About: Highly efficient energy transfer from a carbonyl carotenoid to chlorophyll a in the main light harvesting complex of Chromera velia

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About: Highly efficient energy transfer from a carbonyl carotenoid to chlorophyll a in the main light harvesting complex of Chromera velia Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We report on energy transfer pathways in the main light-harvesting complex of photosynthetic relative of apicomplexan parasites, Chromera velia. This complex, denoted CLH, belongs to the family of FCP proteins and contains chlorophyll (Chl) a, violaxanthin, and the so far unidentified carbonyl carotenoid related to isofucoxanthin. The overall carotenoid-to-Chl-a energy transfer exhibits efficiency over 90% which is the largest among the FCP-like proteins studied so far. Three spectroscopically different isofucoxanthin-like molecules were identified in CLH, each having slightly different energy transfer efficiency that increases from isofucoxanthin-like molecules absorbing in the blue part of the spectrum to those absorbing in the reddest part of spectrum. Part of the energy transfer from carotenoids proceeds via the ultrafast S-2 channel of both the violaxanthin and isofucoxanthin-like carotenoid, but major energy transfer pathway proceeds via the S-1/ICT state of the isofucoxanthin-like carotenoid. We report on energy transfer pathways in the main light-harvesting complex of photosynthetic relative of apicomplexan parasites, Chromera velia. This complex, denoted CLH, belongs to the family of FCP proteins and contains chlorophyll (Chl) a, violaxanthin, and the so far unidentified carbonyl carotenoid related to isofucoxanthin. The overall carotenoid-to-Chl-a energy transfer exhibits efficiency over 90% which is the largest among the FCP-like proteins studied so far. Three spectroscopically different isofucoxanthin-like molecules were identified in CLH, each having slightly different energy transfer efficiency that increases from isofucoxanthin-like molecules absorbing in the blue part of the spectrum to those absorbing in the reddest part of spectrum. Part of the energy transfer from carotenoids proceeds via the ultrafast S-2 channel of both the violaxanthin and isofucoxanthin-like carotenoid, but major energy transfer pathway proceeds via the S-1/ICT state of the isofucoxanthin-like carotenoid. (en)
Title	Highly efficient energy transfer from a carbonyl carotenoid to chlorophyll a in the main light harvesting complex of Chromera velia Highly efficient energy transfer from a carbonyl carotenoid to chlorophyll a in the main light harvesting complex of Chromera velia (en)
skos:prefLabel	Highly efficient energy transfer from a carbonyl carotenoid to chlorophyll a in the main light harvesting complex of Chromera velia Highly efficient energy transfer from a carbonyl carotenoid to chlorophyll a in the main light harvesting complex of Chromera velia (en)
skos:notation	RIV/60077344:_____/14:00433725!RIV15-GA0-60077344
http://linked.open...avai/riv/aktivita	I P S
http://linked.open...avai/riv/aktivity	I, P(EE2.3.30.0049), P(GAP205/11/1164), P(GBP501/12/G055), S
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Bína, David Polívka, Tomáš Vácha, František Durchan, Milan Litvín, Radek Tichý, Josef
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	Biologické centrum AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	19140
http://linked.open...ai/riv/idVysledku	RIV/60077344:_____/14:00433725
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Energy transfer; Light-harvesting; Carbonyl carotenoids (en)
http://linked.open.../riv/klicoveSlovo	Carbonyl carotenoids Energy transfer Light-harvesting
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[2E2D6E5843FB]
http://linked.open...i/riv/nazevZdroje	Biochimica Et Biophysica Acta-Bioenergetics
http://linked.open...in/vavai/riv/obor	BO
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	10 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of postdoc positions on USB Photosynthesis Research Center Excitation energy transfer in pigment-protein complexes of microorganisms
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	1837
http://linked.open...iv/tvurceVysledku	Fuciman, M. Polívka, Tomáš Vácha, František Durchan, Milan Šlouf, M. Litvín, Radek Tichý, Josef Kesan, G. Bína, David Staleva, H.
http://linked.open...ain/vavai/riv/wos	000342273200018
issn	0005-2728
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.bbabio.2014.06.001

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