Name: Pectobacterium atrosepticum (van Hall 1902) Gardan et al. 2003

Category: Species

Proposed as: comb. nov.

Basonym: "Bacillus atrosepticus" van Hall 1902

Etymology: a.tro.sep’ti.cum. L. neut. adj. septicum, putrefactive; N.L. neut. adj. atrosepticum, producing a black rot

Pronunciation, gender: a-tro-SEP-ti-kum, neuter

Type strain: ATCC 33260; CFBP 1526; CIP 105192; DSM 18077; ICMP 1526; LMG 2386; NCPPB 549

Conduct genome-based taxonomy at

16S rRNA gene: JN600332 Analyse FASTA

Valid publication: Gardan L, Gouy C, Christen R, Samson R. Elevation of three subspecies of Pectobacterium carotovorum to species level: Pectobacterium atrosepticum sp. nov., Pectobacterium betavasculorum sp. nov. and Pectobacterium wasabiae sp. nov. Int J Syst Evol Microbiol 2003; 53:381-391.

IJSEM list: Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 53, part 2 of the IJSEM. Int J Syst Evol Microbiol 2003; 53:939-940.

Nomenclatural status: validly published under the ICNP

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

Risk group: 1

• Synonyms:

  • Name	Kind
    Pectobacterium carotovorum subsp. atrosepticum (van Hall 1902) Hauben et al. 1999	homotypic synonym, validly published under the ICNP, distinct rank
    Erwinia carotovora subsp. atroseptica (van Hall 1902) Dye 1969 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP, distinct rank
    "Bacillus atrosepticus" van Hall 1902	homotypic synonym, not validly published, basonym of name in Approved Lists

• Notes:
  • 🧬 The phylogenomic assignment score of this taxon is 0.08996 (N = 6).
  • 😷 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 Germany has been imported on 2023-10-29. The full classification is: risk group = 1, note = "p". — 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 209 times in PubMed until 2025-06-04.
  • 🫡 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. This name is not taxonomically suspended any more in favour of Pectobacterium carotovorum (Jones 1901) Waldee 1945 (Approved Lists 1980). Publication: Waldee EL. Comparative studies of some peritrichous phytopathogenic bacteria. Iowa State Journal of Science 1945; 19:435-484. Skerman VBD, McGowan V, Sneath PHA. Approved lists of bacterial names. Int J Syst Bacteriol 1980; 30:225-420.
  • 🧍 In the paper by Gardan et al. 2003, Pectobacterium atrosepticum (van Hall 1902) Gardan et al. 2003, comb. nov. is cited as Pectobacterium atrosepticum (van Hall 1902) Hauben et al. 1999, sp. nov. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.
  • 🧍 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: Pectobacterium Waldee 1945 (Approved Lists 1980)

Assigned by: Gardan L, Gouy C, Christen R, Samson R. Elevation of three subspecies of Pectobacterium carotovorum to species level: Pectobacterium atrosepticum sp. nov., Pectobacterium betavasculorum sp. nov. and Pectobacterium wasabiae sp. nov. Int J Syst Evol Microbiol 2003; 53:381-391.

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Record number: 779196