About: Local Auxin Sources Orient the Apical-Basal Axis in Arabidopsis Embryos

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Establishment of the embryonic axis foreshadows the main body axis of adults both in plants and in animals, but underlying mechanisms are considered distinct. Plants utilize directional, cell-to-cell transport of the growth hormone auxin [1, 2] to generate an asymmetric auxin response that specifies the embryonic apical-basal axis [3-6]. The auxin flow directionality depends on the polarized subcellular localization of PIN-FORMED (PIN) auxin transporters [7, 8]. It remains unknown which mechanisms and spatial cues guide cell polarization and axis orientation in early embryos. Herein, we provide conceptually novel insights into the formation of embryonic axis in Arabidopsis by identifying a crucial role of localized tryptophan-dependent auxin biosynthesis [9-12]. Local auxin production at the base of young embryos and the accompanying PIN7-mediated auxin flow toward the proembryo are required for the apical auxin response maximum and the specification of apical embryonic structures. Establishment of the embryonic axis foreshadows the main body axis of adults both in plants and in animals, but underlying mechanisms are considered distinct. Plants utilize directional, cell-to-cell transport of the growth hormone auxin [1, 2] to generate an asymmetric auxin response that specifies the embryonic apical-basal axis [3-6]. The auxin flow directionality depends on the polarized subcellular localization of PIN-FORMED (PIN) auxin transporters [7, 8]. It remains unknown which mechanisms and spatial cues guide cell polarization and axis orientation in early embryos. Herein, we provide conceptually novel insights into the formation of embryonic axis in Arabidopsis by identifying a crucial role of localized tryptophan-dependent auxin biosynthesis [9-12]. Local auxin production at the base of young embryos and the accompanying PIN7-mediated auxin flow toward the proembryo are required for the apical auxin response maximum and the specification of apical embryonic structures. (en)
Title	Local Auxin Sources Orient the Apical-Basal Axis in Arabidopsis Embryos Local Auxin Sources Orient the Apical-Basal Axis in Arabidopsis Embryos (en)
skos:prefLabel	Local Auxin Sources Orient the Apical-Basal Axis in Arabidopsis Embryos Local Auxin Sources Orient the Apical-Basal Axis in Arabidopsis Embryos (en)
skos:notation	RIV/00216224:14740/13:00066904!RIV14-MSM-14740___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(ED1.1.00/02.0068), P(EE2.3.20.0043), P(EE2.3.30.0037), P(GA13-40637S)
http://linked.open...iv/cisloPeriodika	24
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Friml, Jiří Robert Boisivon, Helene
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Masarykova univerzita / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	85243
http://linked.open...ai/riv/idVysledku	RIV/00216224:14740/13:00066904
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PLANT DEVELOPMENT; COTYLEDON DEVELOPMENT; SEED DEVELOPMENT; PIN PROTEINS; BIOSYNTHESIS; GENE; POLARITY; EMBRYOGENESIS; EXPRESSION; EFFLUX (en)
http://linked.open.../riv/klicoveSlovo	EFFLUX COTYLEDON DEVELOPMENT EMBRYOGENESIS PIN PROTEINS SEED DEVELOPMENT BIOSYNTHESIS POLARITY EXPRESSION GENE PLANT DEVELOPMENT
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[A0A7B620D577]
http://linked.open...i/riv/nazevZdroje	Current Biology
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Employment of Best Young Scientists for International Cooperation Empowerment Genetic elucidation of molecular mechanisms underlying cell polarity and auxin transport in plants Human Resources Development for R&D and Innovation in the Field of Genomics and Proteomics of Plant Systems Central european institute of technology
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	23
http://linked.open...iv/tvurceVysledku	Friml, Jiří Alonso, Jose M Grones, Peter Lokerse, Annemarie S Robert Boisivon, Helene Robles, Linda M Stepanova, Anna N Weijers, Dolf
http://linked.open...ain/vavai/riv/wos	000328918900031
issn	0960-9822
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.cub.2013.09.039
http://localhost/t...ganizacniJednotka	14740

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