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

Volume 74, Issue 11

f.a. sp. nov., a new ascomycetous yeast species from Daqu-making environment and other sources Open Access

Abstract

In the survey of yeast diversity in high-temperature Daqu, which is a fermentation starter for Chinese sauce-flavoured Baijiu, six yeast strains representing one novel species of the genus were isolated from samples of Daqu and surrounding environments collected in Zunyi city, Guizhou Province, China. Phylogenetic analyses of the internal transcribed spacer (ITS) region and the D1/D2 domains of the large subunit rRNA gene indicate that these six strains are conspecific with three other strains isolated from flowers and duckweed collected in Samoa, India and Thailand. The representative strain QFC-8 of the new species differs from the closet species resolved by the D1/D2 sequence analysis by 13 (3.1 %, 12 substitutions and 1 gap) and 40 (10.3 %, 9 substitutions and 31 gaps) mismatches in the D1/D2 domain and ITS region, respectively. The results suggest that the novel group represents an undescribed species in the genus , for which the name sp. nov. is proposed. The holotype strain is CGMCC 2.7773.

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  • Accepted:
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Keyword(s): ascomycetous yeast , phylogeny , S. fangiana f.a. sp. nov and taxonomy
Funding
This study was supported by the:
  • National Defense Science and Technology Innovation Fund of the Chinese Academy of Sciences (Award 2021FY100900)
    • Principal Award Recipient: Pei-JieHan
  • Youth Innovation Promotion Association of the Chinese Academy of Sciences (Award 2022087)
    • Principal Award Recipient: Pei-JieHan
  • National Natural Science Foundation of China (Award 32170011)
    • Principal Award Recipient: Pei-JieHan
© 2024 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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2024-11-20
2025-11-09

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Starmerella fangiana f.a. sp. nov., a new ascomycetous yeast species from Daqu-making environment and other sources
Int J Syst Evol Microbiol 74, 006581 (2024); https://doi.org/10.1099/ijsem.0.006581
/content/journal/ijsem/10.1099/ijsem.0.006581
/content/journal/ijsem/10.1099/ijsem.0.006581
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