ArticleThe ISME journal2011
Transcriptional response of the photoheterotrophic marine bacterium Dinoroseobacter shibae to changing light regimes.
Article in The ISME journal, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers.
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Who cites it
46 citing papers in PubMed, 78 citations in OpenAlex.
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- Growth and mortality of aerobic anoxygenic phototrophs in the North Pacific Subtropical Gyre.Applied and environmental microbiology · 2024Article
- A photoheterotrophic bacterium from Iceland has adapted its photosynthetic machinery to the long days of polar summer.mSystems · 2024Article
- The blue light-dependent LOV-protein LdaP ofFrontiers in microbiology · 2024Article
- Diurnal cycles drive rhythmic physiology and promote survival in facultative phototrophic bacteria.ISME communications · 2023Article
- Transcriptome and Deletion Mutant Analyses Revealed that an RpoH Family Sigma Factor Is Essential for Photosystem Production in Roseateles depolymerans under Carbon Starvation.Microbes and environments · 2023Article
- A bacterium from a mountain lake harvests light using both proton-pumping xanthorhodopsins and bacteriochlorophyll-based photosystems.Proceedings of the National Academy of Sciences of the United States of America · 2022Article
- Three Novel Bacteria Associated with Two Centric Diatom Species from the Mediterranean Sea,International journal of molecular sciences · 2021Article
- TSPO protein binding partners in bacteria, animals, and plants.Journal of bioenergetics and biomembranes · 2021Review
- Adaptation of Dinoroseobacter shibae to oxidative stress and the specific role of RirA.PloS one · 2021Article
- Simultaneous Presence of Bacteriochlorophyll and Xanthorhodopsin Genes in a Freshwater Bacterium.mSystems · 2020Article
- Seasonal impact of grazing, viral mortality, resource availability and light on the group-specific growth rates of coastal Mediterranean bacterioplankton.Scientific reports · 2020Article
- Aerobic Production of Bacteriochlorophylls in the Filamentous Anoxygenic Photosynthetic Bacterium, Chloroflexus aurantiacus in the Light.Microbes and environments · 2020Article
- Bacterial Communities Show Algal Host (Frontiers in microbiology · 2020Article
- Diel changes and diversity of pufM expression in freshwater communities of anoxygenic phototrophic bacteria.Scientific reports · 2019Article
- Regulation of the Erythrobacter litoralis DSM 8509 general stress response by visible light.Molecular microbiology · 2019Article
- Integrated Transcriptional Regulatory Network of Quorum Sensing, Replication Control, and SOS Response inFrontiers in microbiology · 2019Article
Corrections and comments
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bacterial aerobic anoxygenic photosynthesis (AAP) is an important mechanism of energy generation in aquatic habitats, accounting for up to 5% of the surface ocean's photosynthetic electron transport. We used Dinoroseobacter shibae, a representative of the globally abundant marine Roseobacter clade, as a model organism to study the transcriptional response of a photoheterotrophic bacterium to changing light regimes. Continuous cultivation of D. shibae in a chemostat in combination with time series microarray analysis was used in order to identify gene-regulatory patterns after switching from dark to light and vice versa. The change from heterotrophic growth in the dark to photoheterotrophic growth in the light was accompanied by a strong but transient activation of a broad stress response to the formation of singlet oxygen, an immediate downregulation of photosynthesis-related genes, fine-tuning of the expression of ETC components, as well as upregulation of the transcriptional and translational apparatus. Furthermore, our data suggest that D. shibae might use the 3-hydroxypropionate cycle for CO(2) fixation. Analysis of the transcriptome dynamics after switching from light to dark showed relatively small changes and a delayed activation of photosynthesis gene expression, indicating that, except for light other signals must be involved in their regulation. Providing the first analysis of AAP on the level of transcriptome dynamics, our data allow the formulation of testable hypotheses on the cellular processes affected by AAP and the mechanisms involved in light- and stress-related gene regulation.
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