ArticleJournal of bacteriology2008
Differential transcriptional analysis of the cyanobacterium Cyanothece sp. strain ATCC 51142 during light-dark and continuous-light growth.
Article in Journal of bacteriology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers.
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Who cites it
69 citing papers in PubMed, 149 citations in OpenAlex.
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- Reactivation and long-term stabilization of the [NiFe] Hox hydrogenase of Synechocystis sp. PCC6803 by glutathione after oxygen exposure.The Journal of biological chemistry · 2025Article
- Proteomic changes orchestrate metabolic acclimation of a unicellular diazotrophic cyanobacterium during light-dark cycle and nitrogen fixation states.bioRxiv : the preprint server for biology · 2024Article
- Proteomic analysis of unicellular cyanobacteriumbioRxiv : the preprint server for biology · 2024Article
- Heterotrophy among Cyanobacteria.ACS omega · 2023Review
- The host niches of soybean rather than genetic modification or glyphosate application drive the assembly of root-associated microbial communities.Microbial biotechnology · 2022Article
- Photosynthetic modulation during the diurnal cycle in a unicellular diazotrophic cyanobacterium grown under nitrogen-replete and nitrogen-fixing conditions.Scientific reports · 2022Article
- Exploring the Diversity of the Thioredoxin Systems in Cyanobacteria.Antioxidants (Basel, Switzerland) · 2022Review
- Temporal Patterns and Intra- and Inter-Cellular Variability in Carbon and Nitrogen Assimilation by the Unicellular CyanobacteriumFrontiers in microbiology · 2021Article
- Restoration, conservation and phytoplankton hysteresis.Conservation physiology · 2021Article
- Electron & Biomass Dynamics ofFrontiers in microbiology · 2021Article
- The diversity and distribution of D1 proteins in cyanobacteria.Photosynthesis research · 2020Article
- Thioredoxin targets are regulated in heterocysts of cyanobacterium Anabaena sp. PCC 7120 in a light-independent manner.Journal of experimental botany · 2020Article
- Differential Effects of Varying Concentrations of Phosphorus, Iron, and Nitrogen in NFrontiers in microbiology · 2020Article
- Regulation of PSII function in Cyanothece sp. ATCC 51142 during a light-dark cycle.Photosynthesis research · 2019Article
- Article
- Analysis of Protein Complexes in the Unicellular Cyanobacterium Cyanothece ATCC 51142.Journal of proteome research · 2018Article
9 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We analyzed the metabolic rhythms and differential gene expression in the unicellular, diazotrophic cyanobacterium Cyanothece sp. strain ATCC 51142 under N(2)-fixing conditions after a shift from normal 12-h light-12-h dark cycles to continuous light. We found that the mRNA levels of approximately 10% of the genes in the genome demonstrated circadian behavior during growth in free-running (continuous light) conditions. The genes for N(2) fixation displayed a strong circadian behavior, whereas photosynthesis and respiration genes were not as tightly regulated. One of our main objectives was to determine the strategies used by these cells to perform N(2) fixation under normal day-night conditions, as well as under the greater stress caused by continuous light. We determined that N(2) fixation cycled in continuous light but with a lower N(2) fixation activity. Glycogen degradation, respiration, and photosynthesis were also lower; nonetheless, O(2) evolution was about 50% of the normal peak. We also demonstrated that nifH (encoding the nitrogenase Fe protein), nifB, and nifX were strongly induced in continuous light; this is consistent with the role of these proteins during the assembly of the enzyme complex and suggested that the decreased N(2) fixation activity was due to protein-level regulation or inhibition. Many soluble electron carriers (e.g., ferredoxins), as well as redox carriers (e.g., thioredoxin and glutathione), were strongly induced during N(2) fixation in continuous light. We suggest that these carriers are required to enhance cyclic electron transport and phosphorylation for energy production and to maintain appropriate redox levels in the presence of elevated O(2), respectively.
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