Name: Sphaerobacter thermophilus Demharter et al. 1989

Category: Species

Proposed as: sp. nov.

Etymology: ther.mo’phi.lus. Gr. fem. adj. thermê, heat; N.L. adj. philus -a -um, friend, loving; from Gr. adj. philos -ê -on, loving; N.L. masc. adj. thermophilus, heat-loving

Gender: masculine

Type strain: DSM 20745; KCCM 41009; S 6022

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ420142 Analyse FASTA

Effective publication: Demharter W, Hensel R, Smida J, Stackebrandt E. Sphaerobacter thermophilus gen. nov., sp. nov. A deeply rooting member of the actinomycetes subdivision isolated from thermophilically treated sewage sludge. Syst. Appl. Microbiol. 1989; 11:261-266.

IJSEM list: Anonymous. Validation list no. 31. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1989; 39:495-497.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 1

• Emendations:
  • Houghton et al. 2015 Houghton KM, Morgan XC, Lagutin K, MacKenzie AD, Vyssotskii M, Mitchell KA, McDonald IR, Morgan HW, Power JF, Moreau JW, et al. Thermorudis pharmacophila sp. nov., a novel member of the class Thermomicrobia isolated from geothermal soil, and emended descriptions of Thermomicrobium roseum, Thermomicrobium carboxidum, Thermorudis peleae and Sphaerobacter thermophilus. Int J Syst Evol Microbiol 2015; 65:4479-4487. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 65, part 12 of the IJSEM. Int J Syst Evol Microbiol 2016; 66:1600-1602.
  • Nouioui et al. 2018 Nouioui I, Carro L, Garcia-Lopez M, Meier-Kolthoff JP, Woyke T, Kyrpides NC, Pukall R, Klenk HP, Goodfellow M, Goker M. Genome-Based Taxonomic Classification of the Phylum Actinobacteria. Front Microbiol 2018; 9:2007. Oren A, Garrity GM. List of changes in taxonomic opinion no. 29. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2019; 69:13-32.

• Notes:
  • 🥇 Nomenclatural type of the genus Sphaerobacter Demharter et al. 1989. Publication: Demharter W, Hensel R, Smida J, Stackebrandt E. Sphaerobacter thermophilus gen. nov., sp. nov. A deeply rooting member of the actinomycetes subdivision isolated from thermophilically treated sewage sludge. Syst. Appl. Microbiol. 1989; 11:261-266.
  • 😷 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 2023-10-29. The full classification is: risk group = 1.
  • 🎓 Name mentioned 15 times in PubMed until 2024-03-27.
  • 🧍 The genome of the type strain was sequenced as part of the GEBA (Genomic Encyclopedia of Bacteria and Archaea) project. Publication: Pati A, Labutti K, Pukall R, Nolan M, Glavina Del Rio T, Tice H, Cheng JF, Lucas S, Chen F, Copeland A, et al. Complete genome sequence of Sphaerobacter thermophilus type strain (S 6022). Stand Genomic Sci 2010; 2:49-56.

Parent taxon: Sphaerobacter Demharter et al. 1989

Assigned by: Demharter W, Hensel R, Smida J, Stackebrandt E. Sphaerobacter thermophilus gen. nov., sp. nov. A deeply rooting member of the actinomycetes subdivision isolated from thermophilically treated sewage sludge. Syst. Appl. Microbiol. 1989; 11:261-266.

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Record number: 780966