, Volume 28, Issue 1, pp 18–25 | Cite as

Comparative study of viromes from freshwater samples of the Ile-Balkhash region of Kazakhstan captured through metagenomic analysis

  • Madina Saparbaevna AlexyukEmail author
  • Aizhan Sabirzhanovna Turmagambetova
  • Pavel Gennadievich Alexyuk
  • Andrey Pavlinovich Bogoyavlenskiy
  • Vladimir Eleazarovich Berezin
Original Article


Viruses are the most abundant biological entities on Earth and can be found in a variety of environments. A high prevalence of viruses in marine and freshwater systems was initially reported by Spencer in 1955, but the ecological significance of viruses is insufficiently known even until the present day. Viruses are known to play a key role in the biology of freshwater bacteria: controlling the bacterial abundance, composition of species, and acting as intermediaries in the transfer of genes between bacterial populations. In our study a variety of viromes of the Ile-Balkhash water basin were identified. It was found that the composition of viruses of the Ile-Balkhash region is made up not only of a wide variety of autochthonous viruses typical for phytoplankton hydro ecosystems, but also of representatives of allochthonous viruses—such families as Coronaviridae, Reoviridae and Herpesviridae—indicating anthropogenic pollution of the basin. The research designed to investigate the viral abundance, spread, infectious cycle, seasonal dynamics, composition of the viral community, and the influence of viruses on the bacteria, phytoplankton and recycling of nutrients, as well as the impact of environmental factors on the viral ecology in a variety of marine and freshwater systems is very relevant nowadays.


Bacteriophage Metagenomics Viromes Biodiversity Water ecosystems 



This work was supported by Grant 0115PK01095 from the Ministry of Education and Science of the Republic of Kazakhstan. The authors thank the “Genotek” company’s employees for help with the sequencing of the obtained samples.

Supplementary material

13337_2016_353_MOESM1_ESM.tif (1.8 mb)
Map of the Ile-Balkhash region. Ile-Balkhash region is marked by a yellow square (TIFF 1823 kb)
13337_2016_353_MOESM2_ESM.tif (2.6 mb)
Lake Balkhash – place of collection point of water samples. Sample site on the Lake Balkhash is marked by a red flag (TIFF 2620 kb)
13337_2016_353_MOESM3_ESM.tif (2.4 mb)
The Kapchagay water reservoir–place of collection point of water samples. Sample site on the Kapchagay water reservoir is marked by a red flag (TIFF 2450 kb)
13337_2016_353_MOESM4_ESM.tif (2.7 mb)
River Ile – place of collection point of water samples. Sample site on the River Ile is marked by a red flag (TIFF 2748 kb)


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Copyright information

© Indian Virological Society 2017

Authors and Affiliations

  • Madina Saparbaevna Alexyuk
    • 1
    Email author
  • Aizhan Sabirzhanovna Turmagambetova
    • 1
  • Pavel Gennadievich Alexyuk
    • 1
  • Andrey Pavlinovich Bogoyavlenskiy
    • 1
  • Vladimir Eleazarovich Berezin
    • 1
  1. 1.Institute of Microbiology and VirologyAlmatyKazakhstan

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