Article (Scientific journals)
An intrinsically disordered region-mediated confinement state contributes to the dynamics and function of transcription factors.
Garcia, David A; Johnson, Thomas A; Presman, Diego M et al.
2021In Molecular Cell, 81 (7), p. 1484 - 1498.e6
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Keywords :
GRdim; GRmon; PPAR; bi-exponential; chromatin binding; confinement; glucocorticoid receptor; intrinsically disordered regions; power-law; single-molecule; transcription dynamics; Intrinsically Disordered Proteins; Receptors, Glucocorticoid; Transcription Factors; Animals; Female; Intrinsically Disordered Proteins/chemistry; Intrinsically Disordered Proteins/genetics; Intrinsically Disordered Proteins/metabolism; Mice; Rats; Receptors, Glucocorticoid/chemistry; Receptors, Glucocorticoid/genetics; Receptors, Glucocorticoid/metabolism; Transcription Factors/chemistry; Transcription Factors/genetics; Transcription Factors/metabolism; Molecular Biology; Cell Biology
Abstract :
[en] Transcription factors (TFs) regulate gene expression by binding to specific consensus motifs within the local chromatin context. The mechanisms by which TFs navigate the nuclear environment as they search for binding sites remain unclear. Here, we used single-molecule tracking and machine-learning-based classification to directly measure the nuclear mobility of the glucocorticoid receptor (GR) in live cells. We revealed two distinct and dynamic low-mobility populations. One accounts for specific binding to chromatin, while the other represents a confinement state that requires an intrinsically disordered region (IDR), implicated in liquid-liquid condensate subdomains. Further analysis showed that the dwell times of both subpopulations follow a power-law distribution, consistent with a broad distribution of affinities on the GR cistrome and interactome. Together, our data link IDRs with a confinement state that is functionally distinct from specific chromatin binding and modulates the transcriptional output by increasing the local concentration of TFs at specific sites.
Disciplines :
Biochemistry, biophysics & molecular biology
Author, co-author :
Garcia, David A;  Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20893, USA, Department of Physics, University of Maryland, College Park, MD 20742, USA
Johnson, Thomas A ;  Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20893, USA
Presman, Diego M ;  Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), CONICET-Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, C1428EGA Buenos Aires, Argentina
Fettweis, Grégory  ;  Université de Liège - ULiège > Département des sciences de la vie > Génétique et biologie moléculaires animales ; Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20893, USA
Wagh, Kaustubh ;  Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20893, USA, Department of Physics, University of Maryland, College Park, MD 20742, USA
Rinaldi, Lorenzo;  Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20893, USA
Stavreva, Diana A;  Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20893, USA
Paakinaho, Ville;  Institute of Biomedicine, University of Eastern Finland, Kuopio, P.O. Box 1627, 70211 Kuopio, Finland
Jensen, Rikke A M ;  Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20893, USA, Department of Biochemistry and Molecular Biology, University of Southern Denmark, Odense, Denmark
Mandrup, Susanne ;  Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742, USA
Upadhyaya, Arpita;  Department of Physics, University of Maryland, College Park, MD 20742, USA, Institute for Physical Science and Technology, University of Maryland, College Park, MD 20742, USA. Electronic address: arpitau@umd.edu
Hager, Gordon L;  Laboratory of Receptor Biology and Gene Expression, National Cancer Institute, National Institutes of Health, Bethesda, MD 20893, USA. Electronic address: hagerg@exchange.nih.gov
Language :
English
Title :
An intrinsically disordered region-mediated confinement state contributes to the dynamics and function of transcription factors.
Publication date :
01 April 2021
Journal title :
Molecular Cell
ISSN :
1097-2765
eISSN :
1097-4164
Publisher :
Cell Press, United States
Volume :
81
Issue :
7
Pages :
1484 - 1498.e6
Peer reviewed :
Peer Reviewed verified by ORBi
Funding text :
We thank Tatiana Karpova and David Ball from the Optical Microscopy Core at the NCI, NIH for assistance in imaging and data processing. We thank Luke Lavis (Janelia Research Campus) for providing HALO dyes. This research was supported (in part) by the Intramural Research Program of the NIH , National Cancer Institute , Center for Cancer Research . D.M.P. was supported by CONICET . V.P. was supported by the Academy of Finland , the Cancer Foundation Finland , and the Sigrid Jusélius Foundation . R.A.M.J. was supported by the Vissing Foundation , the William Demant Foundation , the Knud Højgaard Foundation , the Frimodt-Heineke Foundation , the Director Ib Henriksen Foundation , and the Ove and Edith Buhl Olesen Memorial Foundation . S.M. acknowledges support from the Danish Independent Research Council | Natural Sciences . A.U. acknowledges support from the NCI-UMD Cancer Technology Partnership and the awards NSF PHY 1607645 and NSF PHY 1806903 .
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