Name: Cyclobacterium Raj and Maloy 1990

Category: Genus

Proposed as: gen. nov.

Etymology: Cy.clo.bac.te.ri.um. Gr. masc. n. kyklos, a circle; N.L. neut. n. bacterium, a rod; N.L. neut. n. Cyclobacterium, a circle-shaped bacterium

Gender: neuter (stem: Cyclobacteri-)

Type species: Cyclobacterium marinum corrig. (Raj 1976) Raj and Maloy 1990

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Valid publication: Raj HD, Maloy SR. Proposal of Cyclobacterium marinus gen. nov., comb. nov., for a marine bacterium previously assigned to the genus Flectobacillus. Int. J. Syst. Bacteriol. 1990; 40:337-347.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

• Emendations:
  • Ying et al. 2006 Ying JY, Wang BJ, Yang SS, Liu SJ. Cyclobacterium lianum sp. nov., a marine bacterium isolated from sediment of an oilfield in the South China Sea, and emended description of the genus Cyclobacterium. Int J Syst Evol Microbiol 2006; 56:2927-2930. Euzeby JP. Notification list. Notification that new names and new combinations have appeared in volume 56, part 12 of the IJSEM. Int J Syst Evol Microbiol 2007; 57:435-436.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus. — The terminology used by the authors is in line with many other taxonomic studies and does not negatively affect their main results; some improvements may nevertheless be possible. Contrasting the term "chemotaxonomic" with "phenotypic" is not recommended. Whether taxa can have "members" is debatable. See the LPSN phylogeny page for details.
  • Jung et al. 2013 Jung YT, Lee JS, Yoon JH. Cyclobacterium caenipelagi sp. nov., isolated from a tidal flat sediment, and emended description of the genus Cyclobacterium. Int J Syst Evol Microbiol 2013; 63:3158-3163. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 63, part 9 of the IJSEM. Int J Syst Evol Microbiol 2013; 63:4371-4373.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.
  • Chen et al. 2014 Chen Z, Yang L, Li Y, Lai Q, Zhang H, Wei J, Zhou Y, Lei X, Zheng W, Tian Y, et al. Cyclobacterium xiamenense sp. nov., isolated from aggregates of Chlorella autotrophica, and emended description of the genus Cyclobacterium. Int J Syst Evol Microbiol 2014; 64:887-893. Oren A, Garrity GM. Notification list. Notification that new names and new combinations have appeared in volume 64, part 3 of the IJSEM. Int J Syst Evol Microbiol 2014; 64:1827-1829.
    Notes:
    • Emendation accompanied by the proposal of 1 new species in the genus.
  • Shin and Kahng 2017 Shin S, Kahng HY. Cyclobacterium sediminis sp. nov. isolated from a sea cucumber aquaculture farm and emended description of the genus Cyclobacterium. J Microbiol 2017; 55:90-95. Oren A, Garrity GM. List of changes in taxonomic opinion no. 26. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2017; 67:2081-2086.
  • García-López et al. 2019 Garcia-Lopez M, Meier-Kolthoff JP, Tindall BJ, Gronow S, Woyke T, Kyrpides NC, Hahnke RL, Goker M. Analysis of 1,000 Type-Strain Genomes Improves Taxonomic Classification of Bacteroidetes. Front Microbiol 2019; 10:2083. Oren A, Garrity GM. List of changes in taxonomic opinion no. 32. Notification of changes in taxonomic opinion previously published outside the IJSEM. Int J Syst Evol Microbiol 2020; 70:4061-4090.

• Notes:
  • Nomenclatural type of the family Cyclobacteriaceae Nedashkovskaya and Ludwig 2012. Publication: Nedashkovskaya OI, Ludwig W. Family II. Cyclobacteriaceae fam. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 423.
  • Boone et al. (2001) assigned this genus to the family "Flexibacteraceae" Garrity and Holt 2001. Publication: Garrity GM, Holt JG. The Road Map to the Manual. In: Boone DR, Castenholz RW, Garrity GM (eds), Bergey's Manual of Systematic Bacteriology, second edition, vol. 1 (The Archaea and the deeply branching and phototrophic Bacteria), Springer-Verlag, New York, 2001, p. 119-166.
  • The type species of this genus has alternatively been placed in the genus Flectobacillus Larkin et al. 1977 (Approved Lists 1980). Publication: Borrall R, Larkin JM. Flectobacillus marinus (Raj) comb. nov., a marine bacterium previously assigned to Microcyclus. International Journal of Systematic Bacteriology 1978; 28:341-343.
  • The type species of this genus has alternatively been placed in the genus Microcyclus Ørskov 1928 (Approved Lists 1980). Publication: Raj HD. A new species: Microcyclus marinus. International Journal of Systematic Bacteriology 1976; 26:528-544.
  • This taxon name is occasionally misprinted in some sources as: "Cyclobacerium"; "Cyclobacterzum"; "Cylcobacterium".
  • The BRCs most frequently used for deposits in this group are: KCTC: 8; LMG: 4; CGMCC: 4; CECT: 2; JCM: 2; ATCC: 2; DSM: 2; CCUG: 1; NBRC: 1.
  • Pittman et al. (1991) suggested the abbreviation "CCBT" 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: 10
Number of child taxa with a validly published name, including synonyms: 11
Total number of child taxa: 13

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Cyclobacterium amurskyense Nedashkovskaya et al. 2005	validly published under the ICNP	correct name
    Cyclobacterium caenipelagi Jung et al. 2013	validly published under the ICNP	correct name
    Cyclobacterium halophilum Shahinpei et al. 2014	validly published under the ICNP	synonym
    Cyclobacterium jeungdonense Joung et al. 2014	validly published under the ICNP	correct name
    Cyclobacterium lianum Ying et al. 2006	validly published under the ICNP	correct name
    Cyclobacterium marinum corrig. (Raj 1976) Raj and Maloy 1990	validly published under the ICNP	correct name
    Cyclobacterium marinus (Raj 1976) Raj and Maloy 1990	inaccurate spelling	misspelling
    Cyclobacterium plantarum Shahinpei et al. 2020	validly published under the ICNP	correct name
    Cyclobacterium qasimii Shivaji et al. 2012	validly published under the ICNP	correct name
    Cyclobacterium roseum Liu et al. 2020	validly published under the ICNP	correct name
    Cyclobacterium salsum Liu et al. 2020	validly published under the ICNP	correct name
    "Cyclobacterium sediminis" Shin and Kahng 2017	not validly published	preferred name (not correct name)
    Cyclobacterium xiamenense Chen et al. 2014	validly published under the ICNP	correct name

Parent taxon: Cyclobacteriaceae Nedashkovskaya and Ludwig 2012

Assigned by: Nedashkovskaya OI, Ludwig W. Family II. Cyclobacteriaceae fam. nov. In: Krieg NR, Staley JT, Brown DR, Hedlund BP, Paster BJ, Ward NL, Ludwig W, Whitman WB (eds), Bergey's Manual of Systematic Bacteriology, 2nd edn, vol. 4, Springer, New York, 2010, p. 423.

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Record number: 515453