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Abstract

A novel ascomycetous yeast species of the genus is proposed, based on isolates obtained in Japan, Portugal and the USA, and on a combination of conventional DNA barcode sequence analyses and whole-genome phylogenies. The new species is described sp. nov. (PYCC 7198) and was found in association with bees ( and spp.) and their honey, besides being found in plants and soil. The novel species belongs to a subclade that also harbours . Although the two species can be differentiated at the sequence level, they cannot be distinguished at the phenotypic level. As is typical of the genus, sp. nov. produces spherical ascospores after cell conjugation.

Funding
This study was supported by the:
  • Fundação para a Ciência e a Tecnologia (Award 22153-01/SAICT/2016)
    • Principal Award Recipient: NotApplicable
  • Fundação para a Ciência e a Tecnologia (Award 2023.09581.CPCA.A1)
    • Principal Award Recipient: AnaPontes
  • NSF DEB (Award 1929516)
    • Principal Award Recipient: RachelL. Vannette
  • USDA NIFA (Award 2022-67011-36638)
    • Principal Award Recipient: DanielleRutkowski
  • Fundação para a Ciência e a Tecnologia (Award LA/P/0140/2020)
    • Principal Award Recipient: NotApplicable
  • Fundação para a Ciência e a Tecnologia (Award UIDB/04378/2020)
    • Principal Award Recipient: NotApplicable
  • Fundação para a Ciência e a Tecnologia (Award UIDP/04378/2020)
    • Principal Award Recipient: NotApplicable
  • Fundação para a Ciência e a Tecnologia (Award PTDC/BIA-EVL/0604/2021)
    • Principal Award Recipient: CarlaGonçalves
  • Fundação para a Ciência e a Tecnologia (Award 2021.08108.BD)
    • Principal Award Recipient: MargaridaR. Silva
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/content/journal/ijsem/10.1099/ijsem.0.006957
2025-11-12
2025-12-16

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