ArticleJournal of microbiology (Seoul, Korea)2018
Identification of trehalose as a compatible solute in different species of acidophilic bacteria.
Article in Journal of microbiology (Seoul, Korea), 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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13 citing papers in PubMed, 31 citations in OpenAlex.
- Adaptive response of the holdase chaperone network of Acidithiobacillus ferrooxidans ATCC 23270 to stresses and energy sources.World journal of microbiology & biotechnology · 2025Article
- Improvement in Salt Tolerance Ability ofBiology · 2024Article
- Osmotic response inFrontiers in microbiology · 2024Article
- Study on the intracellular adaptative mechanism of Acidithiobacillus caldus MTH-04 to NaCl stress.Microbial cell factories · 2023Article
- Article
- Identification of novel halophilic/halotolerant bacterial species producing compatible solutes.International microbiology : the official journal of the Spanish Society for Microbiology · 2023Article
- Eurypsychrophilic acidophiles: From (meta)genomes to low-temperature biotechnologies.Frontiers in microbiology · 2023Review
- Transcriptomic analysis of chloride tolerance in Leptospirillum ferriphilum DSM 14647 adapted to NaCl.PloS one · 2022Article
- Examining the Osmotic Response ofMicroorganisms · 2021Article
- Glutathione Synthetase Overexpression in Acidithiobacillus ferrooxidans Improves Halotolerance of Iron Oxidation.Applied and environmental microbiology · 2021Article
- Article
- Uncovering the Mechanisms of Halotolerance in the Extremely Acidophilic Members of theFrontiers in microbiology · 2019Article
- Osmotic Imbalance, Cytoplasm Acidification and Oxidative Stress Induction Support the High Toxicity of Chloride in Acidophilic Bacteria.Frontiers in microbiology · 2019Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The major industrial heap bioleaching processes are located in desert regions (mainly Chile and Australia) where fresh water is scarce and the use of resources with low water activity becomes an attractive alternative. However, in spite of the importance of the microbial populations involved in these processes, little is known about their response or adaptation to osmotic stress. In order to investigate the response to osmotic stress in these microorganisms, six species of acidophilic bacteria were grown at elevated osmotic strength in liquid media, and the compatible solutes synthesised were identified using ion chromatography and MALDI-TOF mass spectrometry. Trehalose was identified as one of, or the sole, compatible solute in all species and strains, apart from Acidithiobacillus thiooxidans where glucose and proline levels increased at elevated osmotic potentials. Several other potential compatible solutes were tentatively identified by MALDITOF analysis. The same compatible solutes were produced by these bacteria regardless of the salt used to produce the osmotic stress. The results correlate with data from sequenced genomes which confirm that many chemolithotrophic and heterotrophic acidophiles possess genes for trehalose synthesis. This is the first report to identify and quantify compatible solutes in acidophilic bacteria that have important roles in biomining technologies.
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