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Abstract

Strain DMKU13-2, representing a novel anamorphic yeast species in the class Microbotryomycetes, subphylum Puccinomycotina, phylum Basidiomycota, was isolated from a soft coral collected in the sea off Ko Mu island, Thailand. The phylogenetic analysis based on the concatenated sequences of the internal transcribed spacer (ITS) region and the D1/D2 region of the large subunit ribosomal RNA (LSU rRNA) gene indicated that this strain was a novel species in the genus Spencerozyma and distant from Spencerozyma crocea, the only species of the genus. The novel species differed from the type of S. crocea (CBS 2029) by 5.2 % nucleotides (31 nucleotide substitutions out of 594 bp) in the D1/D2 region of the LSU rRNA gene and 9.0 % nucleotides (66 nucleotide substitutions out of 735 bp) in the ITS region. The name Spencerozyma siamensis sp. nov. is proposed. The type is DMKU13-2 (=CBS 14683=TBRC 7039). The MycoBank number is MB 824889.

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2018-09-25
2021-10-24
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