AI Article Synopsis

  • Researchers isolated three orange-pigmented yeast strains from soil samples in a Cerrado-Atlantic Rain Forest location in Brazil.
  • Molecular analyses indicated these strains do not belong to any known species and are proposed as a new species, with the holotype designated as CBS 16121 and MycoBank number MB 839315.
  • This novel yeast species is notable for its presence in a tropical region, as all other related species are found in temperate areas, likely due to the region's moderate temperatures and the yeast's ability to tolerate higher temperatures.

Article Abstract

During studies of yeasts associated with soil in a Cerrado-Atlantic Rain Forest ecotone site in Brazil, three orange-pigmented yeast strains were isolated from samples collected in Minas Gerais state, Brazil. Molecular analyses combining the 26S rRNA gene (D1/D2 domains) and the internal transcribed spacer (ITS) sequences as well as whole-genome sequence data showed that these strains could not be ascribed to any known species in the basidiomycetous genus , and thus they are considered to represent a novel species for which the name sp. nov. is proposed. The holotype is CBS 16121 and the MycoBank number is MB 839315. The occurrence of in a tropical region is unique for the genus, since all other species occur in temperate regions. Two factors appear to contribute to the distribution of the novel taxon: first, the region where it was found has relatively moderate temperature ranges and, second, an adaptation to grow or withstand temperatures higher than those of the other species in the genus seems to be in place.

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http://dx.doi.org/10.1099/ijsem.0.005080DOI Listing

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Int J Syst Evol Microbiol

November 2021

Departamento de Microbiologia, ICB, C.P. 486, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil.

Article Synopsis
  • Researchers isolated three orange-pigmented yeast strains from soil samples in a Cerrado-Atlantic Rain Forest location in Brazil.
  • Molecular analyses indicated these strains do not belong to any known species and are proposed as a new species, with the holotype designated as CBS 16121 and MycoBank number MB 839315.
  • This novel yeast species is notable for its presence in a tropical region, as all other related species are found in temperate areas, likely due to the region's moderate temperatures and the yeast's ability to tolerate higher temperatures.
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In the last 30 years, the growth of the agriculture and livestock industries in the Cerrado biome has caused severe changes in land use and land cover (LULC), and areas previously occupied by native vegetation are changing to agricultural monocultures (e.g., soybean or corn) and/or pastures.

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