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A report of 34 unrecorded bacterial species in Korea, belonging to the Actinobacteria

  • Ko, Kwan Su (Faculty of Science Education, Jeju National University) ;
  • Cha, Chang-Jun (Department of Biotechnology, Chung-Ang University) ;
  • Im, Wan-Taek (Department of Biotechnology, Hankyong National University) ;
  • Kim, Seung-Bum (Department of Microbiology and Molecular Biology, Chungnam National University) ;
  • Seong, Chi-Nam (Department of Biology, Sunchon National University) ;
  • Bae, Jin-Woo (Department of Biology, Kyung Hee University) ;
  • Jahng, Kwangyeop (Department of Life Sciences, Chonbuk National University) ;
  • Cho, Jang-Cheon (Department of Biological Sciences, Inha University) ;
  • Joh, Ki-seong (Department of Bioscience and Biotechnology, Hankuk University of Foreign Studies) ;
  • Lee, Soon Dong (Faculty of Science Education, Jeju National University)
  • Received : 2016.02.26
  • Accepted : 2017.02.07
  • Published : 2017.02.28

Abstract

As a subset study to discover indigenous prokaryotic species in Korea in 2014, a total of 34 bacterial strains assigned to the phylum Actinobacteria were isolated from various environmental samples collected from activate sludge, biotite, freshwater, gut of marine organisms, mud flat, sediment, soil, spent mushroom compost and sea water. On the basis of high 16S rRNA gene sequence similarity and a tight phylogenetic association with the closest species, it was revealed that each strain was assigned to independent and previously described bacterial species, with the exception of one isolate. There is no official report that these 34 species included in the phylum Actinobacteria have been described in Korea: 6 species of 5 genera in the order Corynebacteriales, 1 species of 1 genus in the order Frankiales, 2 species of 2 genera in the Micromonosporales, 14 species of 10 genera in Micrococcales, 2 species of 2 genera in the Propionibacteriales, 1 species of 1 genus in the Pseudonocardiales, 4 species of 2 genera in the Streptomycetales, 2 species of 2 genera in the Streptosporangiales and 1 species of 1 genus in the Solirubrobacterales. Gram reaction, cell and colony morphology, pigmentation, physiological characteristics, isolation sources and strain IDs are described in the section of species description.

Keywords

16S rRNA gene;Actinobacteria;indigenous prokaryotic species;unrecorded species

Acknowledgement

Grant : The Survey of Korean Indigenous Species

Supported by : National Institute of Biological Resources

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