Bacillus kwashiorkori

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

Overview

  • Bacillus kwashiorkori is a Gram-positive, spore-forming, facultatively anaerobic, motile, rod-shaped bacterium. The DNA G+C content is 35.2%. Bacillus kwashiorkori is probably a rare gut coloniser. (Seck2018)



  • This organism has been recovered from the faeces of a child with acute malnutrition. Pathogenicity status unknown, or very unlikely to be pathogenic. A possible gut commensal.
    • GENERAL CHARACTERISTICS (Seck2018);
    Character Response
  • 🧂
  • Salt tolerance:
  • tolerates 0.5% salt; Grows optimally with 0% salt.
  • 🌡
  • Temperature tolerance:
  • grows at 25℃; grows at 56℃; Grows optimally at 37℃.
  • H+
  • Acid from carbohydrates usually produced:
  • fructose; glucose; mannose; aesculin; starch; maltose; melezitose; raffinose; sucrose; trehalose; arbutin; salicin;
  • Active enzymes:
  • alkaline phosphatase; acid phosphatase; catalase; chymotrypsin; cystine arylamidase; esterase C4; α-mannosidase; oxidase; phosphoamidase;
    • SPECIAL FEATURES
    Character Response
  • ✗
  • Nitrate:
  • not reduced
    • RESPONSE TO ANTIBIOTICS (Seck2018);
    Class Active Resistant
  • Penicillins:
  • amoxicillin; imipenem;
  • Macrolides:
  • erythromycin;
  • Tetracyclines:
  • doxycycline;
  • Quinolines:
  • ciprofloxacin;
  • Aminoglycosides:
  • gentamicin;
  • Polypep/ketides:
  • rifampicin;
  • Heterocycles:
  • trimethoprim-sulfamethoxazole;
  • metronidazole;
  • Vancomycins:
  • vancomycin;

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Bacilli Order:  Bacillales Family:  Bacillaceae Genus:  Bacillus Gram stain:  + O2 Relation.:  facultatively anaerobic Spore:  Endospore Motility:  Swimming Morphology:  Rod
    Health:  Unknown
    Source:  the faeces of a child with acute malnutrition
    DNA G+C(%):  35.2
    Opt. T:  37℃
    Lower T(℃):  25(+)
    High T(℃):  56(+)
    NaCl 0.5-2%:  0.5(+)
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    D-Arabinose:  neg L-Arabinose:  neg Fructose:  + Fucose:  neg D-Fucose:  neg Galactose:  neg Glucose:  + Mannose:  + D-Lyxose:  neg Rhamnose:  neg Ribose:  neg Sorbose:  neg D-Tagatose:  neg Xylose:  neg L-Xylose:  neg Cellubiose:  neg Gentiobiose:  neg Maltose:  + Melezitose:  + Sucrose:  + Trehalose:  + Turanose:  neg Aesculin:  + Glycogen:  neg Inulin:  neg Starch:  + Adonitol:  neg D-Arabitol:  neg L-Arabitol:  neg Dulcitol:  neg Erythritol:  neg Inositol:  neg Mannitol:  neg Sorbitol:  neg Xylitol:  neg Arbutin:  + Gluconate:  neg 2-Ketogluconate:  neg 5-Ketogluconate:  neg Me-α-D-Glc:  neg Me-α-D-Mann:  neg Me-Xyloside:  neg NAc-α-GA:  neg Salicin:  +
    SUBSTRATE ASSIMILATION & UTILISATION
    Monosaccharide util/assim Oligosaccharide util/assim Other carboh. util/assim Amino acid util/assim Organic acid util/assim
    L-Arabinose:  neg N_Acetyl_glucosamine:  neg Gluconate:  neg Arg:  neg Trp:  neg Adipate:  neg Caprate:  neg Citrate:  neg Malate:  neg Phenylacetate:  neg
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Oxidase:  + Catalase:  + α-Fucosidase:  neg β-Galactosidase:  neg α-Mannosidase:  + Chymotrypsin:  + Trypsin:  neg CystineAA:  + LeuAA:  neg ValAA:  neg AlkalineP:  + AcidP:  + Esterase(C4):  + EstLip(C8):  neg Lipase(C14):  neg Phosphoamidase:  +
    ANTIBIOTICS ℞
    Penicillins & Penems (μg/mL) Cephalosporins (μg/mL) Aminoglycosides (μg/mL) Macrolides (μg/mL) Quinolones (μg/mL)
    amoxicillin:  Sens
    imipenem:  Sens
    gentamicin:  Sens
    erythromycin:  Sens
    ciprofloxacin:  Sens
    Tetracyclines (μg/mL) Vancomycin Class (μg/mL) Polypep/ketides (μg/mL) Heterocycles (μg/mL) Other (μg/mL)
    doxycycline:  Sens
    vancomycin:  Sens
    rifampicin:  Sens
    metronidazole:  Res
    SXT:  Sens

    References

    SPECIFIC REFERENCES FOR BACILLUS KWASHIORKORI
  • Seck2018 - Bacillus kwashiorkori sp. nov., a new bacterial species isolated from a malnourished child using culturomics.
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    • Added: April 08, 2023