1887

Abstract

Sixteen yeast isolates representing two novel species of the genus were obtained from passalid beetles, their galleries and rotting wood collected in three sites of Amazonian Forest in Brazil. Sequence analyses of the ITS-5.8S region and the D1/D2 domains of the large subunit rRNA gene showed that the first species, described here as f. a., sp. nov. (holotype CBS 18112, MycoBank 847461) is phylogenetically related to with these species differing by 37 nucleotide substitutions and six gaps in D1/D2 sequences. is represented by nine isolates obtained from the guts of the passalid beetles , , and , a beetle gallery and rotting wood. The second species, f. a., sp. nov. (holotype CBS 18148, MycoBank 847463), is most phylogenetically related to several undescribed species. is described based on seven isolates obtained from the guts of and , a beetle gallery and rotting wood. Both species appear to be associated with passalid beetles and their ecological niches in Amazonian biome.

Funding
This study was supported by the:
  • Natural Sciences and Engineering Research Council of Canada
    • Principle Award Recipient: Marc-AndréLachance
  • Fundação de Amparo à Pesquisa do Estado de Minas Gerais (Award APQ-01525-14, APQ-01477-13 and APQ-02552-15)
    • Principle Award Recipient: CarlosA. Rosa
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (Award 407415/2013-1, 0457499/2014-1 and 406564/2022-1)
    • Principle Award Recipient: CarlosA. Rosa
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2023-04-19
2024-07-23
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