ArticleJournal of bacteriology2011
Physiological roles of the cyAbrB transcriptional regulator pair Sll0822 and Sll0359 in Synechocystis sp. strain PCC 6803.
Article in Journal of bacteriology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 30 papers.
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Who cites it
30 citing papers in PubMed.
- Low COPlant, cell & environment · 2026Article
- From photosynthetic electron flow to gene regulation: redox signal transduction in cyanobacteria.FEMS microbiology reviews · 2026Review
- CyAbrB2 is a nucleoid-associated protein ineLife · 2024Article
- Deep Proteogenomics of a Photosynthetic Cyanobacterium.Journal of proteome research · 2023Article
- Article
- Site-2 Protease Slr1821 Regulates Carbon/Nitrogen Homeostasis during Ammonium Stress Acclimation in CyanobacteriumInternational journal of molecular sciences · 2023Article
- Changes in intracellular energetic and metabolite states due to increased galactolipid levels in Synechococcus elongatus PCC 7942.Scientific reports · 2023Article
- Expression of the Cyanobacterial FMicrobiology spectrum · 2022Article
- Rubisco regulation in response to altered carbon status in the cyanobacterium Synechococcus elongatus PCC 7942.Plant physiology · 2022Article
- Structural Determinants and Their Role in Cyanobacterial Morphogenesis.Life (Basel, Switzerland) · 2020Review
- CfrA, a Novel Carbon Flow Regulator, Adapts Carbon Metabolism to Nitrogen Deficiency in Cyanobacteria.Plant physiology · 2020Article
- Stress Signaling in Cyanobacteria: A Mechanistic Overview.Life (Basel, Switzerland) · 2020Review
- Carbon/nitrogen homeostasis control in cyanobacteria.FEMS microbiology reviews · 2020Review
- cyAbrB Transcriptional Regulators as Safety Devices To Inhibit Heterocyst Differentiation inJournal of bacteriology · 2019Article
- Oxidation of Translation Factor EF-Tu Inhibits the Repair of Photosystem II.Plant physiology · 2018Article
- Regulatory components of carbon concentrating mechanisms in aquatic unicellular photosynthetic organisms.Plant cell reports · 2017Review
- Determination of the Glycogen Content in Cyanobacteria.Journal of visualized experiments : JoVE · 2017Article
- Role of Type 2 NAD(P)H Dehydrogenase NdbC in Redox Regulation of Carbon Allocation inPlant physiology · 2017Article
- Integrated Transcriptomic and Metabolomic Characterization of the Low-Carbon Response Using an ndhR Mutant of Synechocystis sp. PCC 6803.Plant physiology · 2015Article
- Integrated Analysis of Engineered Carbon Limitation in a Quadruple CO2/HCO3- Uptake Mutant of Synechocystis sp. PCC 6803.Plant physiology · 2015Article
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4 authors.
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Abstract
All known cyanobacterial genomes possess multiple copies of genes encoding AbrB-like transcriptional regulators, known as cyAbrBs, which are distinct from those conserved among other bacterial species. In this study, we addressed the physiological roles of Sll0822 and Sll0359, the two cyAbrBs in Synechocystis sp. strain PCC 6803, under nonstress conditions (20 μmol of photons m⁻² s⁻¹ in ambient CO₂). When the sll0822 gene was disrupted, the expression levels of nitrogen-related genes such as urtA, amt1, and glnB significantly decreased compared with those in the wild-type cells. Possibly due to the increase of the cellular carbon/nitrogen ratio in the sll0822-disrupted cells, a decrease in pigment contents, downregulation of carbon-uptake related genes, and aberrant accumulation of glycogen took place. Moreover, the mutant exhibited the decrease in the expression level of cytokinesis-related genes such as ftsZ and ftsQ, resulting in the defect in cell division and significant increase in cell size. The pleiotrophic phenotype of the mutant was efficiently suppressed by the introduction of Sll0822 and also partially suppressed by the introduction of Sll0359. When His-tagged cyAbrBs were purified from overexpression strains, Sll0359 and Sll0822 were copurified with each other. The cyAbrBs in Synechocystis sp. strain PCC 6803 seem to interact with each other and regulate carbon and nitrogen metabolism as well as the cell division process under nonstress conditions.
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