Physiological and Metabolic Responses of Freshwater and Brackish-Water Strains of Microcystis Aeruginosa Acclimated to a Salinity Gradient: Insight into Salt Tolerance
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Blooms of Microcystis aeruginosa and the production of microcystins are major issues in eutrophic freshwater bodies. Recently, an increasing number of proliferations of M. aeruginosa in brackish water has been documented. The occurrence of both M. aeruginosa and microcystins in coastal areas represents a new threat for human and environmental health. In order to better describe the mechanisms involved in Microcystis sp. proliferation in brackish water, this study used two M. aeruginosa strains isolated from fresh and brackish waters. High salinity reduced the growth rate and microcystin production rate of M. aeruginosa . In order to cope with higher salinities, the strains accumulated different cyanobacterial compatible solutes, as well as unsaturated lipids, explaining their distinct salt tolerance.
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The AquaPen-C 100 enables rapid measurements of photosynthetic parameters under both field and laboratory conditions.
“More compact and portable devices include the AquaPen-C 100 from Photon Systems Instruments (PSI) (Drásov, Czech Republic), which enables rapid measurements of photosynthetic parameters under both field and laboratory conditions [213].”
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Dębowski, M., Kazimierowicz, J., & Zieliński, M. (2025) · Applied Sciences · doi:10.3390/app15137324 · Cited by 30 · see citing works
- Authors
- Georges des Aulnois, M., Roux, P., Caruana, A., Réveillon, D., Briand, E., Hervé, F., Savar, V., Bormans, M., & Amzil, Z.
- Affiliations
- Phycotoxins Laboratory, Ifremer, Nantes, France
- Ifremer (FR)
- Centre National de la Recherche Scientifique (FR)
- ORCID
- Venue
- Applied and Environmental Microbiology
- Publisher
- American Society for Microbiology
- Published
- 2019-11
- Volume
- 85
- Issue
- 21
- Pages
- 19
- ISSN
- 0099-2240 (ISSN-L)
- 1098-5336
- PMC
- PMC6803299
- OpenAlex
- W2969547006
- Cited by
- 61
- References
- 78
- Citations by year
- 2026: 6 · 2025: 10 · 2024: 8 · 2023: 9 · 2022: 8 · 2021: 9 · 2020: 9 · 2019: 2
- FWCI
- 3.05
- Type
- journal article
- Language
- en
- Open access
- green
- www.ncbi.nlm.nih.gov
- Locations
- Applied and Environmental Microbiology (publishedVersion)
- Europe PMC (PubMed Central) (publishedVersion)
- PubMed Central (publishedVersion)
- PubMed (publishedVersion)
- HAL (submittedVersion, other-oa)
- Institutional Archive of Ifremer (French Research Institute for Exploitation of the Sea) (submittedVersion, other-oa)
- Topics
- Physical Sciences › Environmental Science › Environmental Chemistry › Aquatic Ecosystems and Phytoplankton Dynamics
- Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Algal biology and biofuel production
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Biocrusts and Microbial Ecology
- Keywords
- Microcystis aeruginosa, salt tolerance, salinity gradient, brackish water, freshwater cyanobacteria, microcystin production, cyanobacterial growth rate, osmolytes, unsaturated lipids, osmotic stress, cyanobacterial blooms
- MeSH terms
- Acclimatization, Saline Waters, Bacterial Toxins, Fresh Water, Osmotic Pressure, Sucrose, Trehalose, Water Microbiology, Microcystis, Microcystins, Salinity, Salt Tolerance, Metabolomics
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