About: Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre

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About: Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Sledovali jsme fotooxidaci beta-karotenu a periferního chlorofylu reakčního centra fotosystému II při pokojové teplotě. B-karoten se oxiduje jako důsledek ochrany primárního donoru RC PSII. (cs) Differential kinetic absorption spectra were measured during actinic illumination of photosystem II reaction centres and core complexes in the presence of electron acceptors silicomolybdate and ferricyanide. The spectra of samples with ferricyanide differ from those with both ferricyanide and silicomolybdate. Near-infrared spectra show temporary beta-carotene and peripheral chlorophyll oxidation during room temperature actinic illumination. Peripheral chlorophyll is photooxidized even after decay of beta-carotene oxidation activity and significant reduction of beta-carotene content in both reaction centres and photosystem II core complexes. Besides, new carotenoid cation is observed after about 1 s of actinic illumination in the reaction centres when silicomolybdate is present. Similar result was observed in PSII core complexes. HPLC analyses of illuminated reaction centres reveal several novel carotenoids, whereas no new carotenoid species were observed in HPLC of illuminated core complexes. Our data Differential kinetic absorption spectra were measured during actinic illumination of photosystem II reaction centres and core complexes in the presence of electron acceptors silicomolybdate and ferricyanide. The spectra of samples with ferricyanide differ from those with both ferricyanide and silicomolybdate. Near-infrared spectra show temporary beta-carotene and peripheral chlorophyll oxidation during room temperature actinic illumination. Peripheral chlorophyll is photooxidized even after decay of beta-carotene oxidation activity and significant reduction of beta-carotene content in both reaction centres and photosystem II core complexes. Besides, new carotenoid cation is observed after about 1 s of actinic illumination in the reaction centres when silicomolybdate is present. Similar result was observed in PSII core complexes. HPLC analyses of illuminated reaction centres reveal several novel carotenoids, whereas no new carotenoid species were observed in HPLC of illuminated core complexes. Our data (en)
Title	Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre Fotooxidace beta-karotenu a periferního chlorofylu reakčního centra fotosystému II při pokojové teplotě (cs) Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre (en)
skos:prefLabel	Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre Fotooxidace beta-karotenu a periferního chlorofylu reakčního centra fotosystému II při pokojové teplotě (cs) Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre (en)
skos:notation	RIV/60076658:12640/08:00009204!RIV09-MSM-12640___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA206/06/0322), P(IAA608170604), Z(AV0Z50510513), Z(MSM6007665808)
http://linked.open...iv/cisloPeriodika	1-3
http://linked.open...vai/riv/dodaniDat	2009
http://linked.open...aciTvurceVysledku	Bína, David Vácha, František Litvín, Radek
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	Jihočeská univerzita v Českých Budějovicích / Ústav fyzikální biologie
http://linked.open...dnocenehoVysledku	393288
http://linked.open...ai/riv/idVysledku	RIV/60076658:12640/08:00009204
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Photosystem II; Reaction centre; beta-Carotene; Oxidation; Silicomolybdate; Ferricyanide (en)
http://linked.open.../riv/klicoveSlovo	Photosystem II beta-Carotene Oxidation Ferricyanide Reaction centre Silicomolybdate
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[73F0FE46CA69]
http://linked.open...i/riv/nazevZdroje	Photosynthesis Research
http://linked.open...in/vavai/riv/obor	BO
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Structural dynamics of the Photosystem II complex as an essential part of the cyanobacterial stress physiology response Functions of carotenoids in photosynthetic antennae: light harvesting and beyond
http://linked.open...UplatneniVysledku	2008
http://linked.open...v/svazekPeriodika	98
http://linked.open...iv/tvurceVysledku	Vácha, František Litvín, Radek Bína, David
http://linked.open...ain/vavai/riv/wos	000261577900016
http://linked.open...n/vavai/riv/zamer	Výzkum struktury genetické informace rostlin a jejich patogenů na molekulární úrovni, indukce a analýza cílených změn genomu a plastomu a studium fotosyntetických procesů a projevů dědičnosti v interakci s prostředím a patogeny Fyzikální biologie -nové přístupy v biologickém výzkumu
issn	0166-8595
number of pages	9 (xsd:int)
http://localhost/t...ganizacniJednotka	12640
is http://linked.open...avai/riv/vysledek of	Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre Room temperature photooxidation of β-carotene and peripheral chlorophyll in photosystem II reaction centre

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