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

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

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	Auxin and cytokinin (CK) are important regulators of the developmental fate of pluripotent plant cells. The molecular mechanism of their interaction in control of plant organogenesis is largely unknown. We show that auxin, but not CK, is able to induce organogenic response in hypocotyl explants. CK modulates auxin-induced organogenesis via regulation of intercellular auxin distribution. The auxin-induced organogenesis is accompanied with endogenous CKs production and tissue-specific activation of CK signalling. CK also reduces auxin efflux from cultured tobacco cells and regulates the expression of auxin efflux carriers from the PIN family in hypocotyl explants and are necessary to maintain intercellular auxin distribution in planta. We propose a model, in which auxin acts as a trigger of the organogenic processes, whose output is modulated by the endogenously produced CKs via regulation of expression of auxin efflux carriers. Auxin and cytokinin (CK) are important regulators of the developmental fate of pluripotent plant cells. The molecular mechanism of their interaction in control of plant organogenesis is largely unknown. We show that auxin, but not CK, is able to induce organogenic response in hypocotyl explants. CK modulates auxin-induced organogenesis via regulation of intercellular auxin distribution. The auxin-induced organogenesis is accompanied with endogenous CKs production and tissue-specific activation of CK signalling. CK also reduces auxin efflux from cultured tobacco cells and regulates the expression of auxin efflux carriers from the PIN family in hypocotyl explants and are necessary to maintain intercellular auxin distribution in planta. We propose a model, in which auxin acts as a trigger of the organogenic processes, whose output is modulated by the endogenously produced CKs via regulation of expression of auxin efflux carriers. (en)
Title	Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux (en)
skos:prefLabel	Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux Cytokinins modulate auxin-induced organogenesis via regulation of the auxin efflux (en)
skos:notation	RIV/00216224:14310/09:00039833!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 Klíma, Petr 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	308825
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/09:00039833
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	de novo organogenesis; auxin transport; auxin-cytokinin interactions; PIN efflux carrier (en)
http://linked.open.../riv/klicoveSlovo	de novo organogenesis PIN efflux carrier auxin-cytokinin interactions auxin transport
http://linked.open...ontrolniKodProRIV	[64931425197C]
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	11 (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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