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KMID : 1034820180140030323
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Molecular & Cellular Toxicology
2018 Volume.14 No. 3 p.323 ~ p.328
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Complete genome sequence of Nibribacter radioresistens DG15C, a radiation resistant bacterium
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Sathiyaraj Gayathri
Kim Myung-Kyum
Kim Ju-Young
Kim Su-Jeong
Jang Jun-Hwee
Maeng Soo-Hyun
Kang Myung-Suk
Srinivasan Sathiyaraj
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Abstract
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Backgrounds: The ionizing radiation from the gamma rays is damaging the genetic materials of the cells, possibly leading to cell death and cause permanent changes within daughter cells. A red pigmented, Gramnegative, aerobic, short-rod shaped, non-motile, UV and gamma radiation tolerant bacterium Nibribacter radioresistens DG15C was isolated from a soil sample collected in a rice field in South Korea.
Methods: The complete genome of DG15C was sequenced and assembled using Pacific Biosciences RS II system. The genome sequence was annotated using Genomes-Expert Review (IMG-ER) platform, Prodigal, and JGI GenePRIMP pipeline. The protein-coding genes were identified using Prodigal, Pfam and COG databases implemented in the IMG systems.
Results: The complete genome sequence of strain DG15C consists of a circular chromosome (4,143,738 bp) encoding 3,969 coding sequences (CDs) and 3,582 genes. The bacterium showed resistance to gamma and UVC radiations.
Conclusion: The genome annotation as confirmed the presence of gene clusters involved in the toxicity resistance of radiation.
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KEYWORD
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Nibribacter, γ-Radiation, Radiation resistance, Nucleotide excision repair, PacBio RS II, Complete genome
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