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Iversen, XES, Rasmussen, EM, Folkvardsen, DB, Svensson, E, Meehan, CJ 
ORCID: https://orcid.org/0000-0003-0724-8343, Jørgensen, R, Norman, A and Lillebaek, T,
2025.
Four novel nontuberculous mycobacteria species: Mycobacterium wendilense sp. nov., Mycobacterium burgundiense sp. nov., Mycobacterium kokjensenii sp. nov. and Mycobacterium holstebronense sp. nov. revived from a historical Danish strain collection.
International Journal of Systematic and Evolutionary Microbiology, 75 (1).
ISSN 1466-5026
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Abstract
Four novel nontuberculous mycobacteria were discovered from a historical strain collection at the International Reference Laboratory of Mycobacteriology at Statens Serum Institut in Copenhagen, Denmark. Phylogenetic analysis combining the 16S rrs, internal transcribed spacer and 23S rrl elements, as well as a single-copy core-gene (hsp65, rpoB+C, secA and tuf) analysis of these freeze-dried mycobacteria, clinically isolated from gastric lavage samples between 1948 and 1955, showed to be associated with type strains grouping within the Terra and Fortuitum-Vaccae clade. Phenotypic characteristics, biochemical properties and fatty acid and mycolic acid profiles supported the classification as novel strains. A genomic comparison to the closest related type strain was done by calculating average nucleotide identity and in silico DNA:DNA hybridization values, which showed 87.9% and 33.0% for Mu0050, 85.2% and 27.4% for Mu0053, 85.3% and 27.6% for Mu0083 and 93.3% and 50.1% for Mu0102, respectively. The names proposed for the new species are Mycobacterium wendilense sp. nov. (Mu0050T=ITM 501390T=CCUG 77525T), Mycobacterium burgundiense sp. nov. (Mu0053T=ITM 501391T=CCUG 77526T), Mycobacterium kokjensenii sp. nov. (Mu0083T=ITM 501392T=CCUG 77527T) and Mycobacterium holstebronense sp. nov. (Mu0102T=ITM 501393T=CCUG 77528T).
| Item Type: | Journal article |
|---|---|
| Publication Title: | International Journal of Systematic and Evolutionary Microbiology |
| Creators: | Iversen, X.E.S., Rasmussen, E.M., Folkvardsen, D.B., Svensson, E., Meehan, C.J., Jørgensen, R., Norman, A. and Lillebaek, T. |
| Publisher: | Microbiology Society |
| Date: | 9 January 2025 |
| Volume: | 75 |
| Number: | 1 |
| ISSN: | 1466-5026 |
| Identifiers: | Number Type 10.1099/ijsem.0.006620 DOI 2348028 Other |
| Rights: | © 2025 The Authors. This is an open-access article distributed under the terms of the Creative Commons Attribution License. |
| Divisions: | Schools > School of Science and Technology |
| Record created by: | Laura Borcherds |
| Date Added: | 21 Jan 2025 13:59 |
| Last Modified: | 21 Jan 2025 13:59 |
| URI: | https://irep.ntu.ac.uk/id/eprint/52880 |
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