About: Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux in Arabidopsis thaliana.

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About: Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux in Arabidopsis thaliana. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Auxin and cytokinins are principal regulators of the developmental fate of pluripotent plant cells. The molecular nature of their interaction during de novo organogenesis remains unclear. We used the hypocotyl explants-based in vitro system to study mechanisms underlying de novo organogenesis. We show that auxin, but not cytokinin, is able to induce organogenic response. Cytokinin modulates auxin-induced organogenesis (AIO) via regulation of intercellular auxin distribution. The AIO is accompanied with endogenous cytokinins production and tissue-specific activation of cytokinin signalling. Cytokinin regulates the expression of PIN auxin efflux carriers in hypocotyl explants. We analyzed PINs expression in roots of 6-day-old seedlings and found that PIN2 and PIN4 are downregulated in Pro35S:AtCKX2(3) lines. We propose a model in which auxin acts as a trigger of the organogenic processes, whose output is modulated by the endogenously produced CKs. Auxin and cytokinins are principal regulators of the developmental fate of pluripotent plant cells. The molecular nature of their interaction during de novo organogenesis remains unclear. We used the hypocotyl explants-based in vitro system to study mechanisms underlying de novo organogenesis. We show that auxin, but not cytokinin, is able to induce organogenic response. Cytokinin modulates auxin-induced organogenesis (AIO) via regulation of intercellular auxin distribution. The AIO is accompanied with endogenous cytokinins production and tissue-specific activation of cytokinin signalling. Cytokinin regulates the expression of PIN auxin efflux carriers in hypocotyl explants. We analyzed PINs expression in roots of 6-day-old seedlings and found that PIN2 and PIN4 are downregulated in Pro35S:AtCKX2(3) lines. We propose a model in which auxin acts as a trigger of the organogenic processes, whose output is modulated by the endogenously produced CKs. (en)
Title	Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux in Arabidopsis thaliana. Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux in Arabidopsis thaliana. (en)
skos:prefLabel	Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux in Arabidopsis thaliana. Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux in Arabidopsis thaliana. (en)
skos:notation	RIV/00216224:14310/09:00043637!RIV11-MSM-14310___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(LC06034), S, Z(MSM0021622415)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Reichman, Pavel Hejátko, Jan Pernisová, Markéta Zažímalová, Eva Malbeck, Jiří Válková, Martina Dubová, Jaroslava Souček, Přemysl Horák, Jakub Friml, Jiří
http://linked.open.../riv/druhVysledku	O - Ostatní výsledky nezařaditelné do žádného z výše uvedených druhů výsledku
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	308826
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/09:00043637
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	auxin-induced organogenesis; auxin transport; auxin efflux carrier (en)
http://linked.open.../riv/klicoveSlovo	auxin efflux carrier auxin-induced organogenesis auxin transport
http://linked.open...ontrolniKodProRIV	[45275F9C4B06]
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	Regulation of morphogenesis of plant cells and organs
http://linked.open...UplatneniVysledku	2009
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...n/vavai/riv/zamer	Molecular basis of cell and tissue regulations
http://localhost/t...ganizacniJednotka	14310

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