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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo

Volume 69, Issue 12

Description of gen. nov., sp. nov., and proposal of ord. nov. containing two novel families of fam. nov. and fam. nov. Free

Abstract

A Gram-stain-negative, rod-shaped, chemoorganotrophic and anaerobic bacterium, strain SK-G1, was isolated from oily sludge sampled at the Shengli oilfield in PR China. Growth occurred with 0–30 g l NaCl, at 40–65 °C and at pH 6.0–8.5. The predominant fatty acids were C and C, and the major cellular polar lipids were phosphatidylglycerol and phosphatidylethanolamine. No respiratory quinone was detected. The genomic G+C content was 43.9 mol%. The strain had highest 16S rRNA gene sequence similarity (93.2 % identity) to DSM 15584. The phylogenetic, phenotypic and chemotaxonomic data showed that strain SK-G1 (=CCAM 530=KCTC 15783=JCM 33158) represents a novel species of a new genus gen. nov., sp. nov. The results of phylogenetic and phylogenomic analyses indicated that the genera , , , , , and formed a clade with high bootstrap support distinguishing to other taxon within the order Thermoanaerobacterales. This clade is proposed as ord. nov. and includes fam. nov. and fam. nov. Emended descriptions of the order and family are also provided.

  • Received:
  • Accepted:
  • Published Online:
Keyword(s): Biomaibacter acetigenes , phylogenomic analysis , Tepidanaerobacteraceae , Thermoanaerobacterales , Thermosediminibacteraceae and Thermosediminibacterales
© 2019 The Authors
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2019-12-01
2024-04-25
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Description of Biomaibacter acetigenes gen. nov., sp. nov., and proposal of Thermosediminibacterales ord. nov. containing two novel families of Tepidanaerobacteraceae fam. nov. and Thermosediminibacteraceae fam. nov.
Int J Syst Evol Microbiol 69, 3891 (2019); https://doi.org/10.1099/ijsem.0.003701
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