Bacterial communities during the period of massive under-ice dinoflagellate development in Lake Baikal
- Authors: Bashenkhaeva M.V.1, Zakharova Y.R.1, Galachyants Y.P.1, Khanaev I.V.1, Likhoshway Y.V.1
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Affiliations:
- Limnological Institute, Siberian Branch
- Issue: Vol 86, No 4 (2017)
- Pages: 524-532
- Section: Experimental Articles
- URL: https://journals.rcsi.science/0026-2617/article/view/163183
- DOI: https://doi.org/10.1134/S0026261717040038
- ID: 163183
Cite item
Abstract
Taxonomic diversity of Lake Baikal bacteria during the period of massive under-ice development of dinoflagellate Gymnodinium baicalense was studied. During the ice-covered period in 2013, both the abundance and biomass of G. baicalense were several orders of magnitude higher than the values for previous years, the maximum values were 8.9 × 106 cells/L and 405 g/m3, respectively. The taxonomic structure of bacterial communities was determined using the data obtained by 454 pyrosequencing (Roche) with Mothur 1.19.0. Predominance of three phyla was revealed: Bacteroidetes, Proteobacteria, and Actinobacteria. Massive dinoflagellate development resulted in a considerable decrease in the richness and diversity of bacterial communities compared to the results of the earlier long-term studies.
About the authors
M. V. Bashenkhaeva
Limnological Institute, Siberian Branch
Author for correspondence.
Email: maria.bashenkhaeva@gmail.com
Russian Federation, Irkutsk
Yu. R. Zakharova
Limnological Institute, Siberian Branch
Email: maria.bashenkhaeva@gmail.com
Russian Federation, Irkutsk
Yu. P. Galachyants
Limnological Institute, Siberian Branch
Email: maria.bashenkhaeva@gmail.com
Russian Federation, Irkutsk
I. V. Khanaev
Limnological Institute, Siberian Branch
Email: maria.bashenkhaeva@gmail.com
Russian Federation, Irkutsk
Ye. V. Likhoshway
Limnological Institute, Siberian Branch
Email: maria.bashenkhaeva@gmail.com
Russian Federation, Irkutsk
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