About: Expressional regulation of CKI1 provides molecular evidence for hormone interplay during Arabidopsis root development

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Gametophytic expression of sensor histidine kinase CKI1, originally implicated in cytokinin signaling, was shown to be essential for megagametogenesis in Arabidopsis. Using CKI1 promoter::uidA lines and CKI1 mRNA and protein in situ localization, we have identified the activity of CKI1 in both root (root tip, vascular tissue and lateral root primordia) and shoot (shoot apical meristem, vascular tissue of cotyledons, floral organs, flower pedicels and inflorescence stem). We have found that the activity of CKI1 promoter in the root (but not the shoot) of young seedlings could be manipulated by exogenous application of cytokinin, auxin and auxin transport inhibitors. The ectopic expression domain of CKI1 after application of both hormones overlaps with auxin intracellular local maxima as identified by the auxin responsive promoter DR5. Gametophytic expression of sensor histidine kinase CKI1, originally implicated in cytokinin signaling, was shown to be essential for megagametogenesis in Arabidopsis. Using CKI1 promoter::uidA lines and CKI1 mRNA and protein in situ localization, we have identified the activity of CKI1 in both root (root tip, vascular tissue and lateral root primordia) and shoot (shoot apical meristem, vascular tissue of cotyledons, floral organs, flower pedicels and inflorescence stem). We have found that the activity of CKI1 promoter in the root (but not the shoot) of young seedlings could be manipulated by exogenous application of cytokinin, auxin and auxin transport inhibitors. The ectopic expression domain of CKI1 after application of both hormones overlaps with auxin intracellular local maxima as identified by the auxin responsive promoter DR5. (en)
Title	Expressional regulation of CKI1 provides molecular evidence for hormone interplay during Arabidopsis root development Expressional regulation of CKI1 provides molecular evidence for hormone interplay during Arabidopsis root development (en)
skos:prefLabel	Expressional regulation of CKI1 provides molecular evidence for hormone interplay during Arabidopsis root development Expressional regulation of CKI1 provides molecular evidence for hormone interplay during Arabidopsis root development (en)
skos:notation	RIV/00216224:14310/05:00013449!RIV11-AV0-14310___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA600380507), P(LN00A081), Z(MSM0021622415)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Šišková, Helena Hejátko, Jan Pernisová, Markéta Dobešová, Romana Souček, Přemysl Brzobohatý, Břetislav Borkovcová, Petra
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	521235
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/05:00013449
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	cytokionin perception; cytokinin; auxin; ethylene (en)
http://linked.open.../riv/klicoveSlovo	cytokinin auxin ethylene cytokionin perception
http://linked.open...ontrolniKodProRIV	[AA762028D571]
http://linked.open...in/vavai/riv/obor	EB
http://linked.open...ichTvurcuVysledku	7 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Signaling pathways in plants Mechanisms maintaining hormonal homeostasis in plant cells
http://linked.open...UplatneniVysledku	2005
http://linked.open...iv/tvurceVysledku	Hejátko, Jan Pernisová, Markéta Brzobohatý, Břetislav Souček, Přemysl Borkovcová, Petra Palme, Klaus Dobešová, Romana Šišková, Helena
http://linked.open...n/vavai/riv/zamer	Molecular basis of cell and tissue regulations
http://localhost/t...ganizacniJednotka	14310

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