Antonie van Leeuwenhoek

, Volume 102, Issue 2, pp 307–317 | Cite as

Description of Fimbriimonas ginsengisoli gen. nov., sp. nov. within the Fimbriimonadia class nov., of the phylum Armatimonadetes

  • Wan-Taek Im
  • Zi-Ye Hu
  • Kyoung-Ho Kim
  • Sung-Keun Rhee
  • Han Meng
  • Sung-Taik Lee
  • Zhe-Xue QuanEmail author
Original Paper


Strain Gsoil 348T was isolated from a ginseng field soil sample by selecting micro-colonies from one-fifth strength modified R2A agar medium after a long incubation period. 16S rRNA gene sequence analysis indicated that the strain is related to members of the phylum Armatimonadetes (formerly called candidate phylum OP10). Strain Gsoil 348T is mesophilic, strictly aerobic, non-motile and rod-shaped. It only grows in low nutrient media. The major respiratory quinones are menaquinones MK-11 and MK-10, and the main fatty acids are iso-C15:0, iso-C17:0, C16:0 and C16:1 ω11c. The G+C content is 61.4 mol%. The 16S rRNA gene sequences in public databases belonging to the phylum Armatimonadetes were clustered here into 6 groups. Five of these groups constituted a coherent cluster distinct from the sequences of other phyla in phylogenetic trees that were constructed using multiple-outgroup sequences from 49 different phyla. On the basis of polyphasic taxonomic analyses, it is proposed that strain Gsoil 348T (= KACC 14959T = JCM 17079T) should be placed in Fimbriimonas ginsengisoli gen. nov., sp. nov., as the cultured representative of the Fimbriimonadia class. nov., corresponding with Group 4 of the phylum Armatimonadetes.


Armatimonadetes OP10 Phylogeny Novel class Fimbriimonadia 



This work was supported by the Global Frontier Intelligent Biosystem Design and Synthesis Center Program, Ministry of Science and Technology and by the project on survey and excavation of Korean indigenous species of the National Institute of Biological Resources (NIBR) under the Ministry of Environment, Korea. We thank Jean Euzéby for his comments on specific etymology and nomenclature.

Supplementary material

10482_2012_9739_MOESM1_ESM.doc (968 kb)
Supplementary material 1 (DOC 968 kb)


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Copyright information

© Springer Science+Business Media B.V. 2012

Authors and Affiliations

  • Wan-Taek Im
    • 1
  • Zi-Ye Hu
    • 2
  • Kyoung-Ho Kim
    • 3
  • Sung-Keun Rhee
    • 4
  • Han Meng
    • 2
  • Sung-Taik Lee
    • 1
  • Zhe-Xue Quan
    • 2
    Email author
  1. 1.Department of Biological SciencesKorea Advanced Institute of Science and Technology (KAIST)DaejeonKorea
  2. 2.Department of Microbiology and Microbial Engineering, School of Life SciencesFudan UniversityShanghaiPeople’s Republic of China
  3. 3.Department of MicrobiologyPukyong National UniversityPusanKorea
  4. 4.Department of MicrobiologyChungbuk National UniversityCheongjuKorea

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