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@ARTICLE{Schmitz:904324,
author = {Schmitz, Katharina and Cox, Jan and Esser, Lea Marie and
Voss, Martin and Sander, Katja and Löffler, Antje and
Hillebrand, Frank and Erkelenz, Steffen and Schaal, Heiner
and Kähne, Thilo and Klinker, Stefan and Zhang, Tao and
Nagel-Steger, Luitgard and Willbold, Dieter and Seggewiß,
Sabine and Schlütermann, David and Stork, Björn and
Grimmler, Matthias and Wesselborg, Sebastian and Peter,
Christoph},
title = {{A}n essential role of the autophagy activating kinase
{ULK}1 in sn{RNP} biogenesis},
journal = {Nucleic acids research},
volume = {49},
number = {11},
issn = {0301-5610},
address = {Oxford},
publisher = {Oxford Univ. Press},
reportid = {FZJ-2021-05894},
pages = {6437 - 6455},
year = {2021},
abstract = {The biogenesis of small uridine-rich nuclear
ribonucleoproteins (UsnRNPs) depends on the methylation of
Sm proteins catalyzed by the methylosome and the subsequent
action of the SMN complex, which assembles the heptameric Sm
protein ring onto small nuclear RNAs (snRNAs). In this
sophisticated process, the methylosome subunit pICln
(chloride conductance regulatory protein) is attributed to
an exceptional key position as an ‘assembly chaperone’
by building up a stable precursor Sm protein ring structure.
Here, we show that—apart from its autophagic role—the
Ser/Thr kinase ULK1 (Uncoordinated [unc-51] Like Kinase 1)
functions as a novel key regulator in UsnRNP biogenesis by
phosphorylation of the C-terminus of pICln. As a
consequence, phosphorylated pICln is no longer capable to
hold up the precursor Sm ring structure. Consequently,
inhibition of ULK1 results in a reduction of efficient
UsnRNP core assembly. Thus ULK1, depending on its complex
formation, exerts different functions in autophagy or snRNP
biosynthesis.},
cin = {IBI-7},
ddc = {570},
cid = {I:(DE-Juel1)IBI-7-20200312},
pnm = {5244 - Information Processing in Neuronal Networks
(POF4-524)},
pid = {G:(DE-HGF)POF4-5244},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:34096600},
UT = {WOS:000671550100035},
doi = {10.1093/nar/gkab452},
url = {https://juser.fz-juelich.de/record/904324},
}