Complete genome sequence of Hymenobacter sp. DG25A, a gamma radiation-resistant bacterium isolated from soil

Sathiyaraj Srinivasan; Seung-Yeol Lee; Myung Kyum Kim; Hee-Young Jung

doi:10.1007/s13273-017-0007-8

Molecular & Cellular Toxicology

March 2017, Volume 13, Issue 1, pp 65–72

Complete genome sequence of Hymenobacter sp. DG25A, a gamma radiation-resistant bacterium isolated from soil

Authors
Authors and affiliations

Sathiyaraj Srinivasan
Seung-Yeol Lee
Myung Kyum KimEmail author
Hee-Young JungEmail author

Original Paper

First Online:: 30 March 2017

Received:: 27 April 2016
Accepted:: 19 August 2016

DOI: 10.1007/s13273-017-0007-8

Cite this article as:: Srinivasan, S., Lee, SY., Kim, M.K. et al. Mol. Cell. Toxicol. (2017) 13: 65. doi:10.1007/s13273-017-0007-8

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Abstract

A gram-negative, rod-shaped, non-motile, gamma and UV-tolerant bacterium, Hymenobacter sp. DG25A, was isolated from a soil sample collected in South Korea. The isolated strain demonstrated high level of resistance against gamma irradiation, with a D10 value of 6 kGy. The complete genome of Hymenobacter sp. DG25A was found to consist of a single chromosome (3,777,136 bp). The bacterium was isolated from a gamma ray-irradiated soil sample and was found to contain enzymes involved in the accumulation of manganese, which protects proteins from oxidation by reactive oxygen species. The genome also encodes enzymes for the nucleotide excision repair pathway, which leads to the efficient removal of double-strand breaks caused by ionizing radiation such as gamma and UV rays. An understanding of these genomic features can potentially be used in several biotechnological applications such as for the degradation of harmful contaminants or radioactive waste.

Keywords

Hymenobacter Radiation toxicity Gamma ray Genome sequence

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Authors and Affiliations

Sathiyaraj Srinivasan
- 1
Seung-Yeol Lee
- 2
Myung Kyum Kim
- 1
Email author
Hee-Young Jung
- 2
- 3
Email author

1.Department of Bio & Environmental Technology, College of Natural ScienceSeoul Women’s UniversitySeoulRepublic of Korea
2.College of Agriculture and Life SciencesKyungpook National UniversityDaeguRepublic of Korea
3.Institute of Plant MedicineKyungpook National UniversityDaeguRepublic of Korea

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Complete genome sequence of Hymenobacter sp. DG25A, a gamma radiation-resistant bacterium isolated from soil

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