Contact: Liz Ahlberg
University of Illinois at Urbana-Champaign
Caption: Illinois physics professor Taekjip Ha and graduate student Jeehae Park used fluorescence resonance energy transfer to study how an important DNA enzyme regulates damages sections of DNA. The red and green fluorescent dyes allow them to track a single enzyme's activity.
Credit: L. Brian Stauffer
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Related news release: Researchers advance understanding of enzyme that regulates DNA