ArticleExtremophiles : life under extreme conditions2018
Microbial communities and their predicted metabolic functions in a desiccating acid salt lake.
Article in Extremophiles : life under extreme conditions, 2018. 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.
- Microbial adaptations to acidic, nutrient- and metal-rich lakes in Aotearoa New Zealand.Extremophiles : life under extreme conditions · 2025Article
- In situ crystallographic mapping constrains sulfate precipitation and timing in Jezero crater, Mars.Science advances · 2025Article
- Extremophilic and common fungi in acid brines and their halite.Extremophiles : life under extreme conditions · 2025Article
- SALINITY-Induced Changes in Diversity, Stability, and Functional Profiles of Microbial Communities in Different Saline Lakes in Arid Areas.Microbial ecology · 2024Article
- Nutrient structure dynamics and microbial communities at the water-sediment interface in an extremely acidic lake in northern Patagonia.Frontiers in microbiology · 2024Article
- Microbes of biotechnological importance in acidic saline lakes in the Yilgarn Craton, Western Australia.Frontiers in microbiology · 2024Article
- Article
- Water is a preservative of microbes.Microbial biotechnology · 2022Article
- Microbial Community Structure Is Most Strongly Associated With Geographical Distance and pH in Salt Lake Sediments.Frontiers in microbiology · 2022Article
- Water Activities of Acid Brine Lakes Approach the Limit for Life.Astrobiology · 2021Article
- Temporal Microbial Community Dynamics Within a Unique Acid Saline Lake.Frontiers in microbiology · 2021Article
- Hyperdiverse archaea near life limits at the polyextreme geothermal Dallol area.Nature ecology & evolution · 2019Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The waters of Lake Magic in Western Australia are among the most geochemically extreme on Earth. This ephemeral saline lake is characterized by pH as low as 1.6 salinity as high as 32% total dissolved solids, and unusually complex geochemistry, including extremely high concentrations of aluminum, silica, and iron. We examined the microbial composition and putative function in this extreme acid brine environment by analyzing lake water, groundwater, and sediment samples collected during the austral summer near peak evapoconcentration. Our results reveal that the lake water metagenome, surprisingly, was comprised of mostly eukaryote sequences, particularly fungi and to a lesser extent, green algae. Groundwater and sediment samples were dominated by acidophilic Firmicutes, with eukaryotic community members only detected at low abundances. The lake water bacterial community was less diverse than that in groundwater and sediment, and was overwhelmingly represented by a single OTU affiliated with Salinisphaera. Pathways associated with halotolerance were found in the metagenomes, as were genes associated with biosynthesis of protective carotenoids. During periods of complete desiccation of the lake, we hypothesize that dormancy and entrapment in fluid inclusions in halite crystals may increase long-term survival, leading to the resilience of complex eukaryotes in this extreme environment.
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