Open reading frame ssr2016 is required for antimycin A-sensitive photosystem I-driven cyclic electron flow in the cyanobacterium Synechocystis sp. PCC 6803

Nataliya Yeremenko; Robert Jeanjean; Peerada Prommeenate; Vladimir Krasikov; Peter J. Nixon; Willem Vermaas; Michel Havaux; Hans C P Matthijs

doi:10.1093/pcp/pci147

Open reading frame ssr2016 is required for antimycin A-sensitive photosystem I-driven cyclic electron flow in the cyanobacterium Synechocystis sp. PCC 6803

Nataliya Yeremenko, Robert Jeanjean, Peerada Prommeenate, Vladimir Krasikov, Peter J. Nixon, Willem Vermaas, Michel Havaux, Hans C P Matthijs

Research output: Contribution to journal › Article › peer-review

82 Scopus citations

Abstract

Open reading frame ssr2016 encodes a protein with substantial sequence similarities to PGR5 identified as a component of the antimycin A-sensitive ferredoxin:plastoquinone reductase (FQR) in PSI cyclic photophosphorylation in Arabidopsis thaliana. We studied cyclic electron flow in Synechocystis sp. PCC 6803 in vivo in ssr2016 deletion mutants generated either in a wild-type background or in a ndhB deletion mutant. Our results indicate that ssr2016 is required for FQR and that it operates in a parallel pathway to the NDH1 complex. The ssr2016 deletion mutants are high light sensitive, suggesting that FQR might be important in controlling redox poise under adverse conditions.

Original language	English (US)
Pages (from-to)	1433-1436
Number of pages	4
Journal	Plant and Cell Physiology
Volume	46
Issue number	8
DOIs	https://doi.org/10.1093/pcp/pci147
State	Published - Aug 1 2005

Keywords

Antimycin A
Ferredoxin quinone reductase
Photosystem I cyclic electron transport
Synechocystis sp. PCC 6803
ssr2016

ASJC Scopus subject areas

Physiology
Plant Science
Cell Biology

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Open reading frame ssr2016 is required for antimycin A-sensitive photosystem I-driven cyclic electron flow in the cyanobacterium Synechocystis sp. PCC 6803. / Yeremenko, Nataliya; Jeanjean, Robert; Prommeenate, Peerada; Krasikov, Vladimir; Nixon, Peter J.; Vermaas, Willem; Havaux, Michel; Matthijs, Hans C P.

In: Plant and Cell Physiology, Vol. 46, No. 8, 01.08.2005, p. 1433-1436.

Research output: Contribution to journal › Article › peer-review

Yeremenko, Nataliya ; Jeanjean, Robert ; Prommeenate, Peerada ; Krasikov, Vladimir ; Nixon, Peter J. ; Vermaas, Willem ; Havaux, Michel ; Matthijs, Hans C P. / Open reading frame ssr2016 is required for antimycin A-sensitive photosystem I-driven cyclic electron flow in the cyanobacterium Synechocystis sp. PCC 6803. In: Plant and Cell Physiology. 2005 ; Vol. 46, No. 8. pp. 1433-1436.

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abstract = "Open reading frame ssr2016 encodes a protein with substantial sequence similarities to PGR5 identified as a component of the antimycin A-sensitive ferredoxin:plastoquinone reductase (FQR) in PSI cyclic photophosphorylation in Arabidopsis thaliana. We studied cyclic electron flow in Synechocystis sp. PCC 6803 in vivo in ssr2016 deletion mutants generated either in a wild-type background or in a ndhB deletion mutant. Our results indicate that ssr2016 is required for FQR and that it operates in a parallel pathway to the NDH1 complex. The ssr2016 deletion mutants are high light sensitive, suggesting that FQR might be important in controlling redox poise under adverse conditions.",

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AU - Prommeenate, Peerada

AU - Krasikov, Vladimir

AU - Nixon, Peter J.

AU - Vermaas, Willem

AU - Havaux, Michel

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