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

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• 作者：Cletus P. Kurtzman (1) cletus.kurtzman@ars.usda.gov
• 关键词：New ascosporic yeasts – ; Methanol yeasts – ; Komagataella
• 刊名：Antonie van Leeuwenhoek
• 出版年：2012
• 出版时间：May 2012
• 年：2012
• 卷：101
• 期：4
• 页码：859-868
• 全文大小：265.2 KB
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• 作者单位：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
• 刊物类别：Biomedical and Life Sciences
• 刊物主题：Life Sciences
  Microbiology
  Medical Microbiology
  Plant Sciences
  Soil Science and Conservation
  
• 出版者：Springer Netherlands
• ISSN：1572-9699

文摘

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.