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Komagataella populi sp. nov. and Komagataella ulmi sp. nov., two new methanol assimilating yeasts from exudates of deciduous trees

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Abstract

Two new species of the methanol assimilating ascosporic yeast genus Komagataella are described. Komagataella populi sp. nov. (NRRL YB-455, CBS 12362, type strain, MycoBank accession number = 564110) was isolated from an exudate on a cottonwood tree (Populus deltoides), Peoria, Illinois, USA, and Komagataella ulmi sp. nov. (NRRL YB-407, CBS 12361, type strain, MycoBank accession number = 564111) was isolated from the exudate on an elm tree (Ulmus americana), also growing in Peoria, Illinois. The species were resolved from divergence in gene sequences for domains D1/D2 LSU rRNA, ITS1-5.8S-ITS2, mitochondrial small subunit rRNA, RNA polymerase subunit 1 and translation elongation factor-1α. Species of Komagataella assimilate few carbon compounds and are unlikely to be resolved from differences in standard growth and fermentation tests. For this reason, separation of species is dependent on gene sequence analysis.

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Acknowledgments

Christie J. Robnett is gratefully acknowledged for providing the gene sequences compared in this study. The mention of trade names or commercial products in this publication is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the U.S. Department of Agriculture. The USDA is an equal opportunity provider and employer.

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  1. Bacterial Foodborne Pathogens and Mycology Research Unit, U.S. Department of Agriculture, National Center for Agricultural Utilization Research, Agricultural Research Service, 1815 North University Street, Peoria, IL, 61604, USA

    Cletus P. Kurtzman

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  1. Cletus P. Kurtzman
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Correspondence to Cletus P. Kurtzman.

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Kurtzman, C.P. Komagataella populi sp. nov. and Komagataella ulmi sp. nov., two new methanol assimilating yeasts from exudates of deciduous trees. Antonie van Leeuwenhoek 101, 859–868 (2012). https://doi.org/10.1007/s10482-012-9702-6

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  • DOI: https://doi.org/10.1007/s10482-012-9702-6

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