論文

筆頭著者
2020年3月1日

Dictyobacter vulcani sp. nov., belonging to the class Ktedonobacteria, isolated from soil of the Mt Zao volcano

International Journal of Systematic and Evolutionary Microbiology
  • Yu Zheng
  • ,
  • Chiung-mei Wang
  • ,
  • Yasuteru Sakai
  • ,
  • Keietsu Abe
  • ,
  • Akira Yokota
  • ,
  • Shuhei Yabe

70
3
開始ページ
1805
終了ページ
1813
記述言語
掲載種別
研究論文(学術雑誌)
DOI
10.1099/ijsem.0.003975
出版者・発行元
Microbiology Society

An aerobic, Gram-stain-positive, mesophilic <italic>
<named-content content-type="class">
<ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.14014" xlink:type="simple">Ktedonobacteria</ext-link>
</named-content>
</italic> strain, W12T, was isolated from soil of the Mt Zao volcano in Miyagi, Japan. Cells were filamentous, non-motile, and grew at 20–37 °C (optimally at 30 °C), at pH 5.0–7.0 (optimally at pH 6.0) and with &lt;2 % (w/v) NaCl on 10-fold diluted Reasoner’s 2A (R2A) medium. Oval-shaped spores were formed on aerial mycelia. Strain W12T hydrolysed microcrystalline cellulose and xylan very weakly, and used <sc>d</sc>-glucose as its sole carbon source. The major menaquinone was MK-9, and the major cellular fatty acids were C16 : 1 2-OH, iso-C17 : 0, summed feature 9 (10-methyl C16 : 0 and/or iso-C17 : 1ω9<italic>c</italic>) and anteiso-C17 : 0. Cell-wall sugars were mannose and xylose, and cell-wall amino acids were <sc>d</sc>-glutamic acid, glycine, <sc>l</sc>-serine, <sc>d</sc>-alanine, <sc>l</sc>-alanine, β-alanine and <sc>l</sc>-ornithine. Polar lipids were phosphatidylinositol, phosphatidylglycerol, diphosphatidylglycerol, an unidentified glycolipid and an unidentified phospholipid. Strain W12T has a genome of 7.42 Mb with 49.7 mol% G+C content. Nine copies of 16S rRNA genes with a maximum dissimilarity of 1.02 % and 13 biosynthetic gene clusters mainly coding for peptide products were predicted in the genome. Phylogenetic analysis based on both 16S rRNA gene and whole genome sequences indicated that strain W12T represents a novel species in the genus <italic>
<named-content content-type="genus">
<ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.30495" xlink:type="simple">Dictyobacter</ext-link>
</named-content>
</italic>. The most closely related <italic>
<named-content content-type="genus">
<ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.30495" xlink:type="simple">Dictyobacter</ext-link>
</named-content>
</italic> type strain was <italic>
<named-content content-type="species">
<ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.34507" xlink:type="simple">Dictyobacter alpinus</ext-link>
</named-content>
</italic> Uno16T, with 16S rRNA gene sequence similarity and genomic average nucleotide identity of 98.37 % and 80.00 %, respectively. Herein, we propose the name <italic>Dictyobacter vulcani</italic> sp. nov. for the type strain W12T (=NBRC 113551T=BCRC 81169T) in the bacterial class <italic>
<named-content content-type="class">
<ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.14014" xlink:type="simple">Ktedonobacteria</ext-link>
</named-content>
</italic>.

リンク情報
DOI
https://doi.org/10.1099/ijsem.0.003975
URL
https://www.microbiologyresearch.org/content/journal/ijsem/10.1099/ijsem.0.003975?crawler=true
ID情報
  • DOI : 10.1099/ijsem.0.003975
  • ISSN : 1466-5026
  • eISSN : 1466-5034

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