Name: Thermoactinomyces sacchari Lacey 1971 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: sac’cha.ri. N.L. neut. n. Saccharum, generic name of sugar cane; N.L. gen. neut. n. sacchari, of sugar cane

Pronunciation (Latin), gender: … SAK-k^ha-ri, masculine

Type strain: ATCC 27375; CCUG 7967; DSM 43356; IFO 13920; JCM 3137; JCM 3214; KCTC 9790; NBRC 13920; NCIB 10486; NCIMB 10486; NCTC 10721; NRRL B-16981; VKM Ac-1360

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF138737 Analyse FASTA

Effective publication: Lacey J. Thermoactinomyces sacchari sp. nov., a thermophilic actinomycete causing bagassosis. J Gen Microbiol 1971; 66:327-338.

IJSEM list: Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Laceyella sacchari (Lacey 1971) Yoon et al. 2005

Risk group: 1

• Synonyms:

  • Name	Kind
    Thermoactinomyces thalpophilus (ex Waksman and Corke 1953) Lacey and Cross 1989	heterotypic synonym, validly published under the ICNP
    Laceyella sacchari (Lacey 1971) Yoon et al. 2005	homotypic synonym, validly published under the ICNP

• Notes:
  • ⏰ According to Yoon et al. (2000), this species is an earlier heterotypic synonym of Thermoactinomyces thalpophilus (ex Waksman and Corke 1953) Lacey and Cross 1989. Publication: Yoon JH, Shin YK, Park YH. DNA-DNA relatedness among Thermoactinomyces species: Thermoactinomyces candidus as a synonym of Thermoactinomyces vulgaris and Thermoactinomyces thalpophilus as a synonym of Thermoactinomyces sacchari. Int J Syst Evol Microbiol 2000; 50:1905-1908. 🇰🇷
  • ❗ Thermoactinomyces sacchari 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 Thermoactinomyces.
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1, note = "PIIC". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "+". — 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 17 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.

Parent taxon: Thermoactinomyces Tsiklinsky 1899 (Approved Lists 1980)

Assigned by: Lacey J. Thermoactinomyces sacchari sp. nov., a thermophilic actinomycete causing bagassosis. J Gen Microbiol 1971; 66:327-338.

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Record number: 782492