Tjian + Darzacq Group -

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Welcome to the Tjian + Darzacq Lab

Our research explores the molecular mechanisms that regulate gene expression and shape genome organization in living cells

Publications

Unstructured transcription factor interactions enable emergent specificity

Abidi, A, C Cattoglio, N Tang, V Fan, G Dailey, A Hay, P Kunamaneni, D Milkie, X Darzacq, E Betzig, R Tjian, and T Graham. 2026. “Unstructured transcription factor interactions enable emergent specificity.” Science.

Short activation domains control chromatin association of transcription factors

Fan, V, A Abidi, T Graham, X Darzacq, and M Staller. 2026. “Short activation domains control chromatin association of transcription factors.” Elife (2026 Jan 9;15:e105776).

FOXA1 mutations co-opt nascent transcription factor networks in partnership with androgen receptor to enhance prostate tumorigenicity

Ladewig, E, A Nazir, T Park, V Fan, Z Cao, J Hawk, L Kelly, R Tjian, C Leslie, and C Sawyers. 2026. “FOXA1 mutations co-opt nascent transcription factor networks in partnership with androgen receptor to enhance prostate tumorigenicity.” Cell Reports, 45(2):116950.

A schematic of transcription regulation of Pol II genes

Mission

Our research is devoted to understanding the molecular mechanisms that regulate gene expression, transcription, and genome organization in living cells.

Our mission is to advance fundamental discoveries in gene regulation while training the next generation of scientists through collaboration, innovation, and rigorous research.