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. 2022 Jan 20;79(2):68.
doi: 10.1007/s00284-021-02757-6.

Konateibacter massiliensis gen. nov. sp. nov. and Paenibacillus faecalis sp. nov., Two New Species Isolated from the Stool Samples of Infants Suffering from Marasmus

Marièma Sarr  1   2   3 , Mamadou L Tall  1   2 , Mariem Ben Khedher  1   2 , Thi-Phuong-Thao Pham  1   2 , Babacar Mbaye  1   2 , Aminata Camara  1   2 , Nicholas Armstrong  1   2 , Céline Chartier  1   2 , Amael Fadlane  1   2 , Cheikh Sokhna  2   4   3 , Didier Raoult  1   2 , Maryam Tidjani Alou  1   2 , Matthieu Million  5   6
Affiliations

Konateibacter massiliensis gen. nov. sp. nov. and Paenibacillus faecalis sp. nov., Two New Species Isolated from the Stool Samples of Infants Suffering from Marasmus

Marièma Sarr et al. Curr Microbiol. .

Abstract

Two bacterial strains were isolated and identified using microbial culturomics and characterised according to the taxono-genomics strategy. The strictly anaerobic strain, Marseille-P3773T, forms smooth and translucent colonies consisting of Gram-stain negative, non-motile and non-spore-forming rod-shaped cells. Strain Marseille-P3787T consists of Gram-stain positive, motile and spore-forming cells resulting in grey and translucent colonies. The phylogenetic analysis of the 16S rRNA gene of strains Marseille-P3773T and Marseille-P3787T revealed a 96.9% similarity level with Lachnotalea glycerini strain DLD10 and 97% identity with Paenibacillus uliginis strain N3/975, respectively. The genome of strain Marseille-P3773 is 4,260,534 bp long with a 40.3 mol% G + C content and includes 3879 predicted genes of which 3769 are protein-coding genes, 76 RNAs and 34 are pseudo-genes. Strain Marseille-P3787 had a genome size of 4,833,032 bp with a 47.9 mol% G + C and has 4481 predicted genes of which 4265 are protein-coding genes, 101 RNAs and 115 are pseudo-genes. According to the data collected on these strains and, more specifically to the genomic comparison, we suggest the creation of a new genus and species, Konateibacter massiliensis gen. nov., sp. nov. with strain Marseille-P3773T (=CSURP3773 and CCUG71331) as its type strain within the Lachnospiraceae family, as well as a new species, Paenibacillus faecalis sp. nov. with strain Marseille-P3787T (=CSURP3787 and CCUG71650) as its type strain within the Paenibacillus genus.

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