About: Cytokinins modulate auxin-induced organogenesis in plants via regulation of the auxin efflux

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Auxin and cytokinin (CK) are important regulators of the developmental fate of pluripotent plant cells. The molecular nature of their interactions is largely unknown. Here we show that CK modulates auxin-induced organogenesis (AIO) via regulation of efflux-dependent, intercellular auxin distribution. Auxin, but not CK, is capable to trigger organogenesis in hypocotyl explants. AOI is accompanied with endogenous CKs production and tissue-specific activation of CK signalling. CK affects differential auxin distribution and the CK-mediated modulation of organogenesis is simulated by inhibition of polar auxin transport. CK reduces auxin efflux from cultured tobacco cells and regulates expression of auxin efflux carriers from the PIN family in hypocotyl explants. Endogenous CK levels influence PIN transcription and are necessary to maintain intercellular auxin distribution in planta. Auxin and cytokinin (CK) are important regulators of the developmental fate of pluripotent plant cells. The molecular nature of their interactions is largely unknown. Here we show that CK modulates auxin-induced organogenesis (AIO) via regulation of efflux-dependent, intercellular auxin distribution. Auxin, but not CK, is capable to trigger organogenesis in hypocotyl explants. AOI is accompanied with endogenous CKs production and tissue-specific activation of CK signalling. CK affects differential auxin distribution and the CK-mediated modulation of organogenesis is simulated by inhibition of polar auxin transport. CK reduces auxin efflux from cultured tobacco cells and regulates expression of auxin efflux carriers from the PIN family in hypocotyl explants. Endogenous CK levels influence PIN transcription and are necessary to maintain intercellular auxin distribution in planta. (en)
Title	Cytokinins modulate auxin-induced organogenesis in plants via regulation of the auxin efflux Cytokinins modulate auxin-induced organogenesis in plants via regulation of the auxin efflux (en)
skos:prefLabel	Cytokinins modulate auxin-induced organogenesis in plants via regulation of the auxin efflux Cytokinins modulate auxin-induced organogenesis in plants via regulation of the auxin efflux (en)
skos:notation	RIV/00216224:14310/09:00035261!RIV11-MSM-14310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GD204/08/H054), P(LC06034), S, Z(AV0Z50040702), Z(AV0Z50380511), Z(MSM0021622415)
http://linked.open...iv/cisloPeriodika	no. 9
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Reichman, Pavel Hejátko, Jan Pernisová, Markéta Zažímalová, Eva Malbeck, Jiří Válková, Martina Klíma, Petr Dubová, Jaroslava Horák, Jakub Friml, Jiří
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 / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	308824
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/09:00035261
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PIN expression; two-component signalling; root meristem; auxin maxima (en)
http://linked.open.../riv/klicoveSlovo	PIN expression auxin maxima root meristem two-component signalling
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[E62B8BF1AB92]
http://linked.open...i/riv/nazevZdroje	Proceedings of the National Academy of Sciences of the United States of America
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	10 (xsd:int)
http://linked.open...cetTvurcuVysledku	12 (xsd:int)
http://linked.open...vavai/riv/projekt	Molecular mechanisms of the cell proliferation and differentiation Regulation of morphogenesis of plant cells and organs
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	vol. 106
http://linked.open...iv/tvurceVysledku	Friml, Jiří Hejátko, Jan Horák, Jakub Malbeck, Jiří Pernisová, Markéta Válková, Martina Zažímalová, Eva Hoyerová, Klára Klíma, Petr Souček, Přemysl Dubová, Jaroslava Reichman, Pavel
http://linked.open...ain/vavai/riv/wos	000263844100111
http://linked.open...n/vavai/riv/zamer	Genome and epigenome: 1D and 3D Structure, Dynamics, Interactions with Proteins and Functions Mechanismy regulace růstu a vývoje rostlin na úrovni buněk, orgánů a celých organismů: fyziologické, genetické a molekulárně biologické základy Molecular basis of cell and tissue regulations
issn	0027-8424
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	14310

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