Name: Pectobacterium rhapontici (Millard 1924) Patel and Kulkarni 1951 (Approved Lists 1980)

Category: Species

Proposed as: comb. nov.

Basonym: "Phytomonas rhapontica" Millard 1924

Etymology: N.L. n. rhaponticum, specific epithet of Rheum rhaponticum, rhubarb; N.L. gen. n. rhapontici, of rhaponticum, of rhubarb

Gender: neuter

Type strain: ATCC 29283; CFBP 3163; CIP 105202; DSM 4484; ICMP 1582; LMG 2688; NCPPB 1578

See detailed strain information at

16S rRNA gene: MT759988 Analyse FASTA

Effective publication: Patel MK, Kulkarni YS. Nomenclature of bacterial plant pathogens. Indian Phytopathology 1951; 4:74-84.

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 under the ICNP

Taxonomic status: synonym

Correct name: Erwinia rhapontici (Millard 1924) Burkholder 1948 (Approved Lists 1980)

Risk group: 1

• Synonyms:

  • Name	Kind
    "Phytomonas rhapontica" Millard 1924	homotypic synonym, not validly published, basonym of name in Approved Lists
    Erwinia rhapontici (Millard 1924) Burkholder 1948 (Approved Lists 1980)	homotypic synonym, validly published under the ICNP

• Notes:
  • Pectobacterium rhapontici is the correct name if this species is regarded as a separate species within a separate genus Pectobacterium.
  • Pectobacterium rhapontici (Millard 1924) Patel and Kulkarni 1951 (Approved Lists 1980) and Erwinia rhapontici (Millard 1924) Burkholder 1948 (Approved Lists 1980) have the same type strain and therefore are homotypic synonyms [Rules 24a and 24b (1)]. — The species of the genus Erwinia Winslow et al. 1920 (Approved Lists 1980) may be divided into three phylogenetic groups according to the results of 16S rDNA sequences (see: Erwinia). Hauben et al. 1999 propose (1) to restrict the genus Erwinia to the species of cluster I, Erwinia amylovora, Erwinia mallotivora, Erwinia persicina corrig., Erwinia psidii, Erwinia rhapontici and Erwinia tracheiphila; (2) to emend Erwinia rhapontici [Erwinia rhapontici (Millard 1924) Burkholder 1948 (Approved Lists 1980) emend. Hauben et al. 1998]. So, Pectobacterium rhapontici is to be considered as an authentic erwinia. Publication: Hauben L, Moore ER, Vauterin L, Steenackers M, Mergaert J, Verdonck L, Swings J. Phylogenetic position of phytopathogens within the Enterobacteriaceae. Syst Appl Microbiol 1998; 21:384-397.
  • The full TRBA 466 classification is: risk group = 1, note = "p".

Parent taxon: Pectobacterium Waldee 1945 (Approved Lists 1980)

Assigned by: Patel MK, Kulkarni YS. Nomenclature of bacterial plant pathogens. Indian Phytopathology 1951; 4:74-84.

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Record number: 784608