Name: Achromobacter xylosoxidans subsp. denitrificans (Rüger and Tan 1983 ex Leifson and Hugh 1954) Yabuuchi et al. 1998

Category: Subspecies

Proposed as: comb. nov.

Basonym: Alcaligenes denitrificans (ex Leifson and Hugh 1954) Rüger and Tan 1983

Etymology: de.ni.tri’fi.cans. N.L. masc. part. adj. denitrificans, denitrifying

Gender: masculine

Type strain: ATCC 15173; CCUG 407; CIP 77.15; DSM 30026; IFO 15125; JCM 5490; LMG 1231; NCTC 8582

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ278451 Analyse FASTA

Effective publication: Yabuuchi E, Kawamura Y, Kosako Y, Ezaki T. Emendation of genus Achromobacter and Achromobacter xylosoxidans (Yabuuchi and Yano) and proposal of Achromobacter ruhlandii (Packer and Vishniac) comb. nov., Achromobacter piechaudii (Kiredjian et al.) comb. nov., and Achromobacter xylosoxidans subsp. denitrificans (Ruger and Tan) comb. nov. Microbiol Immunol 1998; 42:429-438.

IJSEM list: Anonymous. Validation list no. 67. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1998; 48:1083-1084.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym

Correct name: Achromobacter denitrificans (Rüger and Tan 1983 ex Leifson and Hugh 1954) Coenye et al. 2003

Risk group: 2

• Synonyms:

  • Name	Kind
    Achromobacter denitrificans (Rüger and Tan 1983 ex Leifson and Hugh 1954) Coenye et al. 2003	homotypic synonym, validly published under the ICNP, distinct rank
    Alcaligenes denitrificans (ex Leifson and Hugh 1954) Rüger and Tan 1983	homotypic synonym, validly published under the ICNP, distinct rank
    Alcaligenes xylosoxidans subsp. denitrificans (Rüger and Tan 1983 ex Leifson and Hugh 1954) Kiredjian et al. 1986	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Achromobacter xylosoxidans subsp. denitrificans is the correct name instead if this subspecies is regarded as a separate subspecies (i.e., if its nomenclatural type is not assigned to another subspecies whose name is validly published, legitimate and not rejected and has priority) within a separate species Achromobacter xylosoxidans within a separate genus Achromobacter.
  • 😷 The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 1. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2. — 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.

Parent taxon: Achromobacter xylosoxidans (ex Yabuuchi and Ohyama 1971) Yabuuchi and Yano 1981

Assigned by: Yabuuchi E, Kawamura Y, Kosako Y, Ezaki T. Emendation of genus Achromobacter and Achromobacter xylosoxidans (Yabuuchi and Yano) and proposal of Achromobacter ruhlandii (Packer and Vishniac) comb. nov., Achromobacter piechaudii (Kiredjian et al.) comb. nov., and Achromobacter xylosoxidans subsp. denitrificans (Ruger and Tan) comb. nov. Microbiol Immunol 1998; 42:429-438.

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Record number: 772567