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Balta, E.A.* ; Schäffner, I.* ; Wittmann, M.T.* ; Sock, E.* ; von Zweydorf, F.* ; von Wittgenstein, J.* ; Steib, K. ; Heim, B.* ; Kremmer, E. ; Häberle, B.M.* ; Ueffing, M.* ; Lie, D.C.C.* ; Gloeckner, C.J.*

Phosphorylation of the neurogenic transcription factor SOX11 on serine 133 modulates neuronal morphogenesis.

Sci. Rep. 8:16196 (2018)
Publ. Version/Full Text DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
The intellectual disability gene, Sox11, encodes for a critical neurodevelopmental transcription factor with functions in precursor survival, neuronal fate determination, migration and morphogenesis. The mechanisms regulating SOX11's activity remain largely unknown. Mass spectrometric analysis uncovered that SOX11 can be post-translationally modified by phosphorylation. Here, we report that phosphorylatable serines surrounding the high-mobility group box modulate SOX11's transcriptional activity. Through Mass Spectrometry (MS), co-immunoprecipitation assays and in vitro phosphorylation assays followed by MS we verified that protein kinase A (PKA) interacts with SOX11 and phosphorylates it on S133. In vivo replacement of SoxC factors in developing adult-generated hippocampal neurons with SOX11 S133 phospho-mutants indicated that phosphorylation on S133 modulates dendrite development of adult-born dentate granule neurons, while reporter assays suggested that S133 phosphorylation fine-tunes the activation of select target genes. These data provide novel insight into the control of the critical neurodevelopmental regulator SOX11 and imply SOX11 as a mediator of PKA-regulated neuronal development.
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Publication type Article: Journal article
Document type Scientific Article
Corresponding Author
Keywords Element-binding Protein; Adult Hippocampal Neurogenesis; Newly Generated Neurons; Dentate Granule Cells; Coffin-siris Syndrome; Camp-response; Kinase-a; Mouse Hippocampus; Stem-cell; Integration
ISSN (print) / ISBN 2045-2322
e-ISSN 2045-2322
Journal Scientific Reports
Quellenangaben Volume: 8, Issue: 1, Pages: , Article Number: 16196 Supplement: ,
Publisher Nature Publishing Group
Publishing Place London
Non-patent literature Publications
Reviewing status Peer reviewed
Institute(s) Institute of Developmental Genetics (IDG)
CF Monoclonal Antibodies (CF-MAB)