About: Discovery of a Chllorophyll Binding Protein Complex Involved in the Early Steps of Photosystem II Assembly in Synechocystis

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Efficient assembly and repair of the oxygen-evolving photosystem II (PSII) complex is vital for maintaining photosynthetic activity in plants, algae, and cyanobacteria. How chlorophyll is delivered to PSII during assembly and how vulnerable assembly complexes are protected from photodamage are unknown. Here, we identify a chlorophyll and beta-carotene binding protein complex in the cyanobacterium Synechocystis PCC 6803 important for formation of the D1/D2 reaction center assembly complex. It is composed of putative short-chain dehydrogenase/reductase Ycf39, encoded by the slr0399 gene, and two members of the high-light-inducible protein (Hlip) family, HliC and HliD, which are small membrane proteins related to the light-harvesting chlorophyll binding complexes found in plants. Perturbed chlorophyll recycling in a Ycf39-null mutant and copurification of chlorophyll synthase and unassembled D1 with the Ycf39-Hlip complex indicate a role in the delivery of chlorophyll to newly synthesized D1. Sequence similarities suggest the presence of a related complex in chloroplasts. Efficient assembly and repair of the oxygen-evolving photosystem II (PSII) complex is vital for maintaining photosynthetic activity in plants, algae, and cyanobacteria. How chlorophyll is delivered to PSII during assembly and how vulnerable assembly complexes are protected from photodamage are unknown. Here, we identify a chlorophyll and beta-carotene binding protein complex in the cyanobacterium Synechocystis PCC 6803 important for formation of the D1/D2 reaction center assembly complex. It is composed of putative short-chain dehydrogenase/reductase Ycf39, encoded by the slr0399 gene, and two members of the high-light-inducible protein (Hlip) family, HliC and HliD, which are small membrane proteins related to the light-harvesting chlorophyll binding complexes found in plants. Perturbed chlorophyll recycling in a Ycf39-null mutant and copurification of chlorophyll synthase and unassembled D1 with the Ycf39-Hlip complex indicate a role in the delivery of chlorophyll to newly synthesized D1. Sequence similarities suggest the presence of a related complex in chloroplasts. (en)
Title	Discovery of a Chllorophyll Binding Protein Complex Involved in the Early Steps of Photosystem II Assembly in Synechocystis Discovery of a Chllorophyll Binding Protein Complex Involved in the Early Steps of Photosystem II Assembly in Synechocystis (en)
skos:prefLabel	Discovery of a Chllorophyll Binding Protein Complex Involved in the Early Steps of Photosystem II Assembly in Synechocystis Discovery of a Chllorophyll Binding Protein Complex Involved in the Early Steps of Photosystem II Assembly in Synechocystis (en)
skos:notation	RIV/61388971:_____/14:00440348!RIV15-AV0-61388971
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(ED2.1.00/03.0110)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Halada, Petr Tichý, Martin Sobotka, Roman Komenda, Josef Knoppová, Jana
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	Mikrobiologický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	11677
http://linked.open...ai/riv/idVysledku	RIV/61388971:_____/14:00440348
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Synechocystis; photosystem II; assembly; proteins (en)
http://linked.open.../riv/klicoveSlovo	assembly proteins Synechocystis photosystem II
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[5FAEFF4806E3]
http://linked.open...i/riv/nazevZdroje	Plant Cell
http://linked.open...in/vavai/riv/obor	EE
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of Algal Biotechnology Třeboň (Algatech)
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	26
http://linked.open...iv/tvurceVysledku	Halada, Petr Koník, P. Sobotka, Roman Tichý, Martin Komenda, Josef Nixon, P. J. Knoppová, Jana Jianfeng, Yu
http://linked.open...ain/vavai/riv/wos	000334932700029
issn	1040-4651
number of pages	13 (xsd:int)

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