Distribution, biological activities, metabolism, and the conceivable function of cis-zeatin-type cytokinins in plants

Gajdošová, Silvia; Spíchal, Lukáš; Kamínek, Miroslav; Hoyerová, Klára; Novák, Ondřej; Dobrev, Petre; Galuszka, Petr; Klíma, Petr; Gaudinová, Alena; Žižková, Eva; Hanuš, Jan; Dančák, M.; Trávníček, B.; Pešek, Bedřich; Krupička, M.; Vaňková, Radomíra; Strnad, Miroslav; Motyka, Václav

doi:https://dx.doi.org/10.1093/jxb/erq457

Number of the records: 1

Distribution, biological activities, metabolism, and the conceivable function of cis-zeatin-type cytokinins in plants

1.

SYSNO ASEP	0365271
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Distribution, biological activities, metabolism, and the conceivable function of cis-zeatin-type cytokinins in plants
Author(s)	Gajdošová, Silvia (UEB-Q) Spíchal, Lukáš (UEB-Q)_{RID, ORCID} Kamínek, Miroslav (UEB-Q)_{RID, ORCID} Hoyerová, Klára (UEB-Q)_{RID, ORCID} Novák, Ondřej (UEB-Q)_{RID, ORCID, SAI} Dobrev, Petre (UEB-Q)_{RID, ORCID} Galuszka, Petr (UEB-Q) Klíma, Petr (UEB-Q)_{RID, ORCID} Gaudinová, Alena (UEB-Q)_ORCID Žižková, Eva (UEB-Q)_ORCID Hanuš, Jan (UEB-Q) Dančák, M. (CZ) Trávníček, B. (CZ) Pešek, Bedřich (UEB-Q)_RID Krupička, M. (SK) Vaňková, Radomíra (UEB-Q)_{RID, ORCID} Strnad, Miroslav (UEB-Q)_{RID, ORCID} Motyka, Václav (UEB-Q)_{RID, ORCID}
Source Title	Journal of Experimental Botany. - : Oxford University Press - ISSN 0022-0957 Roč. 62, č. 8 (2011), s. 2827-2840
Number of pages	14 s.
Language	eng - English
Country	GB - United Kingdom
Keywords	Arabidopsis thaliana ; cis-zeatin ; cytokinin oxidase
Subject RIV	ED - Physiology
R&D Projects	LC06034 GA MŠMT - Ministry of Education, Youth and Sports (MEYS)
	IAA600380701 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR)
	IAA600380805 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR)
	GA301/08/1649 GA ČR - Czech Science Foundation (CSF)
	GAP506/11/0774 GA ČR - Czech Science Foundation (CSF)
CEZ	AV0Z50380511 - UEB-Q (2005-2011)
UT WOS	000290813300029
DOI	10.1093/jxb/erq457
Annotation	The comprehensive screen through the land plants is presented suggesting that cytokinins (CKs) of cis-zeatin (cisZ)-type occur generally in plant kingdom. Changing levels of trans-zeatin (transZ) and cisZ during the Arabidopsis ontogeny shows that levels of the two Z isomers can significantly differ during the plant lifespan with cisZ CKs prevalence in developmental stages associated with limited growth. cisZ and transZ have different metabolic fate in oat and tobacco and cisZ is a preferred substrate of some Arabidopsis cytokinin oxidase/dehydrogenase (CKX) isoforms. Any cis-trans isomerization wasn’t observed. Survey of employed bioassays illustrates ability of high doses of cisZ-type CKs to induce various physiological responses and CK signaling. These data argue against the image of cisZ-type CKs as the non-active or weakly active natural adjuncts to the trans isomers suggesting their conceivable function as delicate regulators of CK responses in growth-limiting conditions.
Workplace	Institute of Experimental Botany
Contact	David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469
Year of Publishing	2012

Number of the records: 1