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Statements

Subject Item
n2:RIV%2F61389030%3A_____%2F08%3A00315790%21RIV09-AV0-61389030
rdf:type
skos:Concept n15:Vysledek
dcterms:description
In these work we presented results that huge zeaxanthin formation in barley leaves treated with methyl viologen at moderate light was accompanied by an unusually slight increase in non-photochemical quenching. We demonstrated that the electron transport rate in thylakoid membranes was limited by light, implying that the lumen acidification in treated leaves was not sufficient for the formation of Z-dependent quenching centers. Our results support the view that VDE in vivo is active even at normal light conditions In these work we presented results that huge zeaxanthin formation in barley leaves treated with methyl viologen at moderate light was accompanied by an unusually slight increase in non-photochemical quenching. We demonstrated that the electron transport rate in thylakoid membranes was limited by light, implying that the lumen acidification in treated leaves was not sufficient for the formation of Z-dependent quenching centers. Our results support the view that VDE in vivo is active even at normal light conditions Práce se zabývá nerovnováhou mezi výraznou akumulaci zeaxanthinu a pouze nízkým nárůstem nefotochemického zhášení na mírném světle v listech ječmene jarního infiltrovaných methyl viologenem. Bylo ukázáno, že tato nerovnováha je způsobená limitací transportu elektronů v thylakoidní membráně. Tedy nedochází k acidifikaci lumenu v takové míře, která by byla dostačující pro vznik zhášecích center. Potvrdili jsme hypotézu, že enzym VDE je in vivo aktivní i za nižších intenzit světla, při slabé acidifikaci lumenu
dcterms:title
A pronounced light-induced zeaxanthin formation accompanied by an unusually slight increase in non-photochemical quenching: A study with barley leaves treated with methyl viologen at moderate light Výrazná světlem indukovaná akumulace zeaxanthinu doprovázena nezvykle nízkým nárůstem nefotochemického zhášení: Studium na listech ječmene vystavených methyl viologenu a mírnému světlu A pronounced light-induced zeaxanthin formation accompanied by an unusually slight increase in non-photochemical quenching: A study with barley leaves treated with methyl viologen at moderate light
skos:prefLabel
A pronounced light-induced zeaxanthin formation accompanied by an unusually slight increase in non-photochemical quenching: A study with barley leaves treated with methyl viologen at moderate light A pronounced light-induced zeaxanthin formation accompanied by an unusually slight increase in non-photochemical quenching: A study with barley leaves treated with methyl viologen at moderate light Výrazná světlem indukovaná akumulace zeaxanthinu doprovázena nezvykle nízkým nárůstem nefotochemického zhášení: Studium na listech ječmene vystavených methyl viologenu a mírnému světlu
skos:notation
RIV/61389030:_____/08:00315790!RIV09-AV0-61389030
n3:aktivita
n4:S n4:P n4:Z
n3:aktivity
P(GA206/05/0335), P(GA522/06/0979), S, Z(AV0Z50200510), Z(AV0Z50380511), Z(MSM6198959215)
n3:cisloPeriodika
15
n3:dodaniDat
n10:2009
n3:domaciTvurceVysledku
n8:3686957
n3:druhVysledku
n16:J
n3:duvernostUdaju
n9:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
354411
n3:idVysledku
RIV/61389030:_____/08:00315790
n3:jazykVysledku
n17:eng
n3:klicovaSlova
methyl viologen; oxidative stress; thylakoid membrane
n3:klicoveSlovo
n6:oxidative%20stress n6:methyl%20viologen n6:thylakoid%20membrane
n3:kodStatuVydavatele
PT - Portugalská republika
n3:kontrolniKodProRIV
[DF60C64AB444]
n3:nazevZdroje
Journal of Plant Physiology
n3:obor
n14:EE
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
6
n3:projekt
n7:GA522%2F06%2F0979 n7:GA206%2F05%2F0335
n3:rokUplatneniVysledku
n10:2008
n3:svazekPeriodika
165
n3:tvurceVysledku
Ilík, P. Kotabová, Eva Kyseláková, H. Lípová, L. Novák, Ondřej Kaňa, Radek
n3:wos
000260419300002
n3:zamer
n11:AV0Z50380511 n11:AV0Z50200510 n11:MSM6198959215
s:issn
0176-1617
s:numberOfPages
9