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Rasd1 modulates the coactivator function of NonO in the cyclic AMP pathway.

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Rasd1 modulates the coactivator function of NonO in the cyclic AMP pathway.

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dc.contributor.author Ong, Angeline Shufen.
dc.contributor.author Tan, Jen Jen.
dc.contributor.author Tew, Wai Loon.
dc.contributor.author Chen, Ken-Shiung.
dc.date.accessioned 2011-10-06T04:20:34Z
dc.date.available 2011-10-06T04:20:34Z
dc.date.copyright 2011
dc.date.issued 2011-10-06
dc.identifier.citation Ong, A. S., Tan, J. J., Tew, W. L., & Chen, K.-S. (2011). Rasd1 Modulates the Coactivator Function of NonO in the Cyclic AMP Pathway. PLoS ONE 6(9).
dc.identifier.issn 1932-6203
dc.identifier.uri http://hdl.handle.net/10220/7168
dc.description.abstract All living organisms exhibit autonomous daily physiological and behavioural rhythms to help them synchronize with the environment. Entrainment of circadian rhythm is achieved via activation of cyclic AMP (cAMP) and mitogen-activated protein kinase signaling pathways. NonO (p54nrb) is a multifunctional protein involved in transcriptional activation of the cAMP pathway and is involved in circadian rhythm comtrol. Rasd1 is a monomeric G protein implicated to play a pivotal role in potentiating both photic and nonphotic responses of the circadian rhythm. In this study, we have identified and validated NonO as an interacting partner of Rasd1 via affinity pulldown, coimmunoprecipitation and indirect immunofluorescence studies. The GTP-hydrolysis activity of Rasd1 is required for the functional interaction. Functional interaction of Rasd1-NonO in the cAMP pathway was investigated via reporter gene assays, chromatin immunoprecipitation and gene knockdown. We showed that Rasd1 and NonO interact at the CRE-site of specific target genes. These findings reveal a novel mechanism by which the coregulator activity of NonO can be modulated.
dc.format.extent 13 p.
dc.language.iso en
dc.relation.ispartofseries PLoS ONE
dc.rights Copyright 2011 The Authors. The journal's website is located at http://www.plosone.org. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
dc.subject DRNTU::Science::Biological sciences::Molecular biology.
dc.title Rasd1 modulates the coactivator function of NonO in the cyclic AMP pathway.
dc.type Journal Article
dc.contributor.school School of Biological Sciences
dc.identifier.doi http://dx.doi.org/10.1371/journal.pone.0024401
dc.description.version Published version

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