Thirty-three strains previously characterized by the French National Reference Laboratory (YNRL) and isolated from humans and animals were suspected to belong to six novel species by a recently described core genome multilocus sequence typing scheme. These strains and five additional strains from the YNRL were characterized using a polyphasic taxonomic approach including a phylogenetic analysis based on 500 core genes, determination of average nucleotide identity (ANI), determination of DNA G+C content and identification of phenotypic features. Phylogenetic analysis confirmed that the 38 studied strains formed six well-demarcated clades. ANI values between these clades and their closest relatives were <94.7 % and ANI values within each putative novel species were >97.5 %. Distinctive biochemical characteristics were identified in five out of the six novel species. All of these data demonstrated that the 38 strains belong to six novel species of the genus : sp. nov., type strain IP42281 (=CIP 111845=DSM 110725); sp. nov., type strain IP37424 (=CIP 111847=DSM 110727); sp. nov., type strain IP38850 (=CIP 111848=DSM 110726); sp. nov., type strain IP38594 (=CIP 111844=DSM 110738); sp. nov., type strain IP34646 (=CIP 111842=DSM 110736); and sp. nov., type strain IP35638 (=CIP 111843=DSM 110739).
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| http://dx.doi.org/10.1099/ijsem.0.004417 | DOI Listing |
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