1887

Abstract

A thermoacidophilic, anaerobic, and iron- and sulfur-reducing archaeon, strain NAS-02, was isolated from a terrestrial hot spring in Japan, as previously reported. This organism is the first non-ammonia-oxidizing isolate in the phylum . Here, we propose gen. nov., sp. nov. to accommodate this strain. The type strain of the type species is NAS-02 (=JCM 31663=DSM 105898). The values of 16S rRNA gene similarity and average amino acid identity between NAS-02 and its closest relatives are <86 and <42 %, respectively. Based on the phylogeny and physiology, we propose the family fam. nov., the order ord. nov. and the class class. nov. to accommodate the novel genus.

Funding
This study was supported by the:
  • MoriyaOhkuma , RIKEN , (Award interdisciplinary research program Integrated Symbiology)
  • ShingoKato , Japan Society for the Promotion of Science , (Award 19H03310)
  • MoriyaOhkuma , Japan Society for the Promotion of Science , (Award 19H05689)
  • MoriyaOhkuma , Japan Society for the Promotion of Science , (Award 19H05679)
  • ShingoKato , RIKEN , (Award Special Postdoctoral Researchers Program)
  • ShingoKato , Institute for Fermentation, Osaka
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/content/journal/ijsem/10.1099/ijsem.0.004595
2020-12-09
2021-03-02
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