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Tudor staphylococca...
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Elander, PernillaSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för Molekylära vetenskaper,Department of Molecular Sciences
(author)
Tudor staphylococcal nuclease is a docking platform for stress granule components and is essential for SnRK1 activation in Arabidopsis
- Article/chapterEnglish2021
Publisher, publication year, extent ...
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2021-07-21
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EMBO,2021
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,2024
Numbers
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LIBRIS-ID:oai:slubar.slu.se:113227
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https://res.slu.se/id/publ/113227URI
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https://doi.org/10.15252/embj.2020105043DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Tudor staphylococcal nuclease (TSN; also known as Tudor-SN, p100, or SND1) is a multifunctional, evolutionarily conserved regulator of gene expression, exhibiting cytoprotective activity in animals and plants and oncogenic activity in mammals. During stress, TSN stably associates with stress granules (SGs), in a poorly understood process. Here, we show that in the model plant Arabidopsis thaliana, TSN is an intrinsically disordered protein (IDP) acting as a scaffold for a large pool of other IDPs, enriched for conserved stress granule components as well as novel or plant-specific SG-localized proteins. While approximately 30% of TSN interactors are recruited to stress granules de novo upon stress perception, 70% form a protein-protein interaction network present before the onset of stress. Finally, we demonstrate that TSN and stress granule formation promote heat-induced activation of the evolutionarily conserved energy-sensing SNF1-related protein kinase 1 (SnRK1), the plant orthologue of mammalian AMP-activated protein kinase (AMPK). Our results establish TSN as a docking platform for stress granule proteins, with an important role in stress signalling.
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Dalman, KerstinSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för Molekylära vetenskaper,Department of Molecular Sciences(Swepub:slu)46883
(author)
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Moschou, Panagiotis NikolaouSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för växtbiologi,Department of Plant Biology,Foundation for Research and Technology - Hellas (FORTH),University of Crete(Swepub:slu)47086
(author)
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Bozhkov, PeterSwedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för växtbiologi,Department of Plant Biology(Swepub:slu)49725
(author)
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Sveriges lantbruksuniversitetInstitutionen för Molekylära vetenskaper
(creator_code:org_t)
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Sveriges lantbruksuniversitet
Related titles
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In:The Embo Journal: EMBO400261-41891460-2075
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