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J Genomics. 2017 Apr 6;5:51-53. doi: 10.7150/jgen.19846. eCollection 2017.

Draft Genome Sequence of Roseovarius sp. A-2, an Iodide-Oxidizing Bacterium Isolated from Natural Gas Brine Water, Chiba, Japan.

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Graduate School of Horticulture, Chiba University, Matsudo City, Chiba, Japan.
Food Technology Department, Padjadjaran University, Bandung, Indonesia.
Center for Environmental Biology and Ecosystem Studies, National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan.
Center for Regional Environmental Research, National Institute for Environmental Studies, Tsukuba, Ibaraki, Japan.
Institute for Advanced Biosciences, Keio University, Tsuruoka, Yamagata, Japan.
Systems Biology Program, Graduate School of Media and Governance, Keio University, Fujisawa, Kanagawa, Japan.


Roseovarius sp. A-2 is a heterotrophic iodide (I-)-oxidizing bacterium isolated from iodide-rich natural gas brine water in Chiba, Japan. This strain oxidizes iodide to molecular iodine (I2) by means of an extracellular multicopper oxidase. Here we report the draft genome sequence of strain A-2. The draft genome contained 46 tRNA genes, 1 copy of a 16S-23S-5S rRNA operon, and 4,514 protein coding DNA sequences, of which 1,207 (27%) were hypothetical proteins. The genome contained a gene encoding IoxA, a multicopper oxidase previously found to catalyze the oxidation of iodide in Iodidimonas sp. Q-1. This draft genome provides detailed insights into the metabolism and potential application of Roseovarius sp. A-2.


IoxA.; Roseovarius sp. A-2; draft genome; iodide oxidation

Conflict of interest statement

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

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