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Negativibacillus massiliensis gen. nov., sp. nov., a New Bacterial Genus Isolated from a Human Left Colon Sample

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Valles, Camille | Mailhe, Morgane | Ricaboni, Davide | Armstrong, Nicholas | Alibar, Stéphane | Vitton, Véronique | Lagier, Jean-Christophe | Raoult, Didier | Tidjani Alou, Maryam

Edité par CCSD ; MDPI -

International audience. A new genus, a member of the Ruminococcaceae family, was isolated from the left colon of a healthy woman. Strain Marseille P3213 was a non-motile, spore-forming, Gram-stain negative, rod-shaped bacterium. This strictly anaerobic species reached optimal growth after an incubation of 72 h at 37 °C. The 16S rRNA gene sequence of this strain shared a 93.52% similarity level with Harryflintia acetispora strain V20-281a, its closest phylogenetic neighbor with standing in the nomenclature. Its genome had a size of 2.87 Mb, with a 45.81% G + C content. We hereby propose the creation of Negativibacillus massiliensis strain P3213T as the 43rd genus within the Ruminococcaceae family.

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