Association of small CAB-like proteins (SCPs) of Synechocystis sp. PCC 6803 with Photosystem II.

Association of small CAB-like proteins (SCPs) of Synechocystis sp. PCC 6803 with Photosystem II. Research Abstract Details 

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Association of small CAB-like proteins (SCPs) of Synechocystis sp. PCC 6803 with Photosystem II. Abstract Text:

Galyna Kufryk,Miguel A Hernandez-Prieto,Thomas Kieselbach,Helder Miranda,Wim Vermaas,Christiane Funk,

The cyanobacterial small CAB-like proteins (SCPs) are one-helix proteins with compelling similarity to the first and third transmembrane helix of proteins belonging to the CAB family of light-harvesting complex proteins in plants. The SCP proteins are transiently expressed at high light intensity and other stress conditions but their exact function remains largely unknown. Recently we showed association of ScpD with light-stressed, monomeric Photosystem II in Synechocystis sp. PCC 6803 (Yao et al. J Biol Chem 282:267-276, 2007). Here we show that ScpB associates with Photosystem II at normal growth conditions. Moreover, upon introduction of a construct into Synechocystis so that ScpB is expressed continuously under normal growth conditions, ScpE was detected under non-stressed conditions as well, and was copurified with tagged ScpB and Photosystem II. We also report on a one-helix protein, Slr1544, that is somewhat similar to the SCPs and whose gene is cotranscribed with that of ScpD; Slr1544 is another member of the extended light-harvesting-like (Lil) protein family, and we propose to name it LilA.

Association of small CAB-like proteins (SCPs) of Synechocystis sp. PCC 6803 with Photosystem II. Publishing Authors By Initials

G Kufryk,MA Hernandez-Prieto,T Kieselbach,H Miranda,W Vermaas,C Funk,

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Association of small CAB-like proteins (SCPs) of Synechocystis sp. PCC 6803 with Photosystem II. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Photosynthesis research

VOLUME: 95

Page Numbers: 135-45

Journal Abbreviation: Photosyn. Res.

ISSN: 0166-8595

DAY: 3

MONTH: 10

YEAR: 2007

Association of small CAB-like proteins (SCPs) of Synechocystis sp. PCC 6803 with Photosystem II. Information

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LANGUAGE: eng

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Grant and Affiliation Information for Association of small CAB-like proteins (SCPs) of Synechocystis sp. PCC 6803 with Photosystem II.

AFFILIATION: Department of Chemistry, Umeå University, Umeå, 901 87, Sweden, Christiane.Funk@chem.umu.se.

Country: Netherlands

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MEDLINETA: Photosynth Res

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