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Proceedings Paper

Cloning and characterization of new bioluminescent proteins
Author(s): Christopher Szent-Gyorgyi; Byron T. Ballou; Erich Dagnal; Bruce Bryan
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Paper Abstract

Over the past two years Prolume has undertaken a comprehensive program to clone luciferases and associated 'green fluorescent proteins' (GFPs) from marine animals that use coelenterazine as the luciferin. To data we have cloned several bioluminescent proteins, including two novel copepod luciferases and two anthozoan GFPs. These four proteins have sequences that differ greatly form previously cloned analogous proteins; the sequence diversity apparently is due to independent evolutionary origins and unusual evolutionary constraints. Thus coelenterazine-based bioluminescent systems may also manifest a variety of useful properties. We discuss form this taxonomic perspective the initial biochemical and spectral characterization of our cloned proteins. Emphasis is placed on the anthozoan luciferase-GFP systems, whose efficient resonance energy transfer has elicited much current interest.

Paper Details

Date Published: 2 July 1999
PDF: 8 pages
Proc. SPIE 3600, Biomedical Imaging: Reporters, Dyes, and Instrumentation, (2 July 1999); doi: 10.1117/12.351015
Show Author Affiliations
Christopher Szent-Gyorgyi, Prolume Ltd. (United States)
Byron T. Ballou, Prolume Ltd. (United States)
Erich Dagnal, Prolume Ltd. (United States)
Bruce Bryan, Prolume Ltd. (United States)


Published in SPIE Proceedings Vol. 3600:
Biomedical Imaging: Reporters, Dyes, and Instrumentation
Eva Marie Sevick-Muraca; Darryl J. Bornhop; Christopher H. Contag; Eva Marie Sevick-Muraca, Editor(s)

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