first case of disease of the sponge Lubomirskia baicalensis: Investigation of its microbiome

The first metagenomic analysis of the microbiome of the first sample of diseased endemic sponge Lubomirskia baicalensis (Pallas, 1771) from Lake Baikal and the comparison of the results with data published earlier on the microbiome of healthy sponges were carried out. Essential changes in the compos...

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Bibliographic Details
Published in:Biology bulletin of the Russian Academy of Sciences 2016-05, Vol.43 (3), p.263-270
Main Authors: Denikina, N. N, E. V. Dzyuba, N. L. Bel’kova, I. V. Khanaev, S. I. Feranchuk, M. M. Makarov, N. G. Granin, S. I. Belikov
Format: Article
Language:English
Subjects:
Actinobacteria
algae
Biochemistry
Biomedical and Life Sciences
Cell Biology
Cyanobacteria
death
Ecology
Life Sciences
metagenomics
methane
microbial communities
microbiome
Proteobacteria
Verrucomicrobium
Zoology
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Summary:The first metagenomic analysis of the microbiome of the first sample of diseased endemic sponge Lubomirskia baicalensis (Pallas, 1771) from Lake Baikal and the comparison of the results with data published earlier on the microbiome of healthy sponges were carried out. Essential changes in the composition and structure of the microbial community were detected in the diseased individual possessing an uncharacteristic pink coloring. Cyanobacteria were predominant in the community, the fraction of the representatives of Verrucomicrobia was increased. The diversity and number of eukaryotic algae, as well as of representatives of Bacteroidetes, Proteobacteria, Actinobacteria, and Planctomycetes, were decreased. A wide range of minor phyla were eliminated. The factors affecting the composition of symbiotic communities in sponges were considered. It was supposed that changes in the structure of symbiotic communities resulting in mass disease and death could be caused by an increase in the methane concentration in the water column of Lake Baikal.
ISSN:1062-3590
1608-3059
DOI:10.1134/S106235901603002X