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E-ISSN : 2713-8615

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Vol.7 No.3

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A report of six unrecorded radiation-resistant bacterial species isolated from soil in Korea in 2018

Journal of Species Research / Journal of Species Research, (E)2713-8615
2018, v.7 no.3, pp.222-230
https://doi.org/10.12651/JSR.2018.7.3.222
Soohyun Maeng
Myung Kyum Kim
Gayathri Subramani
kim juyoung
Jun Hwee Jang
Myung-Suk Kang
Ki-Eun Lee
Eun-Young Lee
Srinivasan Sathiyaraj
Soohyun, M. , Myung, K. K. , Gayathri, S. , kim, j. , Jun, H. J. , Myung-Suk, K. , Ki-Eun, L. , Eun-Young, L. , & Srinivasan, S. (2018). A report of six unrecorded radiation-resistant bacterial species isolated from soil in Korea in 2018. Journal of Species Research, 7(3), 222-230, https://doi.org/10.12651/JSR.2018.7.3.222

Abstract

Six bacterial strains 18JY42-3, 18SH, 18JY76-11, 17J11-11, 18JY14-14, and 18JY15-11 assigned to the phylum Proteobacteria, Firmicutes, and Actinobacteria were isolated from soil samples in Korea. The Cohnella species, strain 18JY42-3 was Gram-stain-positive, short rod-shaped and beige-colored. The Methylobacterium species, strains 18SH and 18JY76-11 were Gram-stain-negative, short rod-shaped and pinkcolored. The Microterricola species, strain 17J11-11 was Gram-stain-positive, short rod-shaped and yellowcolored. The Paenarthrobacter species, strains 18JY14-14 and 18JY15-11 were Gram-stain-positive, short rod-shaped and white-colored. Phylogenetic analysis based on 16S rRNA gene sequence showed that strains 18JY42-3, 18SH, 18JY76-11, 17J11-11, 18JY14-14, and 18JY15-11 were most closely related Cohnella rhizosphaerae (MH497628; 98.8%), Methylobacterium goesingense (MH497632; 99.1%), Methylobacterium populi (MH497635; 99.9%), Microterricolagilva (MH504108; 98.4%), Paenarthrobacter nicotinovorans (MH497641; 100%), and Paenarthrobacter nitroguajacolicus (MH497646; 99.2%), respectively. All the six unrecorded strains showed resistance to UV radiation. This is the first report of these six species in Korea.

keywords
16S rRNA, bacterial diversity, unreported species, Proteobacteria, Firmicutes, Actinobacteria

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