Kazachstania yasuniensis sp. nov., an ascomycetous yeast species found in mainland Ecuador and on the Galápagos

Stephen A. James, Enrique Javier Carvajal Barriga, Patricia Portero Barahona, Carmen Nueno-Palop, Kathryn Cross, Christopher J. Bond, Ian N. Roberts

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Seven strains representing a novel yeast species belonging to the genus Kazachstania were found at several collection sites on both mainland Ecuador (Yasuní National Park) and the Galápagos (Santa Cruz Island). Two strains (CLQCA 20-132T and CLQCA 24SC-045) were isolated from rotten wood samples, two further strains (CLQCA 20-280 and CLQCA 20-348) were isolated from soil samples, and three strains (CLQCA 20-198, CLQCA 20-374 and CLQCA 20-431) were isolated from decaying fruits. Sequence analyses of the D1/D2 domains of the LSU rRNA gene and ribosomal internal transcribed spacer (ITS) region indicated that the novel species is most closely related to Kazachstania servazzii and Kazachstania unispora. Although the strains could not be distinguished from one another based upon their differing geographical origins, they could be differentiated according to their isolation source (fruit, soil or wood) by ITS sequencing. The species name Kazachstania yasuniensis sp. nov. is proposed to accommodate these strains, with CLQCA 20-132T (= CBS 13946T = NCYC 4008T) designated the type strain.>.

Original languageEnglish
Pages (from-to)1304-1309
Number of pages6
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume65
DOIs
StatePublished - 2015

Bibliographical note

Publisher Copyright:
© 2015 2015 Institute of Food Research.

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