Genomic Analysis of sp. Strain SCT, an Iodate-Reducing Bacterium Isolated from Marine Sediment, Reveals a Possible Use for Bioremediation.

Author(s) Harada, M.; Ito, K.; Nakajima, N.; Yamamura, S.; Tomita, M.; Suzuki, H.; Amachi, S.
Journal G3 (Bethesda)
Date Published 2019 May 07
Abstract

Strain SCT is an iodate-reducing bacterium isolated from marine sediment in Kanagawa Prefecture, Japan. In this study, we determined the draft genome sequence of strain SCT and compared it to complete genome sequences of other closely related bacteria, including A phylogeny inferred from concatenation of core genes revealed that strain SCT was closely related to marine isolates of Genes present in the SCT genome but absent from the other analyzed genomes comprised clusters corresponding to putative prophage regions and possible operons. They included genes, which encode type IV pili for natural transformation; the operon, which encodes resistance systems for mercury; and the operon, which encodes a Pi-specific transport system for phosphate uptake. We found that strain SCT had more prophage-like genes than the other strains and that the majority (70%) of them were SCT strain-specific. These genes, encoded on distinct prophage regions, may have been acquired after branching from a common ancestor following independent phage transfer events. Thus, the genome sequence of sp. strain SCT can provide detailed insights into its metabolic potential and the evolution of genetic elements associated with its unique phenotype.

DOI 10.1534/g3.118.200978
ISSN 2160-1836
Citation Harada M, Ito K, Nakajima N, Yamamura S, Tomita M, Suzuki H, et al. Genomic Analysis of sp. Strain SCT, an Iodate-Reducing Bacterium Isolated from Marine Sediment, Reveals a Possible Use for Bioremediation. G3 (Bethesda). 2019;9(5):1321-1329.

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