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KMID : 0364820220580040318
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Korean Journal of Microbiology
2022 Volume.58 No. 4 p.318 ~ p.320
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Draft genome sequence of highly efficient arsenite-oxidizing bacterium Methylobacterium brachythecii C25, isolated from arsenic-contaminated soil
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Jeong Sang-Eun
Kang Hye-Kyeong
Jung Ji-Young
Lee Mi-Hwa
Ryu Byung-Gon
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Abstract
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Here, we report the features and draft genome sequence of Methylobacterium brachythecii C25, isolated from the agricultural soil contaminated with arsenic (As) in Republic of Korea. This strain is able to reduce the toxicity by oxidizing arsenite (As [III]) to arsenate (As [V]) while having resistance to high concentration of As (III). The genome consists of 5,191,050 bp chromosome with a GC content 66.03%, which contains 4,975 coding DNA sequences (CDSs), 49 tRNA genes, 3 rRNA genes, 4 non-coding RNA genes, and 75 pseudo genes. The genome also contains two types of As (III) oxidase (Aio, arsenite oxidase gene) and several stress resistance genes to As (III). Taken together, strain C25 is not only able oxidize As (III) to As (V) but also has resistance to As-contaminated environmental stress.
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KEYWORD
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Methylobacterium brachythecii, arsenite, biological oxidation, draft genome
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