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DRACULA2 is a dynamic nucleoporin with a role in regulating the shade avoidance syndrome in Arabidopsis
Gallemí Rovira, Marçal (Centre de Recerca en Agrigenòmica)
Galstyan, Anahit (Centre de Recerca en Agrigenòmica)
Paulišić, Sandi (Centre de Recerca en Agrigenòmica)
Then, Christiane (Centre de Recerca en Agrigenòmica)
Ferrández-Ayela, Almudena (Universidad Miguel Hernández. Instituto de Bioingeniería)
Lorenzo-Orts, Laura (Centre de Recerca en Agrigenòmica)
Roig-Villanova, Irma (Centre de Recerca en Agrigenòmica)
Wang,Xuewen (University of London. Royal Holloway. School of Biological Sciences)
Micol, Jose Luis (Universidad Miguel Hernández. Instituto de Bioingeniería)
Ponce, Maria Rosa (Universidad Miguel Hernández. Instituto de Bioingeniería)
Devlin, Paul F. (University of London. Royal Holloway. School of Biological Sciences)
Martínez García, Jaime F (Centre de Recerca en Agrigenòmica)

Fecha: 2016
Resumen: When plants grow in close proximity basic resources such as light can become limiting. Under such conditions plants respond to anticipate and/or adapt to the light shortage, a process known as the shade avoidance syndrome (SAS). Following genetic screening using a shade-responsive luciferase reporter line (PHYB:LUC), we identified DRACULA2 (DRA2), which encodes an Arabidopsis homolog of mammalian nucleoporin 98, a component of the nuclear pore complex (NPC). DRA2, together with other nucleoporins, participates positively in the control of the hypocotyl elongation response to plant proximity, a role that can be considered dependent on the nucleocytoplasmic transport of macromolecules (i. e. is transport dependent). In addition, our results reveal a specific role for DRA2 in controlling shade-induced gene expression. We suggest that this novel regulatory role of DRA2 is transport independent and that it might rely on its dynamic localization within and outside of the NPC. These results provide mechanistic insights in to how SAS responses are rapidly established by light conditions. They also indicate that nucleoporins have an active role in plant signaling.
Nota: Altres ajuts: C.T. received a Marie Curie IEF postdoctoral contract funded by the European Commission.I.R.-V. received initiallyan FPIfellowship from the SpanishMINECO and later a Beatriu de Pinós contract from AGAUR. - Our research is supported by grants from Generalitat Valenciana [PROMETEO/2009/112, PROMETEOII/2014/006] to M.R.P. and J.L.M.
Nota: Número d'acord de subvenció MINECO/SEV-2015-0533
Nota: Número d'acord de subvenció MINECO/BIO2014-59895-P
Nota: Número d'acord de subvenció MINECO/BIO2011-23489
Nota: Número d'acord de subvenció AGAUR/2011/SGR-44
Nota: Número d'acord de subvenció MINECO/BIO2008-00169
Derechos: Tots els drets reservats
Lengua: Anglès
Documento: article ; recerca ; publishedVersion
Materia: Arabidopsis thaliana ; Hypocotyl elongation ; Nucleoporin ; Nup98 ; Shade avoidance syndrome ; Shade-induced gene expression
Publicado en: Development, Vol. 143, issue 9 (May 2016) , p. 1623-1631, ISSN 1477-9129

DOI: 10.1242/dev.130211

9 p, 3.0 MB

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Documentos de investigación > Documentos de los grupos de investigación de la UAB > Centros y grupos de investigación (producción científica) > Ciencias > CRAG (Centro de Investigación en Agrigenómica)
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 Registro creado el 2017-07-25, última modificación el 2021-02-18

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