Name: Caulobacter Henrici and Johnson 1935 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Cau.lo.bac.ter. L. masc. n. caulis, stalk; N.L. masc. n. bacter, rod; N.L. masc. n. Caulobacter, stalk(ed) rod

Gender: masculine (stem: Caulobacter-)

Type species: Caulobacter vibrioides Henrici and Johnson 1935 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Henrici AT, Johnson DE. Studies of Freshwater Bacteria: II. Stalked Bacteria, a New Order of Schizomycetes. J Bacteriol 1935; 30:61-93.

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

Risk group: 1

• Emendations:
  • Abraham et al. 1999 Abraham WR, Strompl C, Meyer H, Lindholst S, Moore ER, Christ R, Vancanneyt M, Tindall BJ, Bennasar A, Smit J, et al. Phylogeny and polyphasic taxonomy of Caulobacter species. Proposal of Maricaulis gen. nov. with Maricaulis maris (Poindexter) comb. nov. as the type species, and emended description of the genera Brevundimonas and Caulobacter. Int J Syst Bacteriol 1999; 49:1053-1073. Anonymous. Notification list. Notification that new names and new combinations have appeared in volume 49, part 3 of the IJSB. Int J Syst Bacteriol 1999; 49:1327-1328.
    Notes:
    • ⊖ Emendation accompanied by the removal of 5 species from the genus.
    • ⊕ Emendation accompanied by the proposal of 1 new species in the genus.

• Notes:
  • 🥇 Nomenclatural type of the class Alphaproteobacteria Garrity et al. 2006. Publication: Garrity GM, Bell JA, Lilburn T. Class I. Alphaproteobacteria class. 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. 1.
  • 🥇 Nomenclatural type of the family Caulobacteraceae Henrici and Johnson 1935 (Approved Lists 1980). Publication: Henrici AT, Johnson D. Stalked bacteria, a new order of Schizomycetes. Journal of Bacteriology 1935; 29:3-4.
  • 🥇 Nomenclatural type of the order Caulobacterales Henrici and Johnson 1935 (Approved Lists 1980). Publication: Henrici AT, Johnson D. Stalked bacteria, a new order of Schizomycetes. Journal of Bacteriology 1935; 29:3-4.
  • 🥇 Nomenclatural type of the suborder Caulobacteriineae Breed et al. 1944 (Approved Lists 1980). Publication: Breed RS, Murray EG, Hitchens AP. THE OUTLINE CLASSIFICATION USED IN THE BERGEY MANUAL OF DETERMINATIVE BACTERIOLOGY. Bacteriol Rev 1944; 8:255-260.
  • 🥇 Nomenclatural type of the suborder Caulobacterineae corrig. Breed et al. 1944 (Approved Lists 1980). Publication: Breed RS, Murray EG, Hitchens AP. THE OUTLINE CLASSIFICATION USED IN THE BERGEY MANUAL OF DETERMINATIVE BACTERIOLOGY. Bacteriol Rev 1944; 8:255-260.
  • 🧕 Breed et al. (1944) assigned this genus to the suborder Caulobacterineae corrig. Breed et al. 1944 (Approved Lists 1980). Publication: Breed RS, Murray EG, Hitchens AP. THE OUTLINE CLASSIFICATION USED IN THE BERGEY MANUAL OF DETERMINATIVE BACTERIOLOGY. Bacteriol Rev 1944; 8:255-260.
  • 🧕 Breed et al. (1948) assigned this genus to the family "Caulobacteriaceae". Publication: Burkholder WH. Genus I. Pseudomonas Migula. Bacterial plant pathogens. In: Breed RS, Murray EGD, Hitchens AP (eds), Bergey's Manual of Determinative Bacteriology, 6th ed., The Williams & Wilkins Co, Baltimore, 1948, p. 82-150.
  • 🧕 Cavalier-Smith (2002) assigned this genus to the class Alphabacteria Cavalier-Smith 2002. Publication: Cavalier-Smith T. The neomuran origin of archaebacteria, the negibacterial root of the universal tree and bacterial megaclassification. Int J Syst Evol Microbiol 2002; 52:7-76.
  • 🧕 Henrici and Johnson (1935) assigned this genus to the order Caulobacterales Henrici and Johnson 1935 (Approved Lists 1980). Publication: Henrici AT, Johnson DE. Studies of Freshwater Bacteria: II. Stalked Bacteria, a New Order of Schizomycetes. J Bacteriol 1935; 30:61-93.
  • 🧕 Henrici and Johnson (1935) assigned this genus to the order Caulobacterales Henrici and Johnson 1935 (Approved Lists 1980). Publication: Henrici AT, Johnson D. Stalked bacteria, a new order of Schizomycetes. Journal of Bacteriology 1935; 29:3-4.
  • 🙄 This taxon name is occasionally misprinted (or affected by an OCR error) in some sources as: "Caulobacteriae".
  • 💁 Taxonomists who have recently focused on this group are the corresponding authors of Sun et al. (2017), Jin et al. (2014). Editors in search of reviewers are advised to consider additional criteria such as whether a taxon is covered by one of the ICSP subcommittees.
  • 🎰 The BRCs most frequently used for deposits in this group are: DSM: 19; ATCC: 13; VKM: 11; CIP: 9; KCTC: 7; CCUG: 6; JCM: 6; CGMCC: 5; LMG: 5; NBRC: 4.
  • 😷 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 Taiwan has been imported on 2024-11-03. The full classification is: risk group = 1, note = "P650 = v". — 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.
  • 🧍 Pittman et al. (1991) suggested the abbreviation "CLBT" 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.
  • 🧍 The genus Caulobacter is polyphyletic and only one of the lineages of Caulobacter species can retain the generic name. Under Rules 39a and 39b, the generic name must be retained for the genus that includes the type species. The lack of a type culture for the type species (Caulobacter vibrioides) complicates the decision. Publication: Sly LI, Cox TL, Beckenham TB. The phylogenetic relationships of Caulobacter, Asticcacaulis and Brevundimonas species and their taxonomic implications. Int J Syst Bacteriol 1999; 49:483-488.

