Unravelling unknown cyanobacteria diversity linked with HCN production

Panou, Manthos; Gkelis, Spyros

doi:10.1016/j.ympev.2021.107322

Cited by 20 publications

(33 citation statements)

References 116 publications

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“…Initially, the genus Cyanocohniella was presumed to be a thermotolerant genus because the type strain C. calida was isolated from a 55 °C hot mineral spring [ 25 ]. However, this has been excluded by Jung et al [ 26 ] for the description of C. crotaloides from intertidal beach mats as well as by Panou and Gkelis [ 27 ] for the isolation of C. hyphalmyra from brackish water. However, the thermotolerance of the genus has never been tested.…”

Section: Discussionmentioning

confidence: 99%

“…Several cyanobacteria belonging to the filamentous clade Phormidesmis could be isolated in addition to a strain of the heterocytous genus Cyanocohniella [ 24 ]. This genus comprises the type species C. calida that was isolated from a hot water spring (Czech Republic; [ 25 ]) and in addition C. crotaloides from a sandy beach of a North Sea barrier island (The Netherlands; [ 26 ]) as well as C. hyphalmyra from a brackish lake (Greece; [ 27 ]). All of them have in common that they are unusually unstable in their morphological traits, with a life cycle that is among the most complex observed in all cyanobacteria [ 25 ].…”

Section: Introductionmentioning

confidence: 99%

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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

et al. 2022

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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.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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

et al. 2022

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“…These authors also provide a detailed morphological comparison between these two Cyanocohniella species. In addition, strain TAU-MAC 3117 has been proposed as a third new species, Cyanocohniella hyphalmyra, isolated from epilithic mats on the surface of rocks in the shore of a brackish lake in Greece, and found positive for HCN production [45]. Finally, two other isolates, SY-1-2-EE and SY-1-2-Y, from biological soil crusts at the surroundings of saline potash tailing piles, were assigned to the Cyanocohniella genus based on SSU rRNA and ITS sequences [46].…”

Section: Discussionmentioning

confidence: 99%

Metagenome-Assembled Genome of Cyanocohniella sp. LLY From the Cyanosphere of Llayta, an Edible Andean Cyanobacterial Macrocolony

Dong¹,

Galetovic²,

Gómez-Silva³

2022

Preprint

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Cyanobacterial macrocolonies known as Llayta are found at Andean wetlands and consumed since pre-Columbian times in South America. Macrocolonies of filamentous cyanobacteria are niches for colonization by other microorganisms; however, the microbiome of edible Llayta has not been explored. Based on a culture-independent approach, we report the presence, identification and metagenomic genome reconstruction of Cyanocohniella sp. LLY associated to Llayta trichomes. The assembled genome of strain LLY is now available for further inquiries, and may be instrumental for taxonomic advances on this genus. All known members of the Cyanocohniella genus have been isolated from salty European habitats. A biogeographic gap for the Cyanocohniella genus is partially filled by the existence of strain LLY at Andes Mountains wetlands in South America as a new habitat. This is the first genome available for members of this genus. Genes involved in primary and secondary metabolism are described providing new insights on the putative metabolic capabilities of Cyanocohniella sp. LLY. The reconstructed genome of strain LLY is now available and instrumental for further inquiries and taxonomic advances on the genus Cyanocohniella.

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“…These authors also provide a detailed morphological comparison between these two Cyanocohniella species. In addition, strain TAU-MAC 3117 has been proposed as a third new species, Cyanocohniella hyphalmyra , isolated from epilithic mats on the surface of rocks in the shore of a brackish lake in Greece and found positive for HCN production [ 48 ]. Finally, two other isolates, SY-1-2-EE and SY-1-2-Y, from biological soil crusts in the surroundings of saline potash tailing piles, were assigned to the Cyanocohniella genus based on SSU rRNA and ITS sequences [ 49 ].…”

Section: Discussionmentioning

confidence: 99%

Metagenome-Assembled Genome of Cyanocohniella sp. LLY from the Cyanosphere of Llayta, an Edible Andean Cyanobacterial Macrocolony

2022

View full text Add to dashboard Cite

Cyanobacterial macrocolonies known as Llayta are found in Andean wetlands and have been consumed since pre-Columbian times in South America. Macrocolonies of filamentous cyanobacteria are niches for colonization by other microorganisms. However, the microbiome of edible Llayta has not been explored. Based on a culture-independent approach, we report the presence, identification, and metagenomic genome reconstruction of Cyanocohniella sp. LLY associated to Llayta trichomes. The assembled genome of strain LLY is now available for further inquiries and may be instrumental for taxonomic advances concerning this genus. All known members of the Cyanocohniella genus have been isolated from salty European habitats. A biogeographic gap for the Cyanocohniella genus is partially filled by the existence of strain LLY in Andes Mountains wetlands in South America as a new habitat. This is the first genome available for members of this genus. Genes involved in primary and secondary metabolism are described, providing new insights regarding the putative metabolic capabilities of Cyanocohniella sp. LLY.

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Unravelling unknown cyanobacteria diversity linked with HCN production

Cited by 20 publications

References 116 publications

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

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

Metagenome-Assembled Genome of Cyanocohniella sp. LLY From the Cyanosphere of Llayta, an Edible Andean Cyanobacterial Macrocolony

Metagenome-Assembled Genome of Cyanocohniella sp. LLY from the Cyanosphere of Llayta, an Edible Andean Cyanobacterial Macrocolony

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