Species Ralstonia solanacearum

Name: Ralstonia solanacearum (Smith 1896) Yabuuchi et al. 1996

Category, proposed as: species, comb. nov.

Basonym: "Bacillus solanacearum" Smith 1896

Etymology: so.la.na.ce.a’rum. N.L. fem. pl. n. Solanaceae, the nightshade family; N.L. gen. fem. pl. n. solanacearum, of the Solanaceae

Pronunciation (Latin), gender: ral-STO-ni-a so-la-na-ke-A-rum, feminine

Type strain: A. Kelman 60-1; ATCC 11696; CCUG 14272; CFBP 2047; CIP 104762; DSM 9544; ICMP 5712; JCM 10489; K60-1; LMG 2299; NCAIM B.01459; NCPPB 325; NRRL B-3212

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: EF016361 Analyse FASTA

Effective publication: Yabuuchi E, Kosako Y, Yano I, Hotta H, Nishiuchi Y. Transfer of two Burkholderia and an Alcaligenes species to Ralstonia gen. Nov.: Proposal of Ralstonia pickettii (Ralston, Palleroni and Doudoroff 1973) comb. Nov., Ralstonia solanacearum (Smith 1896) comb. Nov. and Ralstonia eutropha (Davis 1969) comb. Nov. Microbiol Immunol 1995; 39:897-904. 🇯🇵

IJSEM list: Anonymous. Validation list no. 57. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1996; 46:625-626.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name (and explicitly recommended for medical use)

Risk group: 2

• Synonyms:

  • Name	Kind
    Burkholderia solanacearum (Smith 1896) Yabuuchi et al. 1993	homotypic synonym, validly published under the ICNP
    "Bacillus solanacearum" Smith 1896	homotypic synonym, not validly published, basonym of name in Approved Lists
    Pseudomonas solanacearum (Smith 1896) Smith 1914 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Emendations:
  • Safni et al. 2014 Safni I, Cleenwerck I, De Vos P, Fegan M, Sly L, Kappler U. Polyphasic taxonomic revision of the Ralstonia solanacearum species complex: proposal to emend the descriptions of Ralstonia solanacearum and Ralstonia syzygii and reclassify current R. syzygii strains as Ralstonia syzygii subsp. syzygii subsp. nov., R. solanacearum phylotype IV strains as Ralstonia syzygii subsp. indonesiensis subsp. nov., banana blood disease bacterium strains as Ralstonia syzygii subsp. celebesensis subsp. nov. and R. solanacearum phylotype I and III strains as Ralstonia pseudosolanacearum sp. nov. Int J Syst Evol Microbiol 2014; 64:3087-3103. 🇦🇺 Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 9 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:3923-3925.

• Notes:
  • 😷 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 = 2, note = "PP QUA". — The risk group for Germany has been imported on 2026-08-13. The full classification is: risk group = 1, note = "p2". — If in doubt, use the risk group given in the regulations for your country and, if these are not available, use the risk group given in the catalogue of the culture collection from which you have obtained or intend to obtain the strain.
  • 🎓 Name mentioned 2153 times in PubMed until 2026-06-11.
  • 🙆 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as the name to be applied to this species. The name is on LoRN because of the recorded risk group of the species itself.
  • 🧍 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. 🇺🇸
  • 🧍 In the paper by Yabuuchi et al. 1995 and in Validation List no. 57, the type strain is incorrectly cited as ATCC 10696. Publication: Euzeby JP, Kudo T. Corrigenda to the validation lists. Int J Syst Evol Microbiol 2001; 51:1933-1938. 🇫🇷

Parent taxon: Ralstonia Yabuuchi et al. 1996

Assigned by: Yabuuchi E, Kosako Y, Yano I, Hotta H, Nishiuchi Y. Transfer of two Burkholderia and an Alcaligenes species to Ralstonia gen. Nov.: Proposal of Ralstonia pickettii (Ralston, Palleroni and Doudoroff 1973) comb. Nov., Ralstonia solanacearum (Smith 1896) comb. Nov. and Ralstonia eutropha (Davis 1969) comb. Nov. Microbiol Immunol 1995; 39:897-904. 🇯🇵

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Record number: 780321