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Int J Syst Evol Microbiol 58 (2008), 2973-2976; DOI  10.1099/ijs.0.65773-0
© 2008 International Union of Microbiological Societies

Cryptococcus keelungensis sp. nov., an anamorphic basidiomycetous yeast isolated from the sea-surface microlayer of the north-east coast of Taiwan

Chin-Feng Chang1, Ching-Fu Lee2 and Shiu-Mei Liu1

1 Institute of Marine Biology, National Taiwan Ocean University, 2 Pei-Ning Road, Keelung 20224, Taiwan, ROC
2 Department of Applied Science, National Hsinchu University of Education, 521 Nanda Road, Hsinchu 30014, Taiwan, ROC

Correspondence
Shiu-Mei Liu
smliu{at}mail.ntou.edu.tw

Strain SN-82T was isolated from the sea-surface microlayer at Keelung on the north-east coast of Taiwan. Sequence analysis of the D1/D2 domain of the 26S rDNA of strain SN-82T suggested that this strain is related to the aerius clade in the Filobasidiales. Phenotypic characteristics such as the absence of sexual structures and ballistoconidia, the assimilation of myo-inositol and D-glucuronate, the inability to ferment glucose, the possession of coenzyme Q-10 and positive Diazonium blue B and urease reactions also indicated that this strain belongs to the genus Cryptococcus. However, divergences of more than 3.6 % were observed in the D1/D2 domain when compared with other described Cryptococcus species, which indicated that the isolated yeast represents a previously unrecognized member of this genus. Therefore, the novel yeast species Cryptococcus keelungensis sp. nov. is proposed, with strain SN-82T (=CBS 10876T =BCRC 23107T =JCM 14893T) as the type strain.

Abbreviations: ITS, internal transcribed spacer; SSML, sea-surface microlayer

The GenBank/EMBL/DDBJ accession numbers for the 26S rDNA D1/D2 and ITS region sequences of strain SN-82T are EF621562 and EF621565, respectively.






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