Genome analysis of Rubritalea profundi SAORIC-165T , the first deep-sea verrucomicrobial isolate, from the northwestern Pacific Ocean

The Journal of Microbiology
Jaeho SongJang-Cheon Cho

Abstract

Although culture-independent studies have shown the presence of Verrucomicrobia in the deep sea, verrucomicrobial strains from deep-sea environments have been rarely cultured and characterized. Recently, Rubritalea profundi SAORIC-165T, a psychrophilic bacterium of the phylum Verrucomicrobia, was isolated from a depth of 2,000 m in the northwestern Pacific Ocean. In this study, the genome sequence of R. profundi SAORIC-165T, the first deep-sea verrucomicrobial isolate, is reported with description of the genome properties and comparison to surface-borne Rubritalea genomes. The draft genome consisted of four contigs with an entire size of 4,167,407 bp and G+C content of 47.5%. The SAORIC-165T genome was predicted to have 3,844 proteincoding genes and 45 non-coding RNA genes. The genome contained a repertoire of metabolic pathways, including the Embden-Meyerhof-Parnas pathway, pentose phosphate pathway, tricarboxylic acid cycle, assimilatory sulfate reduction, and biosynthesis of nicotinate/nicotinamide, pantothenate/coenzyme A, folate, and lycopene. The comparative genomic analyses with two surface-derived Rubritalea genomes showed that the SAORIC-165T genome was enriched in genes involved in transposition of mobile elements, si...Continue Reading

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Apr 24, 2019·The Journal of Microbiology·Jaeho SongJang-Cheon Cho

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