Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The Discovery of Potentially Toxigenic Gloeotrichia CF. natans (Cyanobacteria) in the Continuous Permafrost Zone of Buotama River, Lena Pillars Nature Park in Yakutia, Was Made through the Observation of Epilithic Macrocolonies

Viktor Gabyshev
ORCID logo ,
Denis Davydov
,
Anna Vilnet
,
Sergeу Sidelev
,
Ekaterina Chernova
,
Sophia Barinova
* ORCID logo ,
Olga Gabysheva
,
Zoya Zhakovskaya
Version 1 : Received: 26 May 2023 / Approved: 29 May 2023 / Online: 29 May 2023 (08:58:37 CEST)

A peer-reviewed article of this Preprint also exists.

Gabyshev, V.; Davydov, D.; Vilnet, A.; Sidelev, S.; Chernova, E.; Barinova, S.; Gabysheva, O.; Zhakovskaya, Z. Gloeotrichia cf. natans (Cyanobacteria) in the Continuous Permafrost Zone of Buotama River, Lena Pillars Nature Park, in Yakutia (Russia). Water 2023, 15, 2370. Gabyshev, V.; Davydov, D.; Vilnet, A.; Sidelev, S.; Chernova, E.; Barinova, S.; Gabysheva, O.; Zhakovskaya, Z. Gloeotrichia cf. natans (Cyanobacteria) in the Continuous Permafrost Zone of Buotama River, Lena Pillars Nature Park, in Yakutia (Russia). Water 2023, 15, 2370.

Abstract

As global climate change continues and the vegetation period lengthens, the importance of research into cyanobacterial recruitment biomass and associated toxin risks is growing. While most studies focus on planktonic cyanobacteria causing blooms, benthic cyanobacteria have been less explored. This study reports for the first time on the mass proliferation of benthic epilithic macrocolonies of potentially toxic cyanobacteria, Gloeotrichia cf. natans, in water bodies located in a region with continuous permafrost in Yakutia, North-East Russia. The study characterizes the environmental conditions of its habitat, including the chemical composition of the water, which expands our understanding of this species' ecology. Cyanotoxins (microcystins, cylindrospermopsin, saxitoxins, and anatoxin-a) were not detected in the biomass of Gloeotrichia cf. natans using liquid chromatography-mass spectrometry and PCR methods.

Keywords

benthic; macrocolonies; cyanobacteria; Gloeotrichia; Nostocales; cryolithozone; Yakutia

Subject

Biology and Life Sciences, Aquatic Science

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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