Name: Curtobacterium flaccumfaciens (Hedges 1922) Collins and Jones 1984

Category: Species

Proposed as: comb. nov.

Basonym: "Bacterium flaccumfaciens" Hedges 1922

Etymology: flac.cum.fa.ci.ens. L. adj. flaccus, flabby; L. pres. part. faciens, making; N.L. part. adj. flaccumfaciens, wilt-making

Gender: neuter

Type strain: CIP 107085; ICMP 2584; JCM 9670; LMG 3645; NCPPB 1446

Conduct genome-based taxonomy at

16S rRNA gene: AJ312209 Analyse FASTA

Effective publication: Collins MD, Jones D. Reclassification of Corynebacterium flaccumfaciens, Corynebacterium betae, Corynebacterium oortii and Corynebacterium poinsettiae in the genus Curtobacterium, as Curtobacterium flaccumfaciens comb. nov. J. Gen. Microbiol. 1983; 129:3545-3548.

IJSEM list: Anonymous. Validation list no. 14. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1984; 34:270-271.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Synonyms:

  • Name	Kind
    Corynebacterium oortii Saaltink and Maas Geesteranus 1969 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Corynebacterium flaccumfaciens subsp. oortii (Saaltink and Maas Geesteranus 1969) Carlson and Vidaver 1982	heterotypic synonym, validly published under the ICNP, distinct rank
    Corynebacterium flaccumfaciens subsp. poinsettiae (Starr and Pirone 1942) Carlson and Vidaver 1982	heterotypic synonym, validly published under the ICNP, distinct rank
    "Bacterium flaccumfaciens" Hedges 1922	homotypic synonym, not validly published, basonym of name in Approved Lists
    Corynebacterium flaccumfaciens (Hedges 1922) Dowson 1942 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Corynebacterium poinsettiae (Starr and Pirone 1942) Burkholder 1948 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Corynebacterium betae Keyworth et al. 1956 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    "Phytomonas poinsettiae" Starr and Pirone 1942	heterotypic synonym, not validly published, basonym of name in Approved Lists
    Corynebacterium flaccumfaciens subsp. betae (Keyworth et al. 1956) Carlson and Vidaver 1982	heterotypic synonym, validly published under the ICNP, distinct rank

• Notes:
  • ⏰ According to Collins and Jones (1983), this species is an earlier heterotypic synonym of "Phytomonas poinsettiae" Starr and Pirone 1942. Publication: Collins MD, Jones D. Reclassification of Corynebacterium flaccumfaciens, Corynebacterium betae, Corynebacterium oortii and Corynebacterium poinsettiae in the genus Curtobacterium, as Curtobacterium flaccumfaciens comb. nov. J. Gen. Microbiol. 1983; 129:3545-3548.
  • ⏰ According to Collins and Jones (1983), this species is an earlier heterotypic synonym of Corynebacterium betae Keyworth et al. 1956 (Approved Lists 1980). Publication: Collins MD, Jones D. Reclassification of Corynebacterium flaccumfaciens, Corynebacterium betae, Corynebacterium oortii and Corynebacterium poinsettiae in the genus Curtobacterium, as Curtobacterium flaccumfaciens comb. nov. J. Gen. Microbiol. 1983; 129:3545-3548.
  • ⏰ According to Collins and Jones (1983), this species is an earlier heterotypic synonym of Corynebacterium oortii Saaltink and Maas Geesteranus 1969 (Approved Lists 1980). Publication: Collins MD, Jones D. Reclassification of Corynebacterium flaccumfaciens, Corynebacterium betae, Corynebacterium oortii and Corynebacterium poinsettiae in the genus Curtobacterium, as Curtobacterium flaccumfaciens comb. nov. J. Gen. Microbiol. 1983; 129:3545-3548.
  • ⏰ According to Collins and Jones (1983), this species is an earlier heterotypic synonym of Corynebacterium poinsettiae (Starr and Pirone 1942) Burkholder 1948 (Approved Lists 1980). Publication: Collins MD, Jones D. Reclassification of Corynebacterium flaccumfaciens, Corynebacterium betae, Corynebacterium oortii and Corynebacterium poinsettiae in the genus Curtobacterium, as Curtobacterium flaccumfaciens comb. nov. J. Gen. Microbiol. 1983; 129:3545-3548.
  • 😷 The risk group for Belgium has been imported on 2024-02-01. The full classification is: risk group = 1, note = "pv. oortii: 1 plant pathogen - biological class of risk plant: 2; pv. betae: 1 plant pathogen - biological class of risk plant: 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2, note = "PP QUA". — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "default: 1 p2; pv. ilicis: 1 p2; pv. oortii: 1 p2; pv. betae: 1 p2; pv. poinsettiae: 1 p2".
  • 🎓 Name mentioned 67 times in PubMed until 2024-03-27.
  • 🧍 According to Bartlett et al. (2022), this species is an established human pathogen. Publication: Bartlett A, Padfield D, Lear L, Bendall R, Vos M. A comprehensive list of bacterial pathogens infecting humans. Microbiology 2022; 168:0.
  • 🧍 Plant pathogenic according to Bull et al. (2007). Publication: Bull CT, De Boer SH, Denny TP, Firrao G, Fischer Le Saux M, Saddler GS, Scortichini M, Stead DE, Takikawa Y. Comprehensive list of names of plant pathogenic bacteria, 1980-2007. Journal of Plant Pathology 2010; 92:551-592.

Parent taxon: Curtobacterium Yamada and Komagata 1972 (Approved Lists 1980)

Assigned by: Collins MD, Jones D. Reclassification of Corynebacterium flaccumfaciens, Corynebacterium betae, Corynebacterium oortii and Corynebacterium poinsettiae in the genus Curtobacterium, as Curtobacterium flaccumfaciens comb. nov. J. Gen. Microbiol. 1983; 129:3545-3548.

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Record number: 775326