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The DOI matches its Crossref record; 4 of the 4 references it cites were found in a registry or an index.

In vivo regulation of Yorkie phosphorylation and localization

Open access
Oh, Hyangyee, Irvine, Kenneth D.·2008·Development

Abstract

Yorkie (Yki), a transcription factor of the Fat and Hippo signaling pathways, is negatively regulated by the Warts kinase. Here, we use Phos-tag gels to characterize Warts-dependent phosphorylation of Yki in vivo, and show that Warts promotes phosphorylation of Yki at multiple sites. We also show that Warts inhibits Yki nuclear localization in vivo, and can promote binding of Yki to 14-3-3 proteins in cultured cells. In vivo assessment of the influence of individual upstream regulators of Warts reveals that some mutants(e.g. fat) have only partial effects on Yki phosphorylation, and weak effects on Yki localization, whereas other genotypes (e.g. ex fatdouble mutants) have stronger effects on both Yki phosphorylation and localization. We also identify serine 168 as a critical site through which negative regulation of Yki by Warts-mediated phosphorylation occurs, but find that this site is not sufficient to explain effects of Hippo signaling on Yki in vivo. These results identify modulation of subcellular localization as a mechanism of Yki regulation, and establish that this regulation occurs in vivo through multiple sites of Warts-dependent phosphorylation on Yki.

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Metadata

Authors
Oh, H., & Irvine, K. D.
Venue
Development
Published
2008-03-15
Volume
135
Issue
6
Pages
1081-1088
ISSN
  • 0950-1991 (ISSN-L)
  • 1477-9129
OpenAlex
W2091621334
Cited by
404
References
4
FWCI
11.43
Type
journal article
Language
en
Open access
green

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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