Bacteria associated with planktonic diatoms from 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...

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Bibliographic Details
Published in:Acta biologica Sibirica 2018-12, Vol.4 (4), p.89-94
Main Authors: Mikhailov, I. S., Zakharova, Y. R., Volokitina, N. A., Petrova, D. P., Likhoshway, Y. V.
Format: Article
Language:English
Subjects:
16S rRNA sequencing
Algae
Bacillariophyceae
Bacteria
Cell walls
diatoms
Lake Baikal
Plankton
rRNA 16S
Scanning electron microscopy
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Summary: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.).
ISSN:2412-1908
2412-1908
DOI:10.14258/abs.v4.i4.4880