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

Category: Species

Proposed as: comb. nov.

Basonym: Thermoactinomyces sacchari Lacey 1971 (Approved Lists 1980)

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

Gender: feminine

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

Valid publication: Yoon JH, Kim IG, Shin YK, Park YH. Proposal of the genus Thermoactinomyces sensu stricto and three new genera, Laceyella, Thermoflavimicrobium and Seinonella, on the basis of phenotypic, phylogenetic and chemotaxonomic analyses. Int J Syst Evol Microbiol 2005; 55:395-400. 🇰🇷

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 55, part 1 of the IJSEM. Int J Syst Evol Microbiol 2005; 55:987-991.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    Thermoactinomyces thalpophilus (ex Waksman and Corke 1953) Lacey and Cross 1989	heterotypic synonym, validly published under the ICNP
    Thermoactinomyces sacchari Lacey 1971 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Emendations:
  • Jiang et al. 2019 Jiang Z, Xiao M, Yang LL, Zhi XY, Li WJ. Genome-based taxonomic classification within the family Thermoactinomycetaceae. Int J Syst Evol Microbiol 2019; 69:2028-2036. 🇨🇳 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 69, part 7 of the IJSEM. Int J Syst Evol Microbiol 2019; 69:2963-2965.

• Notes:
  • 🥇 Nomenclatural type of the genus Laceyella Yoon et al. 2005. Publication: Yoon JH, Kim IG, Shin YK, Park YH. Proposal of the genus Thermoactinomyces sensu stricto and three new genera, Laceyella, Thermoflavimicrobium and Seinonella, on the basis of phenotypic, phylogenetic and chemotaxonomic analyses. Int J Syst Evol Microbiol 2005; 55:395-400. 🇰🇷
  • ⏰ 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. 🇰🇷
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — 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 26 times in PubMed until 2025-06-04.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as 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: Laceyella Yoon et al. 2005

Assigned by: Yoon JH, Kim IG, Shin YK, Park YH. Proposal of the genus Thermoactinomyces sensu stricto and three new genera, Laceyella, Thermoflavimicrobium and Seinonella, on the basis of phenotypic, phylogenetic and chemotaxonomic analyses. Int J Syst Evol Microbiol 2005; 55:395-400. 🇰🇷

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Record number: 777236