About: Hormone-dependent de novo organogenesis in Arabidopsis thaliana.

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About: Hormone-dependent de novo organogenesis in Arabidopsis thaliana. Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Mutual interactions of cytokinins and auxins were identified as a major morphogenetic factor in plants. Molecular mechanisms are still largely unknown. Hypocotyls derived from ethiolated seedlings were affected by various concentration ratios of exogenous auxins and cytokinins. We analysed a role of both phytohormones in an ability of hypocotyl explants to form calli, SAM- and/or RAM-like structures. We applied two auxins, NAA and 2,4-D, differing in the mechanism of their intercellular transport, and auxin transport inhibitor NPA. WUS::NLS-GUS and CLV3::NLS-GUS marker lines were used to recognize the identity of newly formed organs and the role of both phytohormones in the regulation of the cytokinin-to-auxin ratio-dependent developmental switch. Changes in endogenous hormone maxima and position-specific hormone-dependent mitotic cell activity were studied. Suggested model of the cytokinin and auxin interactions during de novo organogenesis in Arabidopsis thaliana will be presented. Mutual interactions of cytokinins and auxins were identified as a major morphogenetic factor in plants. Molecular mechanisms are still largely unknown. Hypocotyls derived from ethiolated seedlings were affected by various concentration ratios of exogenous auxins and cytokinins. We analysed a role of both phytohormones in an ability of hypocotyl explants to form calli, SAM- and/or RAM-like structures. We applied two auxins, NAA and 2,4-D, differing in the mechanism of their intercellular transport, and auxin transport inhibitor NPA. WUS::NLS-GUS and CLV3::NLS-GUS marker lines were used to recognize the identity of newly formed organs and the role of both phytohormones in the regulation of the cytokinin-to-auxin ratio-dependent developmental switch. Changes in endogenous hormone maxima and position-specific hormone-dependent mitotic cell activity were studied. Suggested model of the cytokinin and auxin interactions during de novo organogenesis in Arabidopsis thaliana will be presented. (en)
Title	Hormone-dependent de novo organogenesis in Arabidopsis thaliana. Hormone-dependent de novo organogenesis in Arabidopsis thaliana. (en)
skos:prefLabel	Hormone-dependent de novo organogenesis in Arabidopsis thaliana. Hormone-dependent de novo organogenesis in Arabidopsis thaliana. (en)
skos:notation	RIV/00216224:14310/07:00041969!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	Hejátko, Jan Pernisová, Markéta
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	424758
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/07:00041969
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	arabidopsis; phytohormone interaction; cytokinin; auxin (en)
http://linked.open.../riv/klicoveSlovo	phytohormone interaction cytokinin arabidopsis auxin
http://linked.open...ontrolniKodProRIV	[FB70D51E9685]
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Regulation of morphogenesis of plant cells and organs
http://linked.open...UplatneniVysledku	2007
http://linked.open...iv/tvurceVysledku	Hejátko, Jan Pernisová, Markéta
http://linked.open...n/vavai/riv/zamer	Molecular basis of cell and tissue regulations
http://localhost/t...ganizacniJednotka	14310

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