Name: Meiothermus roseus Ming et al. 2016

Category: Species

Proposed as: sp. nov.

Etymology: ro’se.us. L. masc. adj. roseus, rose coloured, rosy, as a rose-coloured diffusible pigment is produced on R2A medium

Pronunciation, gender: RO-se-us, masculine

Type strain: DSM 29972; KCTC 42495; NBRC 110900; YIM 71031

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: KP232921 Analyse FASTA

Effective publication: Ming H, Duan YY, Guo QQ, Yin YR, Zhou EM, Liu L, Li S, Nie GX, Li WJ. Meiothermus roseus sp. nov., a thermophilic bacterium isolated from a geothermal area. Antonie Van Leeuwenhoek 2015; 108:897-905.

IJSEM list: Oren A, Garrity GM. Validation list no. 167. List of new names and new combinations previously effectively, but not validly, published. Int J Syst Evol Microbiol 2016; 66:1-3.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Calidithermus roseus (Ming et al. 2016) Raposo et al. 2019

Risk group: 1

• Synonyms:

  • Name	Kind
    Calidithermus roseus (Ming et al. 2016) Raposo et al. 2019	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Meiothermus roseus is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Meiothermus.
  • 😷 The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1. — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 2 times in PubMed until 2025-06-04.

Parent taxon: Meiothermus Nobre et al. 1996

Assigned by: Ming H, Duan YY, Guo QQ, Yin YR, Zhou EM, Liu L, Li S, Nie GX, Li WJ. Meiothermus roseus sp. nov., a thermophilic bacterium isolated from a geothermal area. Antonie Van Leeuwenhoek 2015; 108:897-905.

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Record number: 793697