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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 73, Issue 5

sp. nov., a novel basidiomycetous yeast species Open Access

Abstract

A yeast strain belonging to the basidiomycetous yeast genus was isolated from a marine sediment sample collected in an intertidal zone in Shandong province, PR China. The results of phylogenetic analyses based on sequences of the D1/D2 domain of the 26S ribosomal RNA gene and the internal transcribed spacer (ITS) region indicate that this strain, together with three other strains isolated from basal ice collected in Norway, the gut of an insect and an alga collected in Russia, represent a novel species of the genus, for which the name sp. nov. (holotype strain CGMCC 2.6672) is proposed. The novel species differs from the known species of the genus by 1.7 %–4.1 and 11.3 %–17.1 % mismatches in the D1/D2 domain and the ITS region, respectively. This species forms teliospores on potato dextrose agar (PDA) and 10 % V8 juice agar, but teliospore germination with basidia was not observed.

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Keyword(s): Cystofilobasidium , marine yeast , phylogeny and taxonomy
Funding
This study was supported by the:
  • National Science & Technology Fundamental Resources Investigation Program of China (Award 2021FY100900)
    • Principle Award Recipient: Feng-YanBai
  • National Science & Technology Fundamental Resources Investigation Program of China (Award 2019FY100700)
    • Principle Award Recipient: Xin-ZhanLiu
© 2023 The Authors
  • This is an open-access article distributed under the terms of the Creative Commons Attribution License. This article was made open access via a Publish and Read agreement between the Microbiology Society and the corresponding author’s institution.
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2023-05-15
2024-05-01
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Cystofilobasidium josepaulonis sp. nov., a novel basidiomycetous yeast species
Int J Syst Evol Microbiol 73, 005865 (2023); https://doi.org/10.1099/ijsem.0.005865
/content/journal/ijsem/10.1099/ijsem.0.005865
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