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<p>A novel fungal species, viz. <i>Spegazzinia menglaensis</i> belonging to Didymosphaeriaceae (Pleosporales, Dothideomycetes)<i>,</i> was isolated from air samples in China. <i>Spegazzinia</i> <i>menglaensis</i> is characterized by basauxic conidiophores, with a light brown conidiophore mother cell, and 4-celled, stellate α conidia and disc-shaped β conidia. To further confirm its taxonomic placement, in-depth molecular analyses were conducted, utilizing multiple loci including internal transcribed spacers (ITS), large subunit of nuclear ribosomal RNA gene (LSU), translation elongation factor 1-α (<i>tef</i>1-α). The molecular analyses revealed that <i>S</i>. <i>menglaensis</i> formed distinct clade within <i>Spegazzinia</i>, which is close to <i>S. jinghaensis.</i> To provide a comprehensive understanding of the new fungal species, detailed descriptions, accompanied by illustrative images, as well as a phylogenetic tree showcasing the position of <i>S</i>. <i>menglaensis</i> within the taxonomic framework, have been included.</p>

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Spegazzinia menglaensis, A Novel Species of Didymosphaeriaceae from Air in China

  • 期刊论文

  • 发表日期：

    2025年4月25日

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  • Xingwen Dai,
  • Linlin Fang,
  • Tong Chen,
  • Manyao Feng,
  • Zefen Yu

摘要

A novel fungal species, viz. Spegazzinia menglaensis belonging to Didymosphaeriaceae (Pleosporales, Dothideomycetes), was isolated from air samples in China. Spegazzinia menglaensis is characterized by basauxic conidiophores, with a light brown conidiophore mother cell, and 4-celled, stellate α conidia and disc-shaped β conidia. To further confirm its taxonomic placement, in-depth molecular analyses were conducted, utilizing multiple loci including internal transcribed spacers (ITS), large subunit of nuclear ribosomal RNA gene (LSU), translation elongation factor 1-α (tef1-α). The molecular analyses revealed that S. menglaensis formed distinct clade within Spegazzinia, which is close to S. jinghaensis. To provide a comprehensive understanding of the new fungal species, detailed descriptions, accompanied by illustrative images, as well as a phylogenetic tree showcasing the position of S. menglaensis within the taxonomic framework, have been included.