Distinct Roles of Multiple NDH-1 Complexes in the Cyanobacterial Electron Transport Network as Revealed by Kinetic Analysis of P700 + Reduction in Various ndh -Deficient Mutants of Synechocystis sp. Strain PCC6803-Reference-Cited by-同舟云学术

Distinct Roles of Multiple NDH-1 Complexes in the Cyanobacterial Electron Transport Network as Revealed by Kinetic Analysis of P700 + Reduction in Various ndh -Deficient Mutants of Synechocystis sp. Strain PCC6803

Published:2011-01 Issue:1 Volume:193 Page:292-295
ISSN:0021-9193
Container-title:Journal of Bacteriology
language:en
Short-container-title:J Bacteriol

Author:

Bernát Gábor¹,Appel Jens²,Ogawa Teruo¹,Rögner Matthias¹

Affiliation:

1. Plant Biochemistry, Ruhr University Bochum, D-44780 Bochum, Germany

2. School of Life Sciences, Arizona State University, 1711 S. Rural Road, Tempe, Arizona 85287

Abstract

ABSTRACT While methyl viologen had only a small effect on P700 + rereduction kinetics after far-red pulses in KCN-treated wild-type Synechocystis sp. strain PCC6803 and an NdhF3/NdhF4 (NdhF3/F4)-defective mutant, it involved a rather slow P700 + rereduction in an NdhF1-defective mutant. This strongly indicates that (i) active electron flow from metabolites to plastoquinone is suppressed upon deletion of ndhF1 and (ii) photosystem 1-mediated cyclic electron transport is dependent on NdhF3/F4-type NDH-1 complexes.

Publisher

American Society for Microbiology

Subject

Molecular Biology,Microbiology

Link

https://journals.asm.org/doi/pdf/10.1128/JB.00984-10

Reference19 articles.

1. Battchikova, N., and E. M. Aro. 2007. Cyanobacterial NDH-1 complexes: multiplicity in function and subunit composition. Physiol. Plant. 131:22-32.

2. Bernát, G., N. Waschewski, and M. Rögner. 2009. Towards efficient hydrogen production: the impact of antenna size and external factors on electron transport dynamics in Synechocystis PCC 6803. Photosynth. Res. 99:205-216.

3. Succinate:Quinol Oxidoreductases in the Cyanobacterium Synechocystis sp. Strain PCC 6803: Presence and Function in Metabolism and Electron Transport

4. Succinate Dehydrogenase and Other Respiratory Pathways in Thylakoid Membranes of Synechocystis sp. Strain PCC 6803: Capacity Comparisons and Physiological Function

5. Gutthann, F., M. Egert, A. Marques, and J. Appel. 2007. Inhibition of respiration and nitrate assimilation enhances photohydrogen evolution under low oxygen concentration in Synechocystis sp. PCC 6803. Biochim. Biophys. Acta 1767:161-169.

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