Crossref journal-article
American Association for the Advancement of Science (AAAS)
Science (221)
Abstract

Arabidopsis thaliana De-etiolated-1 (AtDET1) is a highly conserved protein, with orthologs in vertebrate and invertebrate organisms. AtDET1 negatively regulates photomorphogenesis, but its biochemical mechanism and function in other species are unknown. We report that human DET1 (hDET1) promotes ubiquitination and degradation of the proto-oncogenic transcription factor c-Jun by assembling a multisubunit ubiquitin ligase containing DNA Damage Binding Protein-1 (DDB1), cullin 4A (CUL4A), Regulator of Cullins-1 (ROC1), and constitutively photomorphogenic-1. Ablation of any subunit by RNA interference stabilized c-Jun and increased c-Jun–activated transcription. These findings characterize a c-Jun ubiquitin ligase and define a specific function for hDET1 in mammalian cells.

Bibliography

Wertz, I. E., O’Rourke, K. M., Zhang, Z., Dornan, D., Arnott, D., Deshaies, R. J., & Dixit, V. M. (2004). Human De-Etiolated-1 Regulates c-Jun by Assembling a CUL4A Ubiquitin Ligase. Science, 303(5662), 1371–1374.

Authors 7
  1. Ingrid E. Wertz (first)
  2. Karen M. O'Rourke (additional)
  3. Zemin Zhang (additional)
  4. David Dornan (additional)
  5. David Arnott (additional)
  6. Raymond J. Deshaies (additional)
  7. Vishva M. Dixit (additional)
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  28. We thank J. Stinson C. Grimaldi and S. Schilbach for assistance with hCOP1 cloning; C. Reed and N. Chiang for generating hCOP1 and hDET1 antibodies; H. Maecker for fluorescence-activated cell sorting analysis assistance; J. Lee for cDNA libraries; S. Palmieri for confocal microscopy expertise A. Waugh for bioinformatics analysis K. Newton for editorial assistance; and G. Cope and members of the Dixit Lab for discussions. R.J.D. was supported in part by NIH grant GM065997 and is an assistant investigator of the Howard Hughes Medical Institute. I.E.W. was supported in part by a Physician Scientist Training Program fellowship from the University of California at Davis.
Dates
Type When
Created 21 years, 6 months ago (Jan. 26, 2004, 8:23 p.m.)
Deposited 1 year, 7 months ago (Jan. 9, 2024, 10:11 p.m.)
Indexed 2 weeks, 1 day ago (Aug. 7, 2025, 4:32 p.m.)
Issued 21 years, 5 months ago (Feb. 27, 2004)
Published 21 years, 5 months ago (Feb. 27, 2004)
Published Print 21 years, 5 months ago (Feb. 27, 2004)
Funders 0

None

@article{Wertz_2004, title={Human De-Etiolated-1 Regulates c-Jun by Assembling a CUL4A Ubiquitin Ligase}, volume={303}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.1093549}, DOI={10.1126/science.1093549}, number={5662}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Wertz, Ingrid E. and O’Rourke, Karen M. and Zhang, Zemin and Dornan, David and Arnott, David and Deshaies, Raymond J. and Dixit, Vishva M.}, year={2004}, month=feb, pages={1371–1374} }