ArticleExtremophiles : life under extreme conditions2022
Anion-type modulates the effect of salt stress on saline lake bacteria.
Article in Extremophiles : life under extreme conditions, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed, 12 citations in OpenAlex.
- Ecological peculiarities of Eurasian inland saline and alkaline soda waters.Biologia futura · 2026Review
- Microbial community patterns in two geochemically contrasting zones within the alkaline lake Bagno dell'Acqua (Pantelleria Island, Italy).Frontiers in microbiology · 2026Article
- Functional Analyses of aPlants (Basel, Switzerland) · 2025Article
- Salinity and Heavy Metal Tolerance, and Phytoextraction Potential ofLife (Basel, Switzerland) · 2022Article
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Authors and funding
7 authors at 4 institutions in 3 countries.
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Abstract
Beside sodium chloride, inland saline aquatic systems often contain other anions than chloride such as hydrogen carbonate and sulfate. Our understanding of the biological effects of salt composition diversity is limited; therefore, the aim of this study was to examine the effect of different anions on the growth of halophilic bacteria. Accordingly, the salt composition and concentration preference of 172 strains isolated from saline and soda lakes that differed in ionic composition was tested using media containing either carbonate, chloride or sulfate as anion in concentration values ranging from 0 to 0.40 mol/L. Differences in salt-type preference among bacterial strains were observed in relationship to the salt composition of the natural habitat they were isolated from indicating specific salt-type adaptation. Sodium carbonate represented the strongest selective force, while majority of strains was well-adapted to growth even at high concentrations of sodium sulfate. Salt preference was to some extent associated with taxonomy, although variations even within the same bacterial species were also identified. Our results suggest that the extent of the effect of dissolved salts in saline lakes is not limited to their concentration but the type of anion also substantially impacts the growth and survival of individual microorganisms.
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