Peptococcus niger

Bacteria
General | Carbohydrate O/F | Substrate utilisation | Enzymes | Metabolites | Antibiotics

Overview

  • Peptococcus niger is a Gram-positive, non-spore-forming, strictly anaerobic, non-motile, coccus bacterium. It has been detected in at least 6 gut microbiome compilation studies or metastudies. The DNA G+C content is 50-51%. Peptococcus niger is probably a rare gut coloniser. (Ezaki2011Bergey)



  • This organism has been recovered from human faeces, and vagina. The risk classification (www.baua.de) for this organism is 2, i.e., risk of individual infection, but low risk of spread (notes: human and animal pathogen). It is an opportunistic pathogen. Is a known gut commensal.
    • GENERAL CHARACTERISTICS (Ezaki2011Bergey);
    Character Response
  • 🌡
  • Temperature tolerance:
  • grows at 25℃; grows at 45℃; Grows optimally at 37℃.
    • SPECIAL FEATURES (Ezaki2011Bergey);
    Character Response
  • ✓
  • Metabolites produced:
  • acetate; butyrate; isobutyrate; isovalerate; Hâ‚‚S; caproate; ammonia; Hâ‚‚;
  • Pigments:
  • black
  • NOTES

    Holdeman Moore et al. (135) stated that the strains were
    susceptible to penicillin, erythromycin, clindamycin, chloramphenicol,
    and tetracycline. Hillier and Moncla (129) reported
    data on four strains; one was resistant to metronidazole, and
    two were resistant to lincomycin.

  • Van Eldere, J. R., De Pauw, G., & Eyssen, H. J. (1987). Steroid sulfatase activity in a Peptococcus niger strain from the human intestinal microflora. Applied and Environmental Microbiology, 53(7), 1655–1660.

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Clostridia Order:  Eubacteriales Family:  Peptococcaceae Genus:  Peptococcus Gram stain:  + O2 Relation.:  strictly anaerobic Spore:  No spore Motility:  Sessile Morphology:  Coccus Pigment:  black
    Health:  Unknown
    Source:  human faeces, and vagina
    DNA G+C(%):  50-51
    Opt. T:  37℃
    Lower T(℃):  25(+)
    High T(℃):  45(+)
    		Gelatin:  neg Milk:  neg
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Catalase:  neg
    METABOLITES - PRODUCTION & USE
    Fuel Usable Metabolites Metabolites Released Special Products Compounds Produced

    		Acetate:  + Butyrate:  + Isobutyrate:  + Isovalerate:  + H2S:  + Caproate:  + Ammonia:  + H2:  + Pigment:  black

    References

    SPECIFIC REFERENCES FOR PEPTOCOCCUS NIGER
  • Ezaki2011Bergey - Bergey's manual of systematic bacteriology. Vol. 3, The Firmicutes. Family Peptococcaceae, Genus I. Peptococcus
  • ...............................
    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR PEPTOCOCCUS NIGER
  • Byrd2020 - Stability and dynamics of the human gut microbiome and its association with systemic immune traits.
  • Lagier2016 - Culture of previously uncultured members of the human gut microbiota by culturomics.
  • RajilicStojanovic2014 - The first 1000 cultured species of the human gastrointestinal microbiota.
  • Salonen2014 - Impact of diet and individual variation on intestinal microbiota composition and fermentation products in obese men.
  • Walker2011 - High-throughput clone library analysis of the mucosa-associated microbiota reveals dysbiosis and differences between inflamed and non-inflamed regions of the intestine in inflammatory bowel disease.
  • Woodmansey2004 - Comparison of compositions and metabolic activities of fecal microbiotas in young adults and in antibiotic-treated and non-antibiotic-treated elderly subjects.
  • ...............................
    • GENERAL REFERENCES FOR PEPTOCOCCUS NIGER
  • Ludwig2009 - Revised road map to the phylum Firmicutes.
    • Added: April 08, 2021