Name: Myxococcus virescens Thaxter 1892 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: vi.res’cens. L. part. adj. virescens, becoming green

Gender: masculine

Type strain: ATCC 25203; DSM 2260; M22; NBRC 100334; NCIMB 13350

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB218225 Analyse FASTA

Effective publication: Thaxter R. On the Myxobacteriaceae, a new order of Schizomycetes. Botanical Gazette 1892; 17:389-406.

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: correct name

Risk group: 1

• Synonyms:

  • Name	Kind
    Myxococcus flavescens Yamanaka et al. 1990	heterotypic synonym, validly published under the ICNP

• Emendations:
  • Lang et al. 2008 Lang E, Kroppenstedt RM, Straubler B, Stackebrandt E. Reclassification of Myxococcus flavescens Yamanaka et al. 1990VP as a later synonym of Myxococcus virescens Thaxter 1892AL. Int J Syst Evol Microbiol 2008; 58:2607-2609. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 58, part 11 of the IJSEM. Int J Syst Evol Microbiol 2009; 59:205-206.
    Notes:
    • 🫂 Emendation accompanied by a proposal regarding the synonymy of the species.

• Notes:
  • ⏰ According to Lang et al. (2008), this species is an earlier heterotypic synonym of Myxococcus flavescens Yamanaka et al. 1990. Publication: Lang E, Kroppenstedt RM, Straubler B, Stackebrandt E. Reclassification of Myxococcus flavescens Yamanaka et al. 1990VP as a later synonym of Myxococcus virescens Thaxter 1892AL. Int J Syst Evol Microbiol 2008; 58:2607-2609.
  • 🧬 The phylogenomic assignment score of this taxon is -0.00897 (N = 2).
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 1". — 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 21 times in PubMed until 2024-03-27.

Parent taxon: Myxococcus Thaxter 1892 (Approved Lists 1980)

Assigned by: Thaxter R. On the Myxobacteriaceae, a new order of Schizomycetes. Botanical Gazette 1892; 17:389-406.

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Record number: 778567