Research Interests

I use molecular genetic and biochemical approaches in the study of light signaling in Arabidopsis, a model organism for plant molecular genetic studies. Our early studies involved the characterization of DNA sequences and DNA binding proteins involved in light regulated gene expression. Recent studies have concerned the characterization of a blue light photoreceptor cryptochrome that mediates plant growth and development in response to light. Cryptochromes have also been described for animals, including humans where, as in plants, they play an important role in circadian behavioral oscillations.

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Section 25: Plant Biology