Name: Agrobacterium rhizogenes (Riker et al. 1930) Conn 1942 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Phytomonas rhizogenes" Riker et al. 1930

Etymology: Gr. fem. n. rhiza, root; Gr. suff. -genes, producing; from Gr. v. gennaô, to produce; N.L. part. adj. rhizogenes, root-producing

Gender: neuter

Type strains: ATCC 11325; CFBP 5520; CIP 104328; DSM 30148; HAMBI 1816; ICMP 5794; IFO 13257; JCM 20919; LMG 150; NBRC 13257; NCPPB 2991

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AB680381 Analyse FASTA

Original publication: Conn HJ. Validity of the Genus Alcaligenes. J Bacteriol 1942; 44:353-360.

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

Taxonomic status: synonym

Correct name: Rhizobium rhizogenes (Riker et al. 1930) Young et al. 2001

Risk group: 1

• Synonyms:

  • Name	Kind
    "Phytomonas rhizogenes" Riker et al. 1930	homotypic synonym, not validly published, basonym of name in Approved Lists
    Rhizobium rhizogenes (Riker et al. 1930) Young et al. 2001	homotypic synonym, validly published

• Emendations:
  • Sawada et al. 1993 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.
    Notes:
    • This emendation was not found in the expected IJSEM notification list.

• Notes:
  • The full TRBA 466 classification is: risk group = 1, note = "p".

Parent taxon: Agrobacterium Conn 1942 (Approved Lists 1980)

Assigned by: Conn HJ. Validity of the Genus Alcaligenes. J Bacteriol 1942; 44:353-360.

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