Draft genomes and descriptions of Urmitella timonensis gen. nov., sp. nov. and Marasmitruncus massiliensis gen. nov., sp. nov., isolated from severely malnourished African children using culturomics - Archive ouverte HAL Access content directly
Journal Articles Antonie van Leeuwenhoek Year : 2022

Draft genomes and descriptions of Urmitella timonensis gen. nov., sp. nov. and Marasmitruncus massiliensis gen. nov., sp. nov., isolated from severely malnourished African children using culturomics

Rim Iwaza
  • Function : Author

Abstract

Abstract Two strains, designated as Marseille-P2918 T and Marseille-P3646 T , were isolated from a 14-week-old Senegalese girl using culturomics: Urmitella timonensis strain Marseille-P2918 T (= CSUR P2918, = DSM 103634) and Marasmitruncus massiliensis strain Marseille-P3646 T (= CSUR P3646, = CCUG72353). Both strains were rod-shaped, anaerobic, spore forming motile bacteria. The 16S rRNA gene sequences of strains Marseille-P2918 T (LT598554) and Marseille-P3646 T (LT725660) shared 93.25% and 94.34% identity with Tissierella praeacuta ATCC 25539 T and Anaerotruncus colihominis CIP 107754 T , their respective phylogenetically closest species with standing in nomenclature. Therefore, strain Marseille-P2918 T is classified within the family Tissierellaceae and order Tissierellales whereas strain Marseille-P3646 T is classified within the family Oscillospiraceae and order Eubacteriales . The genome of strain Marseille-P2918 T had a size of 2.13 Mb with a GC content of 50.52% and includes six scaffolds and six contigs, and that of strain Marseille-P3646 T was 3.76 Mbp long consisting of five contigs with a 50.04% GC content. The genomes of both strains presented a high percentage of genes encoding enzymes involved in genetic information and processing, suggesting a high growth rate and adaptability. These new taxa are extensively described and characterised in this paper, using the concept of taxono-genomic description.

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hal-03948575 , version 1 (20-01-2023)

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Sara Bellali, Gabriel Haddad, Thi-Phuong-Thao Pham, Rim Iwaza, Ahmad Ibrahim, et al.. Draft genomes and descriptions of Urmitella timonensis gen. nov., sp. nov. and Marasmitruncus massiliensis gen. nov., sp. nov., isolated from severely malnourished African children using culturomics. Antonie van Leeuwenhoek, 2022, 115 (11), pp.1349-1361. ⟨10.1007/s10482-022-01777-x⟩. ⟨hal-03948575⟩
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