Senp1 Is Essential for Desumoylating Sumo1-Modified Proteins but Dispensable for Sumo2 and Sumo3 Deconjugation in the Mouse Embryo
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چکیده
منابع مشابه
SUMO2 is essential while SUMO3 is dispensable for mouse embryonic development.
Small ubiquitin-like modifier (SUMO1-3) conjugation plays a critical role in embryogenesis. Embryos deficient in the SUMO-conjugating enzyme Ubc9 die at the early postimplantation stage. Sumo1(-/-) mice are viable, as SUMO2/3 can compensate for most SUMO1 functions. To uncover the role of SUMO2/3 in embryogenesis, we generated Sumo2- and Sumo3-null mutant mice. Here, we report that Sumo3(-/-) m...
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15 صفحه اولLoss of SUMO1 in mice affects RanGAP1 localization and formation of PML nuclear bodies, but is not lethal as it can be compensated by SUMO2 or SUMO3.
Conjugation of the small ubiquitin-like modifier (SUMO) to target proteins regulates numerous biological processes and has been implicated in tumorigenesis and metastasis. The three SUMO isoforms in vertebrates, SUMO1 and the highly similar SUMO2 and SUMO3, can be conjugated to unique as well as overlapping subsets of target proteins. Yet, it is still not clear whether roles for each family mem...
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SUMO proteins are ubiquitin-related modifiers implicated in the regulation of gene transcription, cell cycle, DNA repair, and protein localization. The molecular mechanisms by which the sumoylation of target proteins regulates diverse cellular functions remain poorly understood. Here we report isolation and characterization of SUMO1- and SUMO2-binding motifs. Using yeast two-hybrid system, bioi...
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ژورنال
عنوان ژورنال: Cell Reports
سال: 2013
ISSN: 2211-1247
DOI: 10.1016/j.celrep.2013.04.016