Name: Janthinobacterium De Ley et al. 1978 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Jan.thi.no.bac.te’ri.um. L. masc. adj. janthinus, violet-blue, violet; N.L. neut. n. bacterium, rod or staff; N.L. neut. n. Janthinobacterium, a violet-colored rod

Gender, pronunciation (Latin): neuter (stem: Janthinobacteri-), jan-t^hi-no-bak-TE-ri-um

Type species: Janthinobacterium lividum (Eisenberg 1891) De Ley et al. 1978 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: De Ley J, Segers P, Gillis M. Intra- and intergeneric similarities of Chromobacterium and Janthinobacterium ribosomal ribonucleic acid cistrons. International Journal of Systematic Bacteriology 1978; 28:154-168.

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: correct name

• Emendations:
  • Lincoln et al. 1999 Lincoln SP, Fermor TR, Tindall BJ. Janthinobacterium agaricidamnosum sp. nov., a soft rot pathogen of Agaricus bisporus. Int J Syst Bacteriol 1999; 49:1577-1589. 🇬🇧 Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 4 of the IJSB. Int J Syst Bacteriol 2000; 50:5-7.
    Notes:
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🚋 The type species of this genus has alternatively been placed in the genus Bacillus Cohn 1872 (Approved Lists 1980). Publication: Eisenberg J. Bacteriologische Diagnostik, Hilfstabellen zum Gebrauche beim Praktischen Arbeiten, 3rd ed. Leopold Voss, Hamburg, 1891.
  • 🚋 The type species of this genus has alternatively been placed in the genus Pseudomonas Migula 1894 (Approved Lists 1980). Publication: Claydon TJ, Hammer BW. A Skunke-like Odor of Bacterial Origin in Butter. J Bacteriol 1939; 37:251-258.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Ianthinobacterium"; "Janthiniobacterium"; "Janthinobacerium"; "Janthinobactcrium"; "Janthinobacte"; "Janthinobacter"; "Janthinobucterium"; "Janthinohacterium"; "Janthiobacterium"; "Jantinobacterium"; "Jarithinobacterium". — 🤨 This taxon name is occasionally used in plural form as: "Janthinobacteria".
  • 🧬 The phylogenomic assignment score of this taxon is 0.07379 (N = 3).
  • 🎰 The BRCs most frequently used for deposits in this group are: NBRC: 16; CGMCC: 15; DSM: 8; KACC: 4; GDMCC: 4; JCM: 4; HAMBI: 3; LMG: 3; ZIM: 2; CCUG: 2.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "JNBT" for this genus name but this does not appear to be of practical relevance any longer. Publication: Pittman KF, Walczak CA, Lock CM. Codes and abbreviations for approved of effectively published names of genera of bacteria published from January 1980 to December 1990. Int J Syst Bacteriol 1991; 41:571-579.

Subdivision:

Number of child taxa with a validly published and correct name: 24
Number of child taxa with a validly published name, including synonyms: 25
Total number of child taxa: 30

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Janthinobacterium aestuarii Pavloudi et al. 2025	validly published under the ICNP	correct name
    Janthinobacterium agaricidamnosum Lincoln et al. 1999	validly published under the ICNP	correct name
    Janthinobacterium algoris Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium amylolyticum Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium aquaticum Lu et al. 2020	validly published under the ICNP	correct name
    Janthinobacterium breve Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium darwini Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium fluminis Park et al. 2023	validly published under the ICNP	correct name
    "Janthinobacterium foliorum" Lu et al. 2026	not validly published	preferred name
    Janthinobacterium glycogeni Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium goodfellowi Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium kochi Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium kumbetense Inan Bektas et al. 2025	validly published under the ICNP	correct name
    Janthinobacterium leeuwenhoeki Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium lividum (Eisenberg 1891) De Ley et al. 1978 (Approved Lists 1980)	validly published under the ICNP	correct name
    Janthinobacterium longum Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium lyxosi Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium pasteuri Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium paucivorans Yang et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium psychrotolerans Gong et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium rivuli Lu et al. 2020	validly published under the ICNP	correct name
    "Janthinobacterium saanense" Kumar et al. 2026	not validly published	preferred name
    Janthinobacterium salmonicoloratum Yang et al. 2026	validly published under the ICNP	correct name
    "Janthinobacterium silvisoli" Kumar et al. 2026	not validly published	preferred name
    Janthinobacterium svalbardense corrig. Ambrožič Avguštin et al. 2026	validly published under the ICNP	correct name
    Janthinobacterium svalbardensis Ambrožič Avguštin et al. 2026	inaccurate spelling	misspelling
    "Janthinobacterium tructae" Jung et al. 2021	not validly published	preferred name
    Janthinobacterium violaceinigrum Lu et al. 2020	validly published under the ICNP	correct name
    Janthinobacterium violaceum Yang et al. 2026	validly published under the ICNP	synonym
    Janthinobacterium woesei Yang et al. 2026	validly published under the ICNP	correct name

Parent taxon: Oxalobacteraceae Garrity et al. 2006

Assigned by: Garrity GM, Bell JA, Lilburn T. Family II. Oxalobacteraceae fam. nov. In: Brenner DJ, Krieg NR, Staley JT, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 2 (The Proteobacteria), part C (The Alpha-, Beta-, Delta-, and Epsilonproteobacteria), Springer, New York, 2005, p. 623. 🇺🇸

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Record number: 515867