Name: Chainia nigra Thirumalachar 1955 (Approved Lists 1980)

Category: Species

Proposed as: sp. nov.

Etymology: ni’gra. L. fem. adj. nigra, black

Pronunciation, gender: NI-gra, feminine

Type strain: ATCC 17756; BCRC 11877; CBS 230.65; CBS 663.72; CCRC 11877; CMI 112787; DSM 40302; DSM 43049; IFO 13362; IFO 13902; ISP 5302; JCM 3158; KCC 3158; KCC A-158; NBRC 13362; NBRC 13902; NCIB 10992; NCIMB 10992; NRRL B-3857; NRRL ISP-5302; PCM 2305; RIA 1323; VKM Ac-1736

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AJ621607 Analyse FASTA

Effective publication: Thirumalachar MJ. Chainia, a new genus of the Actinomycetales. Nature 1955; 176:934-935.

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: synonym (and not recommended for medical use)

Correct name: Streptomyces niger (Thirumalachar 1955) Goodfellow et al. 1986

Risk group: 1

• Synonyms:

  • Name	Kind
    Streptomyces niger (Thirumalachar 1955) Goodfellow et al. 1986	homotypic synonym, validly published under the ICNP

• Notes:
  • ❗ Chainia nigra is the correct name instead if this species is regarded as a separate species (i.e., if its nomenclatural type is not assigned to another species whose name is validly published, legitimate and not rejected and has priority) within a separate genus Chainia.
  • 😷 The risk group for Canada has been imported on 2024-02-27. The full classification is: risk group = 1, note = "Security sensitive biological agent: No - Terrestrial animal pathogen under Canadian Food Inspection Agency authority: No". — 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 = 1. — 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.
  • 🎓 Name mentioned 0 times in PubMed until 2025-06-04.
  • 🙅 This name is on the List of Recommended Names for bacteria of medical importance (LoRN) as a synonym of the name to be applied to this species. The name is on LoRN because of the recorded risk group of the genus.

Parent taxon: Chainia Thirumalachar 1955 (Approved Lists 1980)

Assigned by: Thirumalachar MJ. Chainia, a new genus of the Actinomycetales. Nature 1955; 176:934-935.

Linking: To permanently link to this page, use https://lpsn.dsmz.de/species/chainia-nigraCopy to clipboardLink copied to clipboard

Record number: 774634