Guard cells control hypocotyl elongation through HXK1, HY5, and PIF4

Kelly et al. show that Arabidopsis hexokinase1 (HXK1) expressed in guard-cells is sufficient to drive hypocotyl elongation through increasing the activity of PIF4 and auxin level, and competing with the effects of HY5. This study provides insights into how light and sucrose antagonistically coordina...

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Autores principales:	Gilor Kelly, Danja Brandsma, Aiman Egbaria, Ofer Stein, Adi Doron-Faigenboim, Nitsan Lugassi, Eduard Belausov, Hanita Zemach, Felix Shaya, Nir Carmi, Nir Sade, David Granot
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Biology (General) QH301-705.5
Acceso en línea:	https://doaj.org/article/f8d3ae6c3d764af7856c52327cc8188d
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spelling	oai:doaj.org-article:f8d3ae6c3d764af7856c52327cc8188d2021-12-02T17:12:21ZGuard cells control hypocotyl elongation through HXK1, HY5, and PIF410.1038/s42003-021-02283-y2399-3642https://doaj.org/article/f8d3ae6c3d764af7856c52327cc8188d2021-06-01T00:00:00Zhttps://doi.org/10.1038/s42003-021-02283-yhttps://doaj.org/toc/2399-3642Kelly et al. show that Arabidopsis hexokinase1 (HXK1) expressed in guard-cells is sufficient to drive hypocotyl elongation through increasing the activity of PIF4 and auxin level, and competing with the effects of HY5. This study provides insights into how light and sucrose antagonistically coordinate the effort to achieve the height necessary for efficient photosynthetic, autotrophic sugar production.Gilor KellyDanja BrandsmaAiman EgbariaOfer SteinAdi Doron-FaigenboimNitsan LugassiEduard BelausovHanita ZemachFelix ShayaNir CarmiNir SadeDavid GranotNature PortfolioarticleBiology (General)QH301-705.5ENCommunications Biology, Vol 4, Iss 1, Pp 1-14 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biology (General) QH301-705.5
spellingShingle	Biology (General) QH301-705.5 Gilor Kelly Danja Brandsma Aiman Egbaria Ofer Stein Adi Doron-Faigenboim Nitsan Lugassi Eduard Belausov Hanita Zemach Felix Shaya Nir Carmi Nir Sade David Granot Guard cells control hypocotyl elongation through HXK1, HY5, and PIF4
description	Kelly et al. show that Arabidopsis hexokinase1 (HXK1) expressed in guard-cells is sufficient to drive hypocotyl elongation through increasing the activity of PIF4 and auxin level, and competing with the effects of HY5. This study provides insights into how light and sucrose antagonistically coordinate the effort to achieve the height necessary for efficient photosynthetic, autotrophic sugar production.
format	article
author	Gilor Kelly Danja Brandsma Aiman Egbaria Ofer Stein Adi Doron-Faigenboim Nitsan Lugassi Eduard Belausov Hanita Zemach Felix Shaya Nir Carmi Nir Sade David Granot
author_facet	Gilor Kelly Danja Brandsma Aiman Egbaria Ofer Stein Adi Doron-Faigenboim Nitsan Lugassi Eduard Belausov Hanita Zemach Felix Shaya Nir Carmi Nir Sade David Granot
author_sort	Gilor Kelly
title	Guard cells control hypocotyl elongation through HXK1, HY5, and PIF4
title_short	Guard cells control hypocotyl elongation through HXK1, HY5, and PIF4
title_full	Guard cells control hypocotyl elongation through HXK1, HY5, and PIF4
title_fullStr	Guard cells control hypocotyl elongation through HXK1, HY5, and PIF4
title_full_unstemmed	Guard cells control hypocotyl elongation through HXK1, HY5, and PIF4
title_sort	guard cells control hypocotyl elongation through hxk1, hy5, and pif4
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/f8d3ae6c3d764af7856c52327cc8188d
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Guard cells control hypocotyl elongation through HXK1, HY5, and PIF4

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