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. fem. 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. — 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.
  • 🧍 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