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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo International Journal of Systematic and Evolutionary Microbiology

Volume 74, Issue 5

sp. nov. and sp. nov. (, ), two novel psychrophilic yeast species isolated from Arctic habitats No Access

Abstract

Four yeast strains belonging to the basidiomycetous yeast genus were isolated from diverse habitats in the Ny-Ålesund region (Svalbard, High Arctic): two from vascular plants, one from seawater and one from freshwater. Phylogenetic analysis, based on the ITS region and the D1/D2 domain of the 28S rRNA gene, identified these four strains as representing two novel species within the genus . The names sp. nov. (MycoBank number: MB 852063) and sp. nov. (MycoBank number: MB 852064) are proposed. These two new species show distinct psychrophilic adaptations, as they exhibit optimal growth at temperatures between 10 and 15°C, while being unable to grow at 25°C. The holotype of sp. nov. is CPCC 300345, and the holotype of sp. nov. is CPCC 300572.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Basidiomycota , high Arctic , phylogenetic analysis , taxonomy and Tremellomycetes
Funding
This study was supported by the:
  • National Microbial Resource Center (Award NMRC-2023-3)
    • Principle Award Recipient: LiyanYu
  • CAMS Innovation Fund for Medical Sciences (Award 2021-I2M-1-055)
    • Principle Award Recipient: YuLiyan
  • National Natural Science Foundation of China (Award 32270013)
    • Principle Award Recipient: TaoZhang
© 2024 The Authors
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2024-05-23
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Mrakia polaris sp. nov. and Mrakia amundsenii sp. nov. (Mrakiaceae, Cystofilobasidiales), two novel psychrophilic yeast species isolated from Arctic habitats
Int J Syst Evol Microbiol 74, 006396 (2024); https://doi.org/10.1099/ijsem.0.006396
/content/journal/ijsem/10.1099/ijsem.0.006396
/content/journal/ijsem/10.1099/ijsem.0.006396
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