Name: "Curtobacterium poinsettiae" (Starr and Pirone 1942) Osdaghi et al. 2024

Category: Species

Proposed as: comb. nov.

Basonym: "Phytomonas poinsettiae" Starr and Pirone 1942

Etymology: poin.set’ti.ae. N.L. gen. fem. n. poinsettiae, derived from the name of the host plant poinsettia Euphorbia pulcherrima

Gender: neuter

Nomenclatural type: ATCC 9682; CFBP 2403; CIP 107084; DSM 20149; ICMP 2566; LMG 3715; NCPPB 854

16S rRNA gene: AM410687 Analyse FASTA

Original publication: Osdaghi E, Taghavi SM, Hamidizade M, Kariminejhad M, Fazliarab A, Hajian Maleki H, Baeyen S, Taghouti G, Jacques MA, Van Vaerenbergh J, et al. Multiphasic investigations imply transfer of orange-/red-pigmented strains of the bean pathogen Curtobacterium flaccumfaciens pv. flaccumfaciens to a new species as C. aurantiacum sp. nov., elevation of the poinsettia pathogen C. flaccumfaciens pv. poinsettiae to the species level as C. Poinsettiae sp. nov., and synonymy of C. albidum with C. citreum. Syst Appl Microbiol 2024; 47:126489.

Nomenclatural status: not validly published

Taxonomic status: synonym (and no standing)

Correct name: Curtobacterium flaccumfaciens (Hedges 1922) Collins and Jones 1984

• Synonyms:

  • Name	Kind
    Corynebacterium betae Keyworth et al. 1956 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    Curtobacterium flaccumfaciens (Hedges 1922) Collins and Jones 1984	heterotypic synonym, validly published under the ICNP
    Corynebacterium flaccumfaciens subsp. betae (Keyworth et al. 1956) Carlson and Vidaver 1982	heterotypic synonym, validly published under the ICNP, distinct rank
    "Bacterium flaccumfaciens" Hedges 1922	heterotypic synonym, not validly published, basonym of name in Approved Lists
    Corynebacterium flaccumfaciens (Hedges 1922) Dowson 1942 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP
    "Phytomonas poinsettiae" Starr and Pirone 1942	homotypic synonym, not validly published, basonym of name in Approved Lists
    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	homotypic synonym, validly published under the ICNP, distinct rank
    Corynebacterium poinsettiae (Starr and Pirone 1942) Burkholder 1948 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP
    Corynebacterium oortii Saaltink and Maas Geesteranus 1969 (Approved Lists 1980)	heterotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ According to Collins and Jones (1983), this species is a later heterotypic synonym of "Bacterium flaccumfaciens" Hedges 1922. 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 a later heterotypic synonym of Corynebacterium flaccumfaciens (Hedges 1922) Dowson 1942 (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 a later heterotypic synonym of Curtobacterium flaccumfaciens (Hedges 1922) Collins and Jones 1984. 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.
  • 😡 This taxon name is a homonym of "Curtobacterium poinsettiae" (Starr and Pirone 1942) Yamada and Komagata 1972.
  • 😢 The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. The phrase "valid name" is misleading. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details. Publication: Göker M. What can genome analysis offer for bacteria? In: Bridge P, Smith D, Stackebrandt E (eds), Trends in the systematics of bacteria and fungi, CAB International, Wallingford, 2021, p. 255-281.

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

Assigned by: Osdaghi E, Taghavi SM, Hamidizade M, Kariminejhad M, Fazliarab A, Hajian Maleki H, Baeyen S, Taghouti G, Jacques MA, Van Vaerenbergh J, et al. Multiphasic investigations imply transfer of orange-/red-pigmented strains of the bean pathogen Curtobacterium flaccumfaciens pv. flaccumfaciens to a new species as C. aurantiacum sp. nov., elevation of the poinsettia pathogen C. flaccumfaciens pv. poinsettiae to the species level as C. Poinsettiae sp. nov., and synonymy of C. albidum with C. citreum. Syst Appl Microbiol 2024; 47:126489.

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Record number: 52222