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Harold Dowse

Harold Dowse

Contact Information

(207) 581-2536

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School of Biology and Ecology
5751 Murray Hall 
Orono, ME  04469-5751


Amherst College, BA; New York University, Ph.D.


I am interested in the cardiac pacemaker, specifically the calcium ion channels that underlie its oscillation.  I use genetics molecular biology and electrophysiology to unravel this problem in the Drosophila model system. 

Research Interests

In the Drosophila melanogaster system, I am investigating the intracellular calcium currents underlyling cellular oscillators, most prominently that of the cardiac pacemaker.  This involves looking at not just plasma membrane calcium channels and currents, but at the release and sequestration of calcium at the level of the sarcoplasmic reticulum and at the sodium/calcium exchanger.  The related oscillator that controls the male fly's mating song has proven informative, and we also are looking at this interesting process.  I use genetic, molecular and pharmacological tools in this investigation.

Selected Publications

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Our Programs

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Our programs include 5 tracks and more than 10 research areas.
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UMaine The Jackson Laboratory Maine Medical Center Research Institute The Mount Desert Island Biological Laboratory University of Southern Maine University of New England
For more information about the program, please contact:
Laura Hall, GSBSE Administrative Assistant • 207-581-4654 •