About: Mild temperature stress modulates cytokinin content and cytokinin oxidase/dehydrogenase activity in young pea plants

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About: Mild temperature stress modulates cytokinin content and cytokinin oxidase/dehydrogenase activity in young pea plants 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	Cytokinin oxidase/dehydrogenase (CKX: EC 1.5.99.12) is able to provide a means for the rapid turnover of its substrate and it has been considered responsible for changes in the cytokinin pool in an adverse environment. Mild temperature stresses (10°C and 33°C average) were applied to young pea plants of two varieties (cvs. Manuela and Scinado) in order to assess the response of the cytokinin pool and CKX activity to altered growth conditions. Both temperature treatments increased the isopentenyl adenine (iP) and isopentenyl adenine riboside (iPR) contents in stressed plants. This trend was far more pronounced in the leaves. Low temperature additionally resulted in elevated cis zeatin riboside ( cis ZR) and CKX activity. Heat did not influence the enzymatic activity in the leaves, while opposing trends were observed in the root-derived CKX activity of the two tested varieties. The data suggest that variance in the temperature provokes adaptive reactions in the cytokinin pool. Cytokinin oxidase/dehydrogenase (CKX: EC 1.5.99.12) is able to provide a means for the rapid turnover of its substrate and it has been considered responsible for changes in the cytokinin pool in an adverse environment. Mild temperature stresses (10°C and 33°C average) were applied to young pea plants of two varieties (cvs. Manuela and Scinado) in order to assess the response of the cytokinin pool and CKX activity to altered growth conditions. Both temperature treatments increased the isopentenyl adenine (iP) and isopentenyl adenine riboside (iPR) contents in stressed plants. This trend was far more pronounced in the leaves. Low temperature additionally resulted in elevated cis zeatin riboside ( cis ZR) and CKX activity. Heat did not influence the enzymatic activity in the leaves, while opposing trends were observed in the root-derived CKX activity of the two tested varieties. The data suggest that variance in the temperature provokes adaptive reactions in the cytokinin pool. (en)
Title	Mild temperature stress modulates cytokinin content and cytokinin oxidase/dehydrogenase activity in young pea plants Mild temperature stress modulates cytokinin content and cytokinin oxidase/dehydrogenase activity in young pea plants (en)
skos:prefLabel	Mild temperature stress modulates cytokinin content and cytokinin oxidase/dehydrogenase activity in young pea plants Mild temperature stress modulates cytokinin content and cytokinin oxidase/dehydrogenase activity in young pea plants (en)
skos:notation	RIV/61389030:_____/09:00338594!RIV10-AV0-61389030
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(AV0Z50380511)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Trávníčková, Alena Malbeck, Jiří Macháčková, Ivana
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	Ústav experimentální botaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	326369
http://linked.open...ai/riv/idVysledku	RIV/61389030:_____/09:00338594
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Cytokinin oxidase/dehydrogenase; Cytokinins; Pea (en)
http://linked.open.../riv/klicoveSlovo	Cytokinins Pea Cytokinin oxidase/dehydrogenase
http://linked.open...odStatuVydavatele	HU - Maďarsko
http://linked.open...ontrolniKodProRIV	[0C2519F10AD6]
http://linked.open...i/riv/nazevZdroje	Acta Agronomica Hungarica
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	57
http://linked.open...iv/tvurceVysledku	Macháčková, Ivana Malbeck, Jiří Trávníčková, Alena Todorova, D. Vaseva, I.
http://linked.open...n/vavai/riv/zamer	Mechanismy regulace růstu a vývoje rostlin na úrovni buněk, orgánů a celých organismů: fyziologické, genetické a molekulárně biologické základy
issn	0238-0161
number of pages	8 (xsd:int)

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