ArticleScientific reports2019
Diel changes and diversity of pufM expression in freshwater communities of anoxygenic phototrophic bacteria.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 44 citations in OpenAlex.
- Genome-resolved adaptation strategies ofApplied and environmental microbiology · 2025Article
- Minimal transcriptional regulation of horizontally transferred photosynthesis genes in phototrophic bacteriummSystems · 2024Article
- Response of aerobic anoxygenic phototrophic bacteria to limitation and availability of organic carbon.FEMS microbiology ecology · 2024Article
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- A photoheterotrophic bacterium from Iceland has adapted its photosynthetic machinery to the long days of polar summer.mSystems · 2024Article
- Diurnal cycles drive rhythmic physiology and promote survival in facultative phototrophic bacteria.ISME communications · 2023Article
- Distribution, abundance, and ecogenomics of themSystems · 2023Article
- Diversity dynamics of aerobic anoxygenic phototrophic bacteria in a freshwater lake.Environmental microbiology reports · 2023Article
- Seasonal Dynamics of Lake Winnipeg's Microbial Communities Reveal Aerobic Anoxygenic Phototrophic Populations Coincide with Sunlight Availability.Microorganisms · 2022Article
- Photoheterotrophy by aerobic anoxygenic bacteria modulates carbon fluxes in a freshwater lake.The ISME journal · 2022Article
- Phylum Gemmatimonadota and Its Role in the Environment.Microorganisms · 2022Review
- Diversity of Aerobic Anoxygenic Phototrophs and Rhodopsin-Containing Bacteria in the Surface Microlayer, Water Column and Epilithic Biofilms of Lake Baikal.Microorganisms · 2021Article
- Characterization of the Aerobic Anoxygenic Phototrophic BacteriumMicroorganisms · 2021Article
- Common Presence of PhototrophicmSystems · 2021Article
- Article
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Authors and funding
6 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The anoxygenic phototrophic bacteria (APB) are an active component of aquatic microbial communities. While DNA-based studies have delivered a detailed picture of APB diversity, they cannot provide any information on the activity of individual species. Therefore, we focused on the expression of a photosynthetic gene by APB communities in two freshwater lakes (Cep lake and the Římov Reservoir) in the Czech Republic. First, we analyzed expression levels of pufM during the diel cycle using RT-qPCR. The transcription underwent a strong diel cycle and was inhibited during the day in both lakes. Then, we compared DNA- (total) and RNA-based (active) community composition by sequencing pufM amplicon libraries. We observed large differences in expression activity among different APB phylogroups. While the total APB community in the Římov Reservoir was dominated by Betaproteobacteria, Alphaproteobacteria prevailed in the active library. A different situation was encountered in the oligotrophic lake Cep where Betaproteobacteria (order Burkholderiales) dominated both the DNA and RNA libraries. Interestingly, in Cep lake we found smaller amounts of highly active uncultured phototrophic Chloroflexi, as well as phototrophic Gemmatimonadetes. Despite the large diversity of APB communities, light repression of pufM expression seems to be a common feature of all aerobic APB present in the studied lakes.
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