Open AccessRfu1: Stimulus for the Ubiquitin Economy
Author(s) -
Dieter A Wolf,
Matthew D. Petroski
Publication year - 2009
Publication title -
cell
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 26.304
H-Index - 776
eISSN - 1097-4172
pISSN - 0092-8674
DOI - 10.1016/j.cell.2009.04.032
Subject(s) - biology , ubiquitin , stimulus (psychology) , microbiology and biotechnology , genetics , cognitive psychology , gene , psychology
During cellular stress, monoubiquitin is in demand due to the accumulation of misfolded proteins that require proteasomal degradation. Kimura et al. (2009) now show in yeast that monoubiquitin levels are bolstered during stress conditions by downregulation of the protein Rfu1, an inhibitor of the deubiquitinating enzyme Doa4.
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