Name: Neisseria elongata subsp. nitroreducens Grant et al. 1991

Category: Subspecies

Proposed as: subsp. nov.

Etymology: ni.tro.re.du’cens. N.L. masc. n. nitras (gen. nitratis), nitrate; N.L. pref. nitro-, pertaining to nitrate (in compound words); L. pres. part. reducens, leading back, bringing back and in chemistry converting to a different oxidation state; N.L. part. adj. nitroreducens, nitrate reducing

Gender: feminine

Type strain: ATCC 49377; B 1019; CCUG 30802; CIP 103511; DSM 17632; NCTC 12736

See detailed strain information at

16S rRNA gene: JN175349 Analyse FASTA

Effective publication: Grant PE, Brenner DJ, Steigerwalt AG, Hollis DG, Weaver RE. Neisseria elongata subsp. nitroreducens subsp. nov., formerly CDC group M-6, a gram-negative bacterium associated with endocarditis. J Clin Microbiol 1990; 28:2591-2596.

IJSEM list: Anonymous. Validation list no. 39. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1991; 41:580-581.

Nomenclatural status: validly published under the ICNP

Taxonomic status: correct name

Risk group: 2

• Notes:
  • 😷 The risk group for Belgium has been imported on 2024-02-05. The full classification is: risk group = 2, note = "human pathogen". — The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 2, note = "Animal classification RG: 1 - Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No - Containment level: Containment Level 2". — The risk group for Swiss Confederation has been imported on 2024-02-01. The full classification is: risk group = 2. — The risk group for Germany has been imported on 2023-10-29. The full classification is: risk group = 2.
  • 🧍 Neisseria elongata subsp. nitroreducens Grant et al. 1991 was previously known as CDC group M-6. Publication: Euzeby JP. List of Bacterial Names with Standing in Nomenclature: a folder available on the Internet. Int J Syst Bacteriol 1997; 47:590-592.

Parent taxon: Neisseria elongata Bøvre and Holten 1970 (Approved Lists 1980)

Assigned by: Grant PE, Brenner DJ, Steigerwalt AG, Hollis DG, Weaver RE. Neisseria elongata subsp. nitroreducens subsp. nov., formerly CDC group M-6, a gram-negative bacterium associated with endocarditis. J Clin Microbiol 1990; 28:2591-2596.

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Record number: 778630