Abstract
Pyrosequencing of amplicons V3-V4 of the 16S rRNA gene of 30 samples from the photic layer across the three basins of Lake Baikal has revealed 44 958 sequences of the domain Bacteria. The most representative phylums among all classified sequences in the samples were Actinobacteria, Bacteroidetes, Verrucomicrobia, Proteobacteria, Acidobacteria, and Cyanobacteria. As much as 38.5% of the total number of sequences has been determined to the level of genus. The taxonomic composition of bacterial communities was similar regardless of some differences in the composition and abundance of spring phytoplankton. Closely related or identical sequences of bacteria inhabiting the epilimnion of other lakes worldwide have been discovered for most sequences. This confirms the similarity of microbial communities in freshwater ecosystems.
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Original Russian Text © I.S. Mikhailov, Yu.R. Zakharova, Yu.P. Galachyants, M.V. Usoltseva, D.P. Petrova, M.V. Sakirko, Ye.V. Likhoshway, M.A. Grachev, 2015, published in Doklady Akademii Nauk, 2015, Vol. 465, No. 5, pp. 620-626.
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Mikhailov, I.S., Zakharova, Y.R., Galachyants, Y.P. et al. Similarity of structure of taxonomic bacterial communities in the photic layer of Lake Baikal’s three basins differing in spring phytoplankton composition and abundance. Dokl Biochem Biophys 465, 413–419 (2015). https://doi.org/10.1134/S1607672915060198
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DOI: https://doi.org/10.1134/S1607672915060198