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J Genomics. 2019 Jan 1;7:7-10. doi: 10.7150/jgen.30559. eCollection 2019.

Complete Genome Sequence of Novel Sulfitobacter pseudonitzschiae Strain SMR1, Isolated from a Culture of the Marine Diatom Skeletonema marinoi.

Author information

1
Department of Marine Sciences, University of Gothenburg, Göteborg, Sweden.
2
Gothenburg Global Biodiversity Centre, Göteborg, Sweden.
3
Department of Biological and Environmental Sciences, University of Gothenburg, Göteborg, Sweden.

Abstract

When studying diatoms, an important consideration is the role of associated bacteria in the diatom-microbiome holobiont. To that end, bacteria isolated from a culture of Skeletonema marinoi strain R05AC were sequenced, one of which being bacterial strain SMR1, presented here. The genome consists of a circular chromosome and seven circular plasmids, totalling 5,121,602 bp. After phylotaxonomic analysis and 16S rRNA sequence comparison, we place this strain in the taxon Sulfitobacter pseudonitzschiae on account of similarity to the type strain. The annotated genome suggests similar interactions between strain SMR1 and its host diatom as have been shown previously in diatom-associated Sulfitobacter, for example bacterial production of growth hormone for its host, and breakdown of diatom-derived DMSP by Sulfitobacter for use as a sulfur source.

KEYWORDS:

Diatom; Marine sediment; Microbiome; Skeletonema; Sulfitobacter; Whole Genome Sequencing

Conflict of interest statement

Competing Interests: The authors have declared that no competing interest exists.

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