An Updated Global Species Diversity and Phylogeny in the Genus <i>Wickerhamomyces</i> with Addition of Two New Species from Thailand
Ascomycetous yeast species in the genus <i>Wickerhamomyces</i> (Saccharomycetales, Wickerhamomycetaceae) are isolated from various habitats and distributed throughout the world. Prior to this study, 35 species had been validly published and accepted into this genus. Beneficially, <i&g...
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| Autores principales: | , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
MDPI AG
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/835d87b43d3c412d8582cac96ce2efc4 |
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| Sumario: | Ascomycetous yeast species in the genus <i>Wickerhamomyces</i> (Saccharomycetales, Wickerhamomycetaceae) are isolated from various habitats and distributed throughout the world. Prior to this study, 35 species had been validly published and accepted into this genus. Beneficially, <i>Wickerhamomyces</i> species have been used in a number of biotechnologically applications of environment, food, beverage industries, biofuel, medicine and agriculture. However, in some studies, <i>Wickerhamomyces</i> species have been identified as an opportunistic human pathogen. Through an overview of diversity, taxonomy and recently published literature, we have updated a brief review of <i>Wickerhamomyces</i>. Moreover, two new <i>Wickerhamomyces</i> species were isolated from the soil samples of Assam tea (<i>Camellia sinensis</i> var. <i>assamica</i>) that were collected from plantations in northern Thailand. Herein, we have identified these species as <i>W</i>. <i>lannaensis</i> and <i>W</i>. <i>nanensis</i>. The identification of these species was based on phenotypic (morphological, biochemical and physiological characteristics) and molecular analyses. Phylogenetic analyses of a combination of the internal transcribed spacer (ITS) region and the D1/D2 domains of the large subunit (LSU) of ribosomal DNA genes support that <i>W</i>. <i>lannaensis</i> and <i>W</i>. <i>nanensis</i> are distinct from other species within the genus <i>Wickerhamomyces</i>. A full description, illustrations and a phylogenetic tree showing the position of both new species have been provided. Accordingly, a new combination species, <i>W</i>. <i>myanmarensis</i> has been proposed based on the phylogenetic results. A new key for species identification is provided. |
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