significant Discoveries

  • Development of methods for isolation of hair bundles and analysis of constituent proteins and lipids via mass spectrometry 
  • Determination of roles for myosin Ic, myosin VI, and myosin VIIA in adaptation and bundle structure
  • Characterization of the structure, identity, and regeneration of the tip link
  • Description of homeostatic mechanisms used by hair bundle to handle Ca2+ (Ca2+ pump, ATP delivery, H+ transporter)
  • Elucidation of protein expression and localization steps required for assembly of the hair bundle

More about Professor Barr-Gillespie

See Peter Barr-Gillespie's faculty webpage at The Vollum and his publications at PubMed.