Leminorella richardii

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

Overview

  • Leminorella richardii is a Gram-negative, non-spore-forming, facultatively anaerobic, non-motile, rod-shaped bacterium. It has been detected in at least 2 gut microbiome compilation studies or metastudies. Leminorella richardii is probably a rare gut coloniser. (HickmanBrenner1985; Farmer2005cBergey)



  • This organism has been recovered from human faeces. The risk classification (www.baua.de) for this organism is 1, i.e., low risk of infection and spread (notes: opportunistic in immunocompromised patients). Can cause opportunistic infections, particularly in immunocompromised people. A possible gut commensal.
    • GENERAL CHARACTERISTICS (HickmanBrenner1985); (Farmer2005cBergey);
    Character Response
  • Substrates hydrolysed or digested:
  • tyrosine;
  • H+
  • Acid from carbohydrates usually produced:
  • L-arabinose; glucose; xylose;
  • ⥅
  • Substrates assimilated or utilised:
  • mucate; D-tartrate;
  • Active enzymes:
  • catalase;
    • SPECIAL FEATURES (HickmanBrenner1985); (Farmer2005cBergey);
    Character Response
  • ✓
  • Metabolites produced:
  • H₂S;
  • ✗
  • Metabolites not produced:
  • indole;
  • ✗
  • Methyl red test:
  • not active
  • ✗
  • VP test:
  • not active
  • ✗
  • ONPG test:
  • not active
  • KCN growth:
  • inhibited
  • ✓
  • NO3➔NO2:
  • reduced
  • ✗
  • Pigments:
  • not produced
    • RESPONSE TO ANTