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As a consequence, deciphering its microbial diversity is mandatory. A polyphasic taxonogenomic strategy based on the combination of phenotypic and genomic analyses was used to characterize a new bacterium, strain Marseille-P2911. This strain was isolated from a left colon sample of a 60-year old man who underwent a colonoscopy for an etiological investigation of iron-deficiency anemia in Marseille, France. On the basis of 16S rRNA sequence comparison, the closest phylogenetic neighbor was\n                    <jats:italic>Anaeroglobus geminatus<\/jats:italic>\n                    (94.59% 16S rRNA gene sequence similarity) within the family Veillonellaceae. Cells were anaerobic, Gram-stain-positive, non-spore-forming, catalase\/oxidase negative cocci grouped in pairs. The bacterium was able to grow at 37\u2009\u00b0C after 2 days of incubation. Strain Marseille-P2911 exhibited a genome size of 1,715,864-bp with a 50.2% G\u2009+\u2009C content, and digital DNA-DNA hybridization (dDDH) and OrthoANI values with\n                    <jats:italic>A. geminatus<\/jats:italic>\n                    of only 19.1\u2009\u00b1\u20094.5% and 74.42%, respectively. The latter value being lower than the threshold for genus delineation (80.5%), we propose the creation of the new genus\n                    <jats:italic>Colibacter<\/jats:italic>\n                    gen. nov., with strain Marseille-P2911\n                    <jats:sup>T<\/jats:sup>\n                    (=DSM 103304\u2009=\u2009CSUR P2911) being the type strain of the new species\n                    <jats:italic>Colibacter massiliensis<\/jats:italic>\n                    gen. nov., sp. nov.\n                  <\/jats:p>","DOI":"10.1038\/s41598-019-53791-1","type":"journal-article","created":{"date-parts":[[2019,11,20]],"date-time":"2019-11-20T06:04:02Z","timestamp":1574229842000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Colibacter massiliensis gen. nov. sp. nov., a novel Gram-stain-positive anaerobic diplococcal bacterium, isolated from the human left colon"],"prefix":"10.1038","volume":"9","author":[{"given":"Hussein","family":"Anani","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rita Abou","family":"Abdallah","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"May","family":"Khoder","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Anthony","family":"Fontanini","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Morgane","family":"Mailhe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Davide","family":"Ricaboni","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Didier","family":"Raoult","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8463-8885","authenticated-orcid":false,"given":"Pierre-Edouard","family":"Fournier","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2019,11,20]]},"reference":[{"key":"53791_CR1","doi-asserted-by":"publisher","first-page":"430","DOI":"10.1016\/0966-842X(96)10057-3","volume":"4","author":"R Berg","year":"1996","unstructured":"Berg, R. 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