ArticleExtremophiles : life under extreme conditions2014
Vertical physico-chemical gradients with distinct microbial communities in the hypersaline and heliothermal Lake Ursu (Sovata, Romania).
Article in Extremophiles : life under extreme conditions, 2014. 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.
- Analytic Solutions and Entropy Production of the Double-Diffusive Equation System.Entropy (Basel, Switzerland) · 2025Article
- Kinetic characterization of a new phenol degrading Acinetobacter towneri strain isolated from landfill leachate treating bioreactor.World journal of microbiology & biotechnology · 2023Article
- Analysis of the external signals driving the transcriptional regulation of the main genes involved in denitrification inFrontiers in microbiology · 2023Article
- Where the Little Ones Play the Main Role-Picophytoplankton Predominance in the Soda and Hypersaline Lakes of the Carpathian Basin.Microorganisms · 2022Review
- Anion-type modulates the effect of salt stress on saline lake bacteria.Extremophiles : life under extreme conditions · 2022Article
- Network analysis reveals microbe-mediated impacts of aeration on deep sediment layer microbial communities.Frontiers in microbiology · 2022Article
- Extremophilic Microorganisms in Central Europe.Microorganisms · 2021Review
- Biopolymer production by halotolerant bacteria isolated from Caatinga biome.Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology] · 2021Article
- Microbial community dynamics and coexistence in a sulfide-driven phototrophic bloom.Environmental microbiome · 2020Article
- Changes in bacterial and archaeal communities during the concentration of brine at the graduation towers in Ciechocinek spa (Poland).Extremophiles : life under extreme conditions · 2018Article
- Microbial communities associated with the anthropogenic, highly alkaline environment of a saline soda lime, Poland.Antonie van Leeuwenhoek · 2017Article
- Prokaryotic Community Structure Driven by Salinity and Ionic Concentrations in Plateau Lakes of the Tibetan Plateau.Applied and environmental microbiology · 2016Article
- Contrasting taxonomic stratification of microbial communities in two hypersaline meromictic lakes.The ISME journal · 2015Article
- Culturable diversity of aerobic halophilic archaea (Fam. Halobacteriaceae) from hypersaline, meromictic Transylvanian lakes.Extremophiles : life under extreme conditions · 2015Article
- Picophytoplankton predominance in hypersaline lakes (Transylvanian Basin, Romania).Extremophiles : life under extreme conditions · 2014Article
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10 authors.
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Abstract
The effect of vertical physico-chemical stratification on the planktonic microbial community composition of the deep, hypersaline and heliothermal Lake Ursu (Sovata, Romania) was examined in this study. On site and laboratory measurements were performed to determine the physical and chemical variables of the lake water, and culture-based and cultivation-independent techniques were applied to identify the members of microbial communities. The surface of the lake was characterized by a low salinity water layer while the deepest region was extremely saline (up to 300 g/L salinity). Many parameters (e.g. photosynthetically active radiation, dissolved oxygen concentration, pH, redox potential) changed dramatically from 2 to 4 m below the water surface in conjunction with the increasing salinity values. The water temperature reached a maximum at this depth. At around 3 m depth, there was a water layer with high (bacterio) chlorophyll content dominated by Prosthecochloris vibrioformis, a phototrophic green sulfur bacterium. Characteristic microbial communities with various prokaryotic taxa were identified along the different environmental parameters present in the different water layers. Some of these bacteria were known to be heterotrophic and therefore may be involved in the decomposition of lake organic material (e.g. Halomonas, Idiomarina and Pseudoalteromonas) while others in the transformation of sulfur compounds (e.g. Prosthecochloris). Eukaryotic microorganisms identified by molecular methods in the lake water belonged to genera of green algae (Mantionella and Picochlorum), and were restricted mainly to the upper layers.
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