Name: Meiothermus silvanus (Tenreiro et al. 1995) Nobre et al. 1996

Category: Species

Proposed as: comb. nov.

Basonym: Thermus silvanus Tenreiro et al. 1995

Etymology: sil.va’nus. N.L. masc. adj. silvanus, named after Manuel T. Silva, Portuguese microbiologist and immunologist

Pronunciation (Latin), gender: me-io-T^HER-mus sil-WA-nus, masculine

Type strain: ATCC 700542; BCRC 17112; DSM 9946; NBRC 106475; NCIMB 13440; V1-R2; VI-R2

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: X84211 Analyse FASTA

Valid publication: Nobre MF, Trüper HG, Da Costa MS. Transfer of Thermus ruber (Loginova et al. 1984), Thermus silvanus (Tenreiro et al. 1995), and Thermus chliarophilus (Tenreiro et al. 1995) to Meiothermus gen. nov. as Meiothermus ruber comb. nov., Meiothermus silvanus comb. nov., and Meiothermus chliarophilus comb. nov., respectively, and emendation of the genus Thermus. Int. J. Syst. Bacteriol. 1996; 46:604-606. 🇵🇹

IJSEM list: Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 46, part 2 of the IJSB. Int J Syst Bacteriol 1996; 46:838.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Allomeiothermus silvanus (Tenreiro et al. 1995) Jiao et al. 2023

Risk group: 1

• Synonyms:

  • Name	Kind
    Thermus silvanus Tenreiro et al. 1995	homotypic synonym, validly published under the ICNP
    Allomeiothermus silvanus (Tenreiro et al. 1995) Jiao et al. 2023	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Meiothermus silvanus 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 Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2026-08-13. 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 12 times in PubMed until 2026-06-11.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Sikorski J, Tindall BJ, Lowry S, Lucas S, Nolan M, Copeland A, Glavina Del Rio T, Tice H, Cheng JF, Han C, et al. Complete genome sequence of Meiothermus silvanus type strain (VI-R2). Stand Genomic Sci 2010; 3:37-46. 🇺🇸

Parent taxon: Meiothermus Nobre et al. 1996

Assigned by: Nobre MF, Trüper HG, Da Costa MS. Transfer of Thermus ruber (Loginova et al. 1984), Thermus silvanus (Tenreiro et al. 1995), and Thermus chliarophilus (Tenreiro et al. 1995) to Meiothermus gen. nov. as Meiothermus ruber comb. nov., Meiothermus silvanus comb. nov., and Meiothermus chliarophilus comb. nov., respectively, and emendation of the genus Thermus. Int. J. Syst. Bacteriol. 1996; 46:604-606. 🇵🇹

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Record number: 777753