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Salty Twins: Salt-Tolerance of Terrestrial Cyanocohniella Strains (Cyanobacteria) and Description of C. rudolphia sp. nov. Point towards a Marine Origin of the Genus and Terrestrial Long Distance Dispersal Patterns

1
Department of Integrative Biotechnology, University of Applied Sciences Kaiserslautern, 66953 Pirmasens, Germany
2
Applied Ecology and Phycology, Institute of Biological Sciences, University of Rostock, 18057 Rostock, Germany
3
upi Umweltprojekt Ingenieurgesellschaft, 39576 Stendal, Germany
*
Author to whom correspondence should be addressed.
Academic Editor: Assaf Sukenik
Microorganisms 2022, 10(5), 968; https://doi.org/10.3390/microorganisms10050968
Received: 31 March 2022 / Revised: 28 April 2022 / Accepted: 2 May 2022 / Published: 4 May 2022
(This article belongs to the Special Issue Integrative Phylogeny, Physiology and Ecology of Cyanobacteria)
The ability to adapt to wide ranges of environmental conditions coupled with their long evolution has allowed cyanobacteria to colonize almost every habitat on Earth. Modern taxonomy tries to track not only this diversification process but also to assign individual cyanobacteria to specific niches. It was our aim to work out a potential niche concept for the genus Cyanocohniella in terms of salt tolerance. We used a strain based on the description of C. rudolphia sp. nov. isolated from a potash tailing pile (Germany) and for comparison C. crotaloides that was isolated from sandy beaches (The Netherlands). The taxonomic position of C. rudolphia sp. nov. was evaluated by phylogenetic analysis and morphological descriptions of its life cycle. Salt tolerance of C. rudolphia sp. nov. and C. crotaloides was monitored with cultivation assays in liquid medium and on sand under salt concentrations ranging from 0% to 12% (1500 mM) NaCl. Optimum growth conditions were detected for both strains at 4% (500 mM) NaCl based on morpho-anatomical and physiological criteria such as photosynthetic yield by chlorophyll a fluorescence measurements. Taking into consideration that all known strains of this genus colonize salty habitats supports our assumption that the genus might have a marine origin but also expands colonization to salty terrestrial habitats. This aspect is further discussed, including the ecological and biotechnological relevance of the data presented. View Full-Text
Keywords: akinete; Schiermonnikoog; potash tailings piles; biocrusts; pulse amplitude modulation akinete; Schiermonnikoog; potash tailings piles; biocrusts; pulse amplitude modulation
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MDPI and ACS Style

Jung, P.; Sommer, V.; Karsten, U.; Lakatos, M. Salty Twins: Salt-Tolerance of Terrestrial Cyanocohniella Strains (Cyanobacteria) and Description of C. rudolphia sp. nov. Point towards a Marine Origin of the Genus and Terrestrial Long Distance Dispersal Patterns. Microorganisms 2022, 10, 968. https://doi.org/10.3390/microorganisms10050968

AMA Style

Jung P, Sommer V, Karsten U, Lakatos M. Salty Twins: Salt-Tolerance of Terrestrial Cyanocohniella Strains (Cyanobacteria) and Description of C. rudolphia sp. nov. Point towards a Marine Origin of the Genus and Terrestrial Long Distance Dispersal Patterns. Microorganisms. 2022; 10(5):968. https://doi.org/10.3390/microorganisms10050968

Chicago/Turabian Style

Jung, Patrick, Veronika Sommer, Ulf Karsten, and Michael Lakatos. 2022. "Salty Twins: Salt-Tolerance of Terrestrial Cyanocohniella Strains (Cyanobacteria) and Description of C. rudolphia sp. nov. Point towards a Marine Origin of the Genus and Terrestrial Long Distance Dispersal Patterns" Microorganisms 10, no. 5: 968. https://doi.org/10.3390/microorganisms10050968

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