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Tracy Johnson is a professor in the Department of Molecular, Cell, and Developmental Biology at the University of California, Los Angeles. Her research focuses on the regulation of gene expression and the complex mechanisms that underpin cellular responses to environmental changes. The Johnson lab investigates how eukaryotic genes, which often consist of long noncoding sequences called introns, are functionally regulated through splicing events orchestrated by the spliceosome—a dynamic assembly of small nuclear RNAs and proteins. Johnson's work aims to elucidate the molecular details of spliceosome rearrangements and their role in recognizing splicing signals during transcription. With a firm interest in how these processes are affected by chromatin modifications and RNA processing, her research has significant implications for understanding the genetics behind diseases caused by splicing defects. She has published numerous articles in high-impact journals, contributing to vital conversations in the field of molecular and cellular biology.
Department of Economics admits primarily for the PhD program.