1887

Abstract

Two strains of a novel cactophilic yeast species were isolated from the columnar cactus in a sand dune ecosystem in Rio de Janeiro, Brazil. Phylogenetic analysis of sequences of the large subunit rRNA gene D1/D2 domains showed that the strains represent a sister species to , from which it differs by 21 nt substitutions and two indels. The novel species is heterothallic and the asci are deliquescent with the formation of two to four hat-shaped ascospores. The name sp. nov. is proposed for the species. The type strain is UFMG-CM-Y316 ( = CBS 13266) and the allotype is UFMG-CM-Y346a ( = CBS 13265). The Mycobank number is MB 810683. In addition, belonging to the clade, is reassigned to as a new combination.

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2015-12-01
2019-12-06
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