4.4 Article

Buttiauxella massiliensis sp. nov., Isolated from a Human Bone Infection

Journal

CURRENT MICROBIOLOGY
Volume 79, Issue 2, Pages -

Publisher

SPRINGER
DOI: 10.1007/s00284-021-02714-3

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Funding

  1. Mediterranee Infection
  2. National Research Agency under the program Investissements d'avenir [ANR-10-IAHU-03]
  3. Region Provence Alpes Cote d'Azur
  4. European funding FEDER IHUBIOTK

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This article reports the isolation of a strain called Marseille-P9829 from a bone sample collected from a 46-year-old patient with an open right fibula fracture. Through various methods of classification and identification, it was confirmed that this strain belongs to a new species of Buttiauxella, and a proposed name was suggested.
Strain Marseille-P9829 was isolated from a bone sample collected from an open right fibula fracture from a 46-years old patient. Strain Marseille-P9829 (= CSUR P9829 = DSM 110695) was a Gram-negative, non-spore-forming and non-motile bacterium. This strain had a positive catalase activity but was oxidase-negative. The major fatty acids methyl esters were hexadecanoic acid (45.6%) and 9-hexadecenoic acid (28.4%). Matrix Assisted Laser Desorption/Ionization-Time of Flight Mass Spectrometry analysis suggested that this strain belongs to the species Buttiauxella gaviniae. Since there were few reports of clinical infections with this species in humans, whole genome sequencing was performed and a polyphasic taxono-genomic approach was followed in order to verify the classification of strain Marseille-P9829. The 16S rRNA gene sequence BLAST against the NCBI database yielded the highest similarity of 99.8% with Buttiauxella agrestis, suggesting that strain Marseille-P9829 belongs to this species. However, genomic comparison by digital DNA-DNA hybridization showed that values between strain Marseille-P9829 and other validly published Buttiauxella species were all lower than 70%. Furthermore, all average nucleotide identities were lower than 95-96%. Therefore, these results confirmed that strain Marseille-P9829 belonged to a new Buttiauxella species for which we propose the name Buttiauxella massiliensis sp. nov., with strain Marseille-P9829 as type strain.

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