ArticleProceedings of the National Academy of Sciences of the United States of America2012
Control of electron transport routes through redox-regulated redistribution of respiratory complexes.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 53 papers.
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Who cites it
53 citing papers in PubMed, 106 citations in OpenAlex.
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- Energetics and Ecological Implications of Bacterial Electron Transport Chains.Environmental microbiology reports · 2026Review
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- Structure of cryptophyte photosystem II-light-harvesting antennae supercomplex.Nature communications · 2024Article
- Dynamic Changes in the Thylakoid Proteome of Cyanobacteria during Light-Regulated Thylakoid Membrane Development.Plants (Basel, Switzerland) · 2023Article
- Microcystin aids in cold temperature acclimation: Differences between a toxic Microcystis wildtype and non-toxic mutant.Harmful algae · 2023Article
- Locations of membrane protein production in a cyanobacterium.Journal of bacteriology · 2023Article
- Cool temperature acclimation in toxigenicbioRxiv : the preprint server for biology · 2023Article
- Microdomains heterogeneity in the thylakoid membrane proteins visualized by super-resolution microscopy.Photosynthetica · 2023Article
- Native architecture and acclimation of photosynthetic membranes in a fast-growing cyanobacterium.Plant physiology · 2022Article
- Evidence for Electron Transfer from the Bidirectional Hydrogenase to the Photosynthetic Complex I (NDH-1) in the CyanobacteriumMicroorganisms · 2022Article
- Dissection of respiratory and cyclic electron transport in Synechocystis sp. PCC 6803.Journal of plant research · 2022Article
- Functional basis of electron transport within photosynthetic complex I.Nature communications · 2021Article
- Characterizing the supercomplex association of photosynthetic complexes in cyanobacteria.Royal Society open science · 2021Article
- Probing the biogenesis pathway and dynamics of thylakoid membranes.Nature communications · 2021Article
- Fast Diffusion of the Unassembled PetC1-GFP Protein in the Cyanobacterial Thylakoid Membrane.Life (Basel, Switzerland) · 2020Article
- Molecular simulations unravel the molecular principles that mediate selective permeability of carboxysome shell protein.Scientific reports · 2020Article
- mRNA localization, reaction centre biogenesis and thylakoid membrane targeting in cyanobacteria.Nature plants · 2020Article
- Diurnal Regulation of In Vivo Localization and COLife (Basel, Switzerland) · 2020Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
Abstract
In cyanobacteria, respiratory electron transport takes place in close proximity to photosynthetic electron transport, because the complexes required for both processes are located within the thylakoid membranes. The balance of electron transport routes is crucial for cell physiology, yet the factors that control the predominance of particular pathways are poorly understood. Here we use a combination of tagging with green fluorescent protein and confocal fluorescence microscopy in live cells of the cyanobacterium Synechococcus elongatus PCC 7942 to investigate the distribution on submicron scales of two key respiratory electron donors, type-I NAD(P)H dehydrogenase (NDH-1) and succinate dehydrogenase (SDH). When cells are grown under low light, both complexes are concentrated in discrete patches in the thylakoid membranes, about 100-300 nm in diameter and containing tens to hundreds of complexes. Exposure to moderate light leads to redistribution of both NDH-1 and SDH such that they become evenly distributed within the thylakoid membranes. The effects of electron transport inhibitors indicate that redistribution of respiratory complexes is triggered by changes in the redox state of an electron carrier close to plastoquinone. Redistribution does not depend on de novo protein synthesis, and it is accompanied by a major increase in the probability that respiratory electrons are transferred to photosystem I rather than to a terminal oxidase. These results indicate that the distribution of complexes on the scale of 100-300 nm controls the partitioning of reducing power and that redistribution of electron transport complexes on these scales is a physiological mechanism to regulate the pathways of electron flow.
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