2021
DOI: 10.3390/d13120653
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Microbiome Changes of Endemic Lake Baikal Sponges during Bleaching Syndrome Development

Abstract: The sponge (Porifera) microbiome is an indicator of both natural and anthropogenic stressors. Studying Baikal sponge microbial communities could help reveal if there is a connection between bacterial symbionts and a mass sponge bleaching event that was recently detected; 16S rRNA sequencing was performed among healthy and diseased freshwater sponges of Lubomirskia baikalensis and Baikalospongia intermedia, which were collected from Lake Baikal, Russia. A phylum-based taxonomic classification showed that Chloro… Show more

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Cited by 5 publications
(8 citation statements)
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“…The presence of the Chlorophyta in the range of putative hosts in the samples of B. bacillifera (especially in the 'healthy' one) (Figure 5c; Supplementary Table S3) may be associated with these symbionts previously revealed in the Baikal sponges. As shown, the Chlorophyta gradually disappears in 'diseased' samples [39,40] similar to our data. We also notice the presence of the Amoebozoa, which has been poorly studied for the most part in sponge associations.…”
Section: Putative Viral Hosts For Baikal Virusessupporting
confidence: 91%
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“…The presence of the Chlorophyta in the range of putative hosts in the samples of B. bacillifera (especially in the 'healthy' one) (Figure 5c; Supplementary Table S3) may be associated with these symbionts previously revealed in the Baikal sponges. As shown, the Chlorophyta gradually disappears in 'diseased' samples [39,40] similar to our data. We also notice the presence of the Amoebozoa, which has been poorly studied for the most part in sponge associations.…”
Section: Putative Viral Hosts For Baikal Virusessupporting
confidence: 91%
“…The dominant virotypes in the two sponges also differed (Figure 2b; Table 3; Supplementary Table S2). The diversity shift in the sponge-associated microbial communities in the unhealthy individuals was reported previously, but different changes were found in analyzed diseased specimens, and no patterns were revealed [35][36][37][38][39][40]84,85]. During the experimental thermal stress, the viral compositions of the Rhopaloiedes odorabile sponges from the Great Barrier Reef also changed; this, for example, led to the loss of ssDNA viruses [86].…”
Section: Comparative Analysis Of Viromes Of Diseased and Healthy B Ba...mentioning
confidence: 50%
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