Počet záznamů: 1

Local induction of senescence by darkness in Cucurbita pepo (zucchini) cotyledons or the primary leaf induces opposite effects in the adjacent illuminated organ

SYSNO ASEP	0368552
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Článek ve WOS
Název	Local induction of senescence by darkness in Cucurbita pepo (zucchini) cotyledons or the primary leaf induces opposite effects in the adjacent illuminated organ
Tvůrce(i)	Ananieva, K. (BG) Ananiev, E. D. (BG) Doncheva, S. (BG) Stefanov, D. (BG) Mishev, K. (BG) Kamínek, Miroslav (UEB-Q)_{RID, ORCID} Motyka, Václav (UEB-Q)_{RID, ORCID} Dobrev, Petre (UEB-Q)_{RID, ORCID} Malbeck, Jiří (UEB-Q)_{RID, ORCID}
Zdroj.dok.	Plant Growth Regulation. - : Springer - ISSN 0167-6903 Roč. 65, č. 3 (2011), s. 459-471
Poč.str.	13 s.
Jazyk dok.	eng - angličtina
Země vyd.	NL - Nizozemsko
Klíč. slova	Abscisic acid ; Cotyledons ; Cytokinins
Vědní obor RIV	EF - Botanika
CEP	IAA600380701 GA AV ČR - Akademie věd
	IAA600380805 GA AV ČR - Akademie věd
	LC06034 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy
	1M06030 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy
CEZ	AV0Z50380511 - UEB-Q (2005-2011)
UT WOS	000297621200004
DOI	10.1007/s10725-011-9616-8
Anotace	Local darkening of zucchini cotyledons or the adjacent leaf affected in an organ-specific manner the adjacent ones which remained under the initial light regime. Darkening of the pair of cotyledons induced a reduction of total cytokinin (CK) levels and increase CK oxidase/dehydrogenase (CKX) activity in the adjacent illuminated primary leaf. Content of abscisic acid (ABA) was increased which correlated with reduced stomatal aperture. In contrast, darkening of adjacent primary leaf led to the increase in total CK levels in parallel with decreased CKX activity, decrease of ABA content in correlation with increased stomatal aperture. Three photosynthesis-related genes psbA, psaB and rbcL remained almost unaffected in both illuminated organs. Results indicate involvement of CKX and ABA signaling in the control of communication mechanisms between cotyledons and the primary leaf which could operate in response to changing environmental factors.
Pracoviště	Ústav experimentální botaniky
Kontakt	David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469
Rok sběru	2012

Počet záznamů: 1