Chryseobacterium viscerum

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

Overview

  • Chryseobacterium viscerum is a Gram-negative, non-spore-forming, aerobic, non-motile, rod-shaped bacterium. It has been detected in at least 1 gut microbiome compilation study or metastudy. The DNA G+C content is 38.6%. Chryseobacterium viscerum is unlikely to be a gut coloniser. (Zamora2012a)



  • This organism has been recovered from the gills and livers of five diseased rainbow trout. Pathogenicity status unknown, or very unlikely to be pathogenic. Likely to be transient and not a long-term gut commensal.
    • QUIRKS
  • An aerobe that can't grow at 37C suggests this is a non-coloniser of the gut.
    • GENERAL CHARACTERISTICS (Zamora2012a);
    Character Response
  • Substrates hydrolysed or digested:
  • aesculin; casein; gelatin; starch; tyrosine; urea;
  • 🧂
  • Salt tolerance:
  • doesn't tolerate 3% salt;
  • 🌡
  • Temperature tolerance:
  • grows at 15℃; grows at 30℃; doesn't grow at 37℃; Grows optimally at 25℃.
  • ⥅
  • Substrates assimilated or utilised:
  • glucose; maltose; mannitol; mannose; citrate;
  • Active enzymes:
  • alkaline phosphatase; acid phosphatase; N-Ac β-glucosaminidase; catalase; α-glucosidase; Leu arylamidase; oxidase; trypsin; Val arylamidase; naphthol-ASBI-P;
  • ±
  • Strain-dependent active enzymes:
  • esterase lipase C8;
    • SPECIAL FEATURES (Zamora2012a);
    Character Response
  • ✓
  • Metabolites produced:
  • indole;
  • ✗
  • Metabolites not produced:
  • H₂S;
  • ✓
  • Haemolysis:
  • present
  • ✗
  • Nitrate:
  • not reduced
  • ✗
  • Nitrite:
  • not reduced
  • Pigments:
  • brown

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Bacteroidetes Class:  Flavobacteriia Order:  Flavobacteriales Family:  Flavobacteriaceae Genus:  Chryseobacterium Gram stain:  neg O2 Relation.:  aerobic Spore:  No spore Motility:  Sessile Morphology:  Rod Pigment:  brown
    Health:  Unknown
    Source:  the gills and livers of five diseased rainbow trout
    DNA G+C(%):  38.6
    Opt. T:  25℃
    Low T(℃):  15(+)
    Lower T(℃):  30(+)
    Mid T(℃):  37(neg)
    NaCl 3-5%:  3(neg)
    		Aesculin:  + Urea:  + Gelatin:  + Starch:  + Casein:  + Arginine:  neg Agar:  neg DNA:  neg Tyrosine:  + Tween:  80(+)
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    Glucose:  neg
    SUBSTRATE ASSIMILATION & UTILISATION
    Monosaccharide util/assim Oligosaccharide util/assim Other carboh. util/assim Amino acid util/assim Organic acid util/assim
    Arabinose:  neg Glucose:  + Mannose:  + Maltose:  + N_Acetyl_glucosamine:  neg Gluconate:  neg Mannitol:  + Adipate:  neg Caprate:  neg Citrate:  + Malate:  neg
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Oxidase:  + Catalase:  + Ac-β-glcamnd:  + α-Fucosidase:  neg α-Galactosidase:  neg β-Galactosidase:  neg α-Glucosidase:  + β-Glucosidase:  neg β-Glucuronidase:  neg α-Mannosidase:  neg Chymotrypsin:  neg Trypsin:  + CystineAA:  neg LeuAA:  + ValAA:  + AlkalineP:  + AcidP:  + Esterase(C4):  neg EstLip(C8):  d Lipase(C14):  neg
    METABOLITES - PRODUCTION & USE
    Fuel Usable Metabolites Metabolites Released Special Products Compounds Produced

    		H2S:  neg Indole:  + Pigment:  brown

    References

    SPECIFIC REFERENCES FOR CHRYSEOBACTERIUM VISCERUM
  • Zamora2012a - Chryseobacterium viscerum sp. nov., isolated from diseased fish.
  • ...............................
    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR CHRYSEOBACTERIUM VISCERUM
  • Byrd2020 - Stability and dynamics of the human gut microbiome and its association with systemic immune traits.
  • ...............................
    • Added: May 15, 2022