Mycobiology

The Korean Society of Mycology (한국균학회)
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Mrakia terrae sp. nov. and Mrakia soli sp. nov., Two Novel Basidiomycetous Yeast Species Isolated from Soil in Korea

  • Park, Yuna (Department of Bio & Environmental Technology, College of Natural Science, Seoul Women's University) ;
  • Maeng, Soohyun (Department of Bio & Environmental Technology, College of Natural Science, Seoul Women's University) ;
  • Oh, Junsang (Translational Research Division, Biomedical Institute of Mycological Resource, International St. Mary's Hospital, College of Medicine, Catholic Kwandong University) ;
  • Sung, Gi-Ho (Translational Research Division, Biomedical Institute of Mycological Resource, International St. Mary's Hospital, College of Medicine, Catholic Kwandong University) ;
  • Srinivasan, Sathiyaraj (Department of Bio & Environmental Technology, College of Natural Science, Seoul Women's University)
  • Received : 2021.06.22
  • Accepted : 2021.09.24
  • Published : 2021.10.31
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Abstract

Three strains, YP416T, YP421T, and Y422, were isolated from soil samples in Pocheon City, Gyeonggi province, South Korea. The strains belong to two novel yeast species in the genus Mrakia. Molecular phylogenetic analysis showed that the strain YP416T was closely related to Mrakia niccombsii. Still, it differed by 9 nucleotide substitutions with no gap (1.51%) in the D1/D2 domain of the LSU rRNA gene and 14 nucleotide substitutions with 7 gaps (2.36%) in the ITS region. The strain YP421T differed from the type strain of the most closely related species, Mrakia aquatica, by 5 nucleotide substitutions with no gap (0.81%) in the D1/D2 domain of the LSU rRNA gene and 9 nucleotide substitutions with one gap (1.43%) in the ITS region. The names Mrakia terrae sp. nov. and Mrakia soli sp. nov. are proposed, with type strains YP416T (KCTC 27886T) and YP421T (KCTC 27890T), respectively. MycoBank numbers of the strains YP416T and YP421T are MB 836844 and MB 836847, respectively.

Keywords

Acknowledgement

This work was supported by Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (2017R1D1A1B03035583) and a grant from the National Institute of Biological Resources (NIBR), funded by the Ministry of Environment (MOE) of the Republic of Korea (NIBR202028201). This research was supported by the MIST (Ministry of Science, ICT), Korea, under the National Program for Excellence in SW), supervised by the IITP (Institute of Information & communications Technology Planing & Evaluation) in 2021 (2016-0-00022).

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