Subdivision:

Number of child taxa with a validly published and correct name: 12
Number of child taxa with a validly published name, including synonyms: 20
Total number of child taxa: 27

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Caulobacter bacteroides Poindexter 1964 (Approved Lists 1980)	validly published under the ICNP	synonym
    Caulobacter crescentus Poindexter 1964 (Approved Lists 1980)	validly published under the ICNP	synonym
    Caulobacter daechungensis Jin et al. 2013	validly published under the ICNP	correct name
    "Caulobacter endophyticus" Gao et al. 2021	not validly published	preferred name
    "Caulobacter ethensis" Venetz et al. 2019	not validly published	preferred name
    Caulobacter flavus Sun et al. 2015	validly published under the ICNP	correct name
    Caulobacter fusiformis Poindexter 1964 (Approved Lists 1980)	validly published under the ICNP	correct name
    Caulobacter ginsengisoli Liu et al. 2011	validly published under the ICNP	correct name
    Caulobacter halobacteroides Poindexter 1964 (Approved Lists 1980)	validly published under the ICNP	synonym
    Caulobacter henricii Poindexter 1964 (Approved Lists 1980)	validly published under the ICNP	correct name
    Caulobacter hibisci Moya et al. 2017	validly published under the ICNP	correct name
    Caulobacter intermedius Poindexter 1964 (Approved Lists 1980)	validly published under the ICNP	synonym
    Caulobacter leidyi corrig. Poindexter 1964 (Approved Lists 1980)	validly published under the ICNP	synonym
    Caulobacter leidyia Poindexter 1964 (Approved Lists 1980)	inaccurate spelling	misspelling
    Caulobacter maris Poindexter 1964 (Approved Lists 1980)	validly published under the ICNP	synonym
    Caulobacter mirabilis Abraham et al. 2008	validly published under the ICNP	correct name
    Caulobacter profunda Jin et al. 2014	inaccurate spelling	misspelling
    Caulobacter profundus corrig. Jin et al. 2014	validly published under the ICNP	correct name
    "Caulobacter radicis" Gao et al. 2018	not validly published	preferred name
    Caulobacter rhizosphaerae Sun et al. 2017	validly published under the ICNP	correct name
    Caulobacter segnis (Urakami et al. 1990) Abraham et al. 1999	validly published under the ICNP	correct name
    Caulobacter soli Yang et al. 2020	validly published under the ICNP	correct name
    Caulobacter subvibrioides Poindexter 1964 (Approved Lists 1980)	validly published under the ICNP	synonym
    "Caulobacter variabilis" Poindexter 1964	not validly published	synonym
    Caulobacter variabilis (ex Poindexter 1964) Poindexter 1989	validly published under the ICNP	synonym
    Caulobacter vibrioides Henrici and Johnson 1935 (Approved Lists 1980)	validly published under the ICNP	correct name
    "Caulobacter zeae" Gao et al. 2018	not validly published	preferred name

Parent taxon: Caulobacteraceae Henrici and Johnson 1935 (Approved Lists 1980)

Assigned by: Henrici AT, Johnson D. Stalked bacteria, a new order of Schizomycetes. Journal of Bacteriology 1935; 29:3-4.

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Record number: 515326