Name: Derxia Jensen et al. 1960 (Approved Lists 1980)

Category: Genus

Proposed as: gen. nov.

Etymology: Derx’i.a. N.L. fem. n. Derxia, named after the Dutch microbiologist H.G. Derx (1894-1953)

Gender: feminine (stem: Derxi-)

Type species: Derxia gummosa Jensen et al. 1960 (Approved Lists 1980)

Conduct genome-based taxonomy of genus at TYGS

16S rRNA gene: Analyse FASTA

Effective publication: Jennsen HL, Petersen EJ, De PK, Bhattacharya R. A new nitrogen-fixing bacterium: Derxia gummosa nov.gen.nov.spec. Arch Mikrobiol 1960; 36:182-195.

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

• Notes:
  • Boone et al. (2001) assigned this genus to the family "Beijerinckiaceae". 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.
  • This taxon name is occasionally misprinted in some sources as: "Delxia"; "Derxisa"; "Oerxia".
  • The phylogenomic assignment score of this taxon is -0.05895 (N = 4).
  • The BRCs most frequently used for deposits in this group are: NRRL: 2; ATCC: 1; NBRC: 1; DSM: 1; LMG: 1; BCRC: 1; KCTC: 1; JCM: 1.
  • Pittman et al. (1991) suggested the abbreviation "DRXA" 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: 2
Number of child taxa with a validly published name, including synonyms: 2
Total number of child taxa: 2

• Child taxa:

  • Name	Nomenclatural status	Taxonomic status
    Derxia gummosa Jensen et al. 1960 (Approved Lists 1980)	validly published under the ICNP	correct name
    Derxia lacustris Chen et al. 2013	validly published under the ICNP	correct name

Parent taxon: Alcaligenaceae De Ley et al. 1986

Assigned by: 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.

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Record number: 515495