Bacteria associated with planktonic diatoms from Lake Baikal

  • I. S. Mikhailov Limnological Institute, Siberian Branch of the Russian Academy of Sciences
  • Y. R. Zakharova Limnological Institute, Siberian Branch of the Russian Academy of Sciences
  • N. A. Volokitina Limnological Institute, Siberian Branch of the Russian Academy of Sciences
  • D. P. Petrova Limnological Institute, Siberian Branch of the Russian Academy of Sciences
  • Y. V. Likhoshway Limnological Institute, Siberian Branch of the Russian Academy of Sciences
Ключевые слова: diatoms, bacteria, 16S rRNA sequencing, Lake Baikal


Algal-bacterial associations were studied in unialgal xenic cultures of Synedra acus subsp. radians, Asterionella formosa and Fragillaria crotonensis planktonic diatoms from Lake Baikal, using epifluorescent and scanning electron microscopy. It was found that rod- and ovoid-shaped bacteria colonized cell walls of diatoms. Cloning and sequencing of fragments of 16S rRNA gene in diatom cultures revealed members of Gammaproteobacteria (Pseudomonas sp.), Betaproteobacteria (Janthinobacterium sp., Hydrogenophaga sp., Methylophilus sp.), Bacteroidetes (Flavobacterium sp., Pedobacter sp.), and Acinobacteria (Nocardioides sp.).


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Как цитировать
Mikhailov, I., Zakharova, Y., Volokitina, N., Petrova, D., & Likhoshway, Y. (2018). Bacteria associated with planktonic diatoms from Lake Baikal. Acta Biologica Sibirica, 4(4), 89-94.