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Blue radiation stimulates photosynthetic induction in Fagus sylvatica L

SYSNO ASEP	0338733
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Článek ve WOS
Název	Blue radiation stimulates photosynthetic induction in Fagus sylvatica L
Tvůrce(i)	Košvancová, Martina (UEK-B) Urban, Otmar (UEK-B)_{RID, ORCID, SAI} Navrátil, M. (CZ) Špunda, V. (CZ) Robson, T.M. (ES) Marek, Michal V. (UEK-B)_{RID, ORCID, SAI}
Celkový počet autorů	6
Zdroj.dok.	Photosynthetica. - : Ústav experimentální botaniky AV ČR, v. v. i. - ISSN 0300-3604 Roč. 47, č. 3 (2009), s. 388-398
Poč.str.	11 s.
Jazyk dok.	eng - angličtina
Země vyd.	CZ - Česká republika
Klíč. slova	blue/red ratio ; electron transport ; non-photochemical quenching ; radiation duality ; Rubisco activation ; Transient limitations of photosynthesis.
Vědní obor RIV	ED - Fyziologie
CEP	IAA600870701 GA AV ČR - Akademie věd
	OC08022 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy
	GA522/07/0759 GA ČR - Grantová agentura ČR
CEZ	AV0Z60870520 - UEK-B (2005-2011)
UT WOS	000271672900010
Anotace	This study was designed to test the hypothesis that the spectral composition of incident radiation can affect photosynthetic induction, since B photons (B; λmax = 455 nm) stimulate stomatal opening and are more effectively absorbed by leaves than R photons (R; λmax = 625 nm). Different stages of photosynthetic induction, primarily determined by the photo-modulation of Rubisco activity and stomata opening, were investigated in dark-adapted leaves of Fagus sylvatica transferred to saturating irradiance [800μmol(photon) m–2 s–1] at B/R ratios of 1/3, 1/1, or 3/1. Photosynthesis was induced faster by irradiance with a high B/R ratio (3/1). However, there were no differences in induction between leaves receiving equal (1/1) and low (1/3) B/R ratios. Electron transport was highly sensitive to radiation quality, exhibiting faster induction kinetics with increasing B/R ratio. In contrast, the kinetics of stomatal opening was independent of the spectral composition of incoming radiation.
Pracoviště	Ústav výzkumu globální změny
Kontakt	Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268
Rok sběru	2010

Počet záznamů: 1