ArticleThe Plant cell2012
Operon flv4-flv2 provides cyanobacterial photosystem II with flexibility of electron transfer.
Article in The Plant cell, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 66 papers.
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Who cites it
66 citing papers in PubMed, 135 citations in OpenAlex.
- Interplay between photosynthetic electron flux and organic carbon sinks in sucrose-excreting Synechocystis sp. PCC 6803 revealed by omics approaches.Microbial cell factories · 2024Article
- Honoring two stalwarts of photosynthesis research: Eva-Mari Aro and Govindjee.Photosynthesis research · 2023Article
- Advances in Genetic Engineering in Improving Photosynthesis and Microalgal Productivity.International journal of molecular sciences · 2023Review
- Flv3A facilitates OThe New phytologist · 2023Article
- Native architecture and acclimation of photosynthetic membranes in a fast-growing cyanobacterium.Plant physiology · 2022Article
- Gene expression and organization of thylakoid protein complexes in the PSII-less mutant ofPlant direct · 2022Article
- Here comes the sun: How optimization of photosynthetic light reactions can boost crop yields.Journal of integrative plant biology · 2022Review
- Patterning of the Autotrophic, Mixotrophic, and Heterotrophic Proteomes of Oxygen-Evolving CyanobacteriumFrontiers in microbiology · 2022Article
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- Engineering Climate-Change-Resilient Crops: New Tools and Approaches.International journal of molecular sciences · 2021Review
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- Slr0320 Is Crucial for Optimal Function of Photosystem II during High Light Acclimation inLife (Basel, Switzerland) · 2021Article
- Expression of Flavodiiron Proteins Flv2-Flv4 in Chloroplasts of Arabidopsis and Tobacco Plants Provides Multiple Stress Tolerance.International journal of molecular sciences · 2021Article
- Stress Signaling in Cyanobacteria: A Mechanistic Overview.Life (Basel, Switzerland) · 2020Review
- Article
- Far-red absorption and light-use efficiency trade-offs in chlorophyll f photosynthesis.Nature plants · 2020Article
- Structural variability, coordination and adaptation of a native photosynthetic machinery.Nature plants · 2020Article
- Providing an Additional Electron Sink by the Introduction of Cyanobacterial Flavodiirons Enhances Growth ofFrontiers in plant science · 2020Article
- Proteome Mapping of a Cyanobacterium Reveals Distinct Compartment Organization and Cell-Dispersed Metabolism.Plant physiology · 2019Article
- The Fluctuating Cell-Specific Light Environment and Its Effects on Cyanobacterial Physiology.Plant physiology · 2019Article
6 more citing papers are in PubMed but not listed here.
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Authors and funding
9 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Synechocystis sp PCC 6803 has four genes encoding flavodiiron proteins (FDPs; Flv1 to Flv4). Here, we investigated the flv4-flv2 operon encoding the Flv4, Sll0218, and Flv2 proteins, which are strongly expressed under low inorganic carbon conditions (i.e., air level of CO(2)) but become repressed at elevated CO(2) conditions. Different from FDP homodimers in anaerobic microbes, Synechocystis Flv2 and Flv4 form a heterodimer. It is located in cytoplasm but also has a high affinity to membrane in the presence of cations. Sll0218, on the contrary, resides in the thylakoid membrane in association with a high molecular mass protein complex. Sll0218 operates partially independently of Flv2/Flv4. It stabilizes the photosystem II (PSII) dimers, and according to biophysical measurements opens up a novel electron transfer pathway to the Flv2/Flv4 heterodimer from PSII. Constructed homology models suggest efficient electron transfer in heterodimeric Flv2/Flv4. It is suggested that Flv2/Flv4 binds to thylakoids in light, mediates electron transfer from PSII, and concomitantly regulates the association of phycobilisomes with PSII. The function of the flv4-flv2 operon provides many β-cyanobacteria with a so far unknown photoprotection mechanism that evolved in parallel with oxygen-evolving PSII.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.