Species Peptococcus heliotrinireducens

Name: Peptococcus heliotrinireducens corrig. Lanigan 1983

Category, proposed as: species, sp. nov.

Etymology: he.li.o.tri.ni.re.du’cens. N.L. fem. n. heliotrina, heliotrine, a pyrrolizidine alkaloid; L. pres. part. reducens, leading back, bringing back and in chemistry converting to a different oxidation state; N.L. masc. part. adj. heliotrinireducens, referring to the organisms ability to bring about oxidative cleavage of the heliotrine molecule

Pronunciation (Latin), gender: pep-to-KOK-kus he-li-o-tri-ni-re-DU-kens, masculine

Type strain: ATCC 29202; CCUG 47954; DSM 20476; JCM 14554; NCTC 11029; RHS 1

See detailed strain information at

Conduct genome-based taxonomy at

16S rRNA gene: AF101241 Analyse FASTA

Effective publication: Lanigan GW. Peptococcus heliotrinreducans, sp. nov., a cytochrome-producing anaerobe which metabolizes pyrrolizidine alkaloids. J Gen Microbiol 1976; 94:1-10.

IJSEM list: Anonymous. Validation list no. 10. Validation of publication of new names and new combinations previously effectively published outside the IJSB. Int J Syst Bacteriol 1983; 33:438-440.

Nomenclatural status: validly published under the ICNP

Taxonomic status: synonym (and not recommended for medical use)

Correct name: Slackia heliotrinireducens corrig. (Lanigan 1983) Wade et al. 1999

• Synonyms:

  • Name	Kind
    Peptococcus heliotrinreducens corrig. Lanigan 1983	homotypic synonym, validly published under the ICNP, inappropriate correction
    Slackia heliotrinireducens corrig. (Lanigan 1983) Wade et al. 1999	homotypic synonym, validly published under the ICNP
    Peptostreptococcus heliotrinireducens corrig. (Lanigan 1983) Ezaki and Yabuuchi 1986	homotypic synonym, validly published under the ICNP
    Peptococcus heliotrinreducans Lanigan 1983	other spelling of name, inaccurate spelling
    Peptostreptococcus heliotrinreducens (Lanigan 1983) Ezaki and Yabuuchi 1986	homotypic synonym, inaccurate spelling

• Notes:
  • ❗ Peptococcus heliotrinireducens 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 Peptococcus.
  • 🙂 Spelling correction conducted by LPSN on 2025-12-09.
  • 🎓 Name mentioned 0 times in PubMed until 2025-12-16.
  • 🙅 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: Peptococcus Kluyver and van Niel 1936 (Approved Lists 1980)

Assigned by: Lanigan GW. Peptococcus heliotrinreducans, sp. nov., a cytochrome-producing anaerobe which metabolizes pyrrolizidine alkaloids. J Gen Microbiol 1976; 94:1-10.

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Record number: 69318