The Phylogenetic Relationships of the Saturn-shaped Ascospore-forming Species of the Genus Williopsis Zender and Related Genera Based on the Partial Sequences of 18S and 26S Ribosomal RNAs (Saccharomycetaceae) : The Proposal of Komagataea Gen.Nov.
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概要
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The partial base sequences of 18S and 26S rRNAs of strains of Williopsis and Saturnospora species were analyzed. In the three regions partially sequenced, the higher base differences were observed in the strains examined of the three species, W. californica, W. mucosa, and W. pratensis, compared with those of W. saturnus var. saturnus (type species of genus Williopsis), W. beijerinckii, W. mrakii, W. saturnus var. subsuLfficiens, W. suaveolens, P. membranaefaciens (type species of genus Pichia), C. matritensis (type species of genus Citeromyces), and S'spora dispora (type species of genus Saturnospora) : the percent similarities were 52-82 in positions 493-622, 130 bases, of 26S rRNA, and the number of base differences was 28-6 in positions 1611-1835, 225 bases, of 26S rRNA, and the number of base differences was 2541in positions 1451-1618, 168 bases, of 18S rRNA. In the 18S rRNA partial base sequencings, W. mucosa had an identical base sequence with P. anomala (≡H. anomala, type species of genus Hansenula). Based on the sequence data obtained, the taxonomic positions of the three Williopsis species mentioned above are discussed. The genus Zygowilliopsis KUDRIAVZEV was postulated to be retained and emended, and a new genus, Komagataea was proposed for W. pratensis with a new combination, Komagataea pratensis.
- 社団法人日本農芸化学会の論文
- 1994-07-23
著者
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YAMADA Yuzo
Laboratory of Applied Microbiology, Department of Applied Biological Chemistry, Faculty of Agricultu
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Yamada Yukio
Fine Chemicals Research Laboratories Kaneka Corporation
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Yamada Yukio
Mechanical Engineering Laboratory Material Science And Bioengineering Department Aist
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MIKATA Kozaburo
Institute for Fermentation
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Mikata K
Inst. Fermentation Osaka Jpn
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Sakakibara Chihiro
Laboratory Of Applied Microbiology Department Of Agricultural Chemistry Faculty Of Agriculture Shizu
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Maeda Kojiro
Laboratory of Applied Microbiology, Department of Agricultural Chemistry, Faculty of Agriculture, Sh
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Matsuda Minako
Laboratory Of Applied Microbiology Department Of Applied Biological Chemistry Faculty Of Agriculture
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Yamada Yuzo
Laboratory Of Applied Microbioligy Department Of Agricultural Chemistry Shizuoka University
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