Name: "Bacterium tumefaciens" Smith and Townsend 1907

Category: Species

Proposed as: sp. nov.

Gender: neuter

Type strain: A1; ATCC 4720; CCM 1000; CCUG 3555; CFBP 2412; CIP 104335; DSM 30150; ICMP 5793; LMG 182; NCIB 8150; NCIMB 8150; NCPPB 2992

Conduct genome-based taxonomy at

16S rRNA gene: MT534522 Analyse FASTA

Original publication: Smith EF, Townsend CO. A PLANT-TUMOR OF BACTERIAL ORIGIN. Science 1907; 25:671-673.

Nomenclatural status: not validly published, basonym of name in Approved Lists

Taxonomic status: synonym (and no standing)

Correct name: Agrobacterium tumefaciens (Smith and Townsend 1907) Conn 1942 (Approved Lists 1980)

Risk group: 1

• Synonyms:

  • Name	Kind
    Agrobacterium tumefaciens (Smith and Townsend 1907) Conn 1942 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • ⏲ According to Sawada et al. (1993), this species is a later heterotypic synonym of "Bacillus radiobacter" Beijerinck and van Delden 1902. Publication: Sawada H, Ieki H, Oyaizu H, Matsumoto S. Proposal for rejection of Agrobacterium tumefaciens and revised descriptions for the genus Agrobacterium and for Agrobacterium radiobacter and Agrobacterium rhizogenes. Int J Syst Bacteriol 1993; 43:694-702.
  • ⏲ According to Sawada et al. (1993), this species is a later heterotypic synonym of Agrobacterium radiobacter (Beijerinck and van Delden 1902) Conn 1942 (Approved Lists 1980). Publication: Sawada H, Ieki H, Oyaizu H, Matsumoto S. Proposal for rejection of Agrobacterium tumefaciens and revised descriptions for the genus Agrobacterium and for Agrobacterium radiobacter and Agrobacterium rhizogenes. Int J Syst Bacteriol 1993; 43:694-702.
  • ⏲ According to Sawada et al. (1993), this species is a later heterotypic synonym of Rhizobium radiobacter (Beijerinck and van Delden 1902) Young et al. 2001. Publication: Sawada H, Ieki H, Oyaizu H, Matsumoto S. Proposal for rejection of Agrobacterium tumefaciens and revised descriptions for the genus Agrobacterium and for Agrobacterium radiobacter and Agrobacterium rhizogenes. Int J Syst Bacteriol 1993; 43:694-702.
  • ⏲ According to Velazquez et al. (2020), this species is not a later heterotypic synonym of "Bacillus radiobacter" Beijerinck and van Delden 1902. Publication: Velazquez E, Flores-Felix JD, Sanchez-Juanes F, Igual JM, Peix A. Strain ATCC 4720^T is the authentic type strain of Agrobacterium tumefaciens, which is not a later heterotypic synonym of Agrobacterium radiobacter. Int J Syst Evol Microbiol 2020; 70:5172-5176.
  • ⏲ According to Velazquez et al. (2020), this species is not a later heterotypic synonym of Agrobacterium radiobacter (Beijerinck and van Delden 1902) Conn 1942 (Approved Lists 1980). Publication: Velazquez E, Flores-Felix JD, Sanchez-Juanes F, Igual JM, Peix A. Strain ATCC 4720^T is the authentic type strain of Agrobacterium tumefaciens, which is not a later heterotypic synonym of Agrobacterium radiobacter. Int J Syst Evol Microbiol 2020; 70:5172-5176.
  • ⏲ According to Velazquez et al. (2020), this species is not a later heterotypic synonym of Rhizobium radiobacter (Beijerinck and van Delden 1902) Young et al. 2001. Publication: Velazquez E, Flores-Felix JD, Sanchez-Juanes F, Igual JM, Peix A. Strain ATCC 4720^T is the authentic type strain of Agrobacterium tumefaciens, which is not a later heterotypic synonym of Agrobacterium radiobacter. Int J Syst Evol Microbiol 2020; 70:5172-5176.
  • 😷 The risk group for Belgium has been imported on 2024-02-01. The full classification is: risk group = 1, note = "plant pathogen - biological class of risk plant: 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".

Parent taxon: "Bacterium" Ehrenberg 1831

Assigned by: Smith EF, Townsend CO. A PLANT-TUMOR OF BACTERIAL ORIGIN. Science 1907; 25:671-673.

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Record number: 4233