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Abstract <p>A novel ascosporogenous methylotrophic yeast species <i>Komagataella petrovskyi</i> sp. nov. is described using the type strain UCDFST 67-562<sup>T</sup> (=CBS 15016 = VKPM Y-4329 = NRRL Y-63971) isolated by H. Phaff from exudate of an elm tree <i>Ulmus davidiana</i> var. <i>japonica</i> in 1967 (Tomakomai, Japan). The new species was differentiated from <i>K. kurtzmanii</i>, <i>K. mondaviorum</i>, <i>K. pastoris</i>, <i>K. phaffii</i>, <i>K. populi</i>, <i>K. pseudopastoris</i>, and <i>K. ulmi</i> by divergence in gene sequences for D1/D2 LSU rRNA, ITS1-5.8S-ITS2, RNA polymerase subunit I, and translation elongation factor-1α. The GenBank accession numbers for the D1/D2, ITS region, EF-1α and RPB1 genes are MF276797, MF276793, MF278889 and MF278894, respectively. <i>Komagataella petrovskyi</i> sp. nov. is registered in MycoBank under MB 821790.</p>

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Komagataella petrovskyi sp. nov., a New Species of the Yeast Genus Komagataella

  • 期刊论文

  • 发表日期：

    2025年11月17日

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  • E. S. Naumova,
  • Ch.-Fu Lee,
  • K. L. Boundy-Mills,
  • G. I. Naumov

摘要

Abstract

A novel ascosporogenous methylotrophic yeast species Komagataella petrovskyi sp. nov. is described using the type strain UCDFST 67-562T (=CBS 15016 = VKPM Y-4329 = NRRL Y-63971) isolated by H. Phaff from exudate of an elm tree Ulmus davidiana var. japonica in 1967 (Tomakomai, Japan). The new species was differentiated from K. kurtzmanii, K. mondaviorum, K. pastoris, K. phaffii, K. populi, K. pseudopastoris, and K. ulmi by divergence in gene sequences for D1/D2 LSU rRNA, ITS1-5.8S-ITS2, RNA polymerase subunit I, and translation elongation factor-1α. The GenBank accession numbers for the D1/D2, ITS region, EF-1α and RPB1 genes are MF276797, MF276793, MF278889 and MF278894, respectively. Komagataella petrovskyi sp. nov. is registered in MycoBank under MB 821790.