ArticlePloS one2017
Dynamic cellular complexity of anoxygenic phototrophic sulfur bacteria in the chemocline of meromictic Lake Cadagno.
Article in PloS one, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed, 28 citations in OpenAlex.
- Genomics, transcriptomics, and laboratory experiments link bioconvection to nitrogen fixation.Frontiers in microbiology · 2026Article
- Physically stable yet biologically sensitive: multiyear ecological dynamics of anoxygenic phototrophs in stably redox-stratified Lake Cadagno.Aquatic sciences · 2025Article
- Synergistic phenotypic adaptations of motile purple sulphur bacteria Chromatium okenii during lake-to-laboratory domestication.PloS one · 2024Article
- Motile bacteria leverage bioconvection for eco-physiological benefits in a natural aquatic environment.Frontiers in microbiology · 2023Article
- Article
- Purple sulfur bacteria fix NNature communications · 2021Article
- Vertical structure of the bacterial diversity in meromictic Fayetteville Green Lake.MicrobiologyOpen · 2021Article
- Anoxygenic photo- and chemo-synthesis of phototrophic sulfur bacteria from an alpine meromictic lake.FEMS microbiology ecology · 2021Article
- Organic Electron Donors and Terminal Electron Acceptors Structure Anaerobic Microbial Communities and Interactions in a Permanently Stratified Sulfidic Lake.Frontiers in microbiology · 2021Article
- Draft Genome Sequence of Chromatium okenii Isolated from the Stratified Alpine Lake Cadagno.Scientific reports · 2019Article
- Mixotrophic Growth Under Micro-Oxic Conditions in the Purple Sulfur Bacterium "Frontiers in microbiology · 2019Article
- Bacterial diversity in the water column of meromictic Lake Cadagno and evidence for seasonal dynamics.PloS one · 2018Article
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Authors and funding
5 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The meromictic Lake Cadagno is characterized by a compact chemocline with high concentrations of anoxygenic phototrophic purple sulfur bacteria (PSB) and green sulfur bacteria (GSB). The co-occurrence of phylogenetically distant bacterial groups such as PSB and GSB in the same ecological niche, makes the chemocline of Lake Cadagno an ideal system for studying the conditions and consequences of coexistence of photosynthetic bacteria populations. In this study, we applied flow cytometry (FCM) as a fast tool to identify metabolic changes due to the production and consumption of inclusion bodies such as sulfur globules (SGBs), and follow population dynamics of closely related anoxygenic photosynthetic sulfur bacteria in their natural environment. Large-celled PSB Chromatium okenii and GSB Chlorobium populations were reliably separated and identified due to differences in auto-fluorescence and cell size. Moreover, we showed that these dominant taxa share the same ecological niche over seasonal periods. Taking advantage of FCM detection of dynamic cellular complexity variation during phases of photosynthetic activity, we identified an unexpected alternation in PSB versus GSB metabolic activity, indicating dynamic interspecific interactions between these two populations.
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