Description of Gabonibacter massiliensis gen. nov., sp nov., a New Member of the Family Porphyromonadaceae Isolated from the Human Gut Microbiota

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Mourembou, Gaël | Rathored, Jaishriram | Lekana-Douki, Jean Bernard | Ndjoyi-Mbiguino, Angelique | Khelaifia, Saber | Robert, Catherine | Armstrong, Nicholas | Raoult, Didier | Fournier, Pierre-Edouard

Edité par CCSD ; Springer Verlag -

International audience. The identification of human-associated bacteria is very important to control infectious diseases. In recent years, we diversified culture conditions in a strategy named culturomics, and isolated more than 100 new bacterial species and/or genera. Using this strategy, strain GM7, a strictly anaerobic gram-negative bacterium was recently isolated from a stool specimen of a healthy Gabonese patient. It is a motile coccobacillus without catalase and oxidase activities. The genome of Gabonibacter massiliensis is 3,397,022 bp long with 2880 ORFs and a G+C content of 42.09 %. Of the predicted genes, 2,819 are protein-coding genes, and 61 are RNAs. Strain GM7 differs from the closest genera within the family Porphyromonadaceae both genotypically and in shape and motility. Thus, we propose that strain GM7(T) (=CSUR P2336 = DSM 101039) is the type strain of the new genus Gabonibacter gen. nov. and the new species G. massiliensis gen. nov., sp. nov.

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