1887

Abstract

Plants are important reservoirs of described and undescribed species of yeast. During a study of yeasts associated with bromeliads from the Northeast region of Brazil (collected in 2013–2017), analysis of the D1/D2 domain of the LSU rRNA and internal transcribed spacer (ITS) region identified eleven strains of yeasts as representing an unknown species of the genus . The species may have a diverse habitat in Brazil as a strain was collected from a flowering plant (Acanthaceae) in 1994. As a consequence, we propose sp. nov. as a member of the tremellomycetes yeasts (Agaricomycotina, Basidiomycota). sp. nov. was found in Atlantic Forest (a tropical rainforest) and the Caatinga (a seasonally dry tropical forest) associated with bromeliads in northeast and southeastern Brazil. The proposed novel species is related to and distinguished by eight nucleotide substitutions in the D1/D2 domain and seventeen in the ITS region. In addition, sp. nov. differs from by the ability to assimilate ribitol. The holotype is CBS 15966.

Funding
This study was supported by the:
  • Melissa Fontes Landell , Conselho Nacional de Desenvolvimento Científico e Tecnológico , (Award 311553/2018-4)
  • Melissa Fontes Landell , Fundação de Amparo à pesquisa de Alagoas , (Award 60030 000424/2017)
  • Melissa Fontes Landell , Conselho Nacional de Desenvolvimento Científico e Tecnológico , (Award 408718/2013-7)
  • Melissa Fontes Landell , Conselho Nacional de Desenvolvimento Científico e Tecnológico , (Award 475378/2013-0)
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2020-05-04
2020-06-04
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