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. 2022 Sep 20;369(1):fnac086.
doi: 10.1093/femsle/fnac086.

Ottowia massiliensis sp. nov., a new bacterium isolated from a fresh, healthy human fecal sample

Mossaab Maaloum  1   2   3 , Cheikh Ibrahima Lo  1   3 , Sokhna Ndongo  3   4 , Marine Makoa Meng  1   4 , Rachid Saile  2 , Stéphane Alibar  3   4 , Didier Raoult  3   4   5 , Pierre-Edouard Fournier  1   3
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Ottowia massiliensis sp. nov., a new bacterium isolated from a fresh, healthy human fecal sample

Mossaab Maaloum et al. FEMS Microbiol Lett. .

Abstract

The culturomics method enabled isolation of a new member of the Ottowia genus from the stool sample of a healthy volunteer. Strain Marseille-P4747T exhibited a 96.18% 16S rRNA sequence identity with Ottowia beijingensis strain GCS-AN-3 (NR_133803.1), the closest species with standing in nomenclature. It is a Gram-stain-negative, nonmotile, and aerobic bacterium. It does not possess catalase and oxidase activities. Its genome has a size of 2 830 447 bp and a G + C content of 63.5 mol%. Based on the phylogenic, phenotypic, and genomic analyses, we conclude that Ottowia massiliensis sp. nov. is a new species, represented by Marseille-P4747T ( = CSUR P4747 = CECT 30348) as type strain.

Keywords: Ottowia massiliensis sp. nov; bacteria; culturomics; fecal transplant donor; taxono-genomics.

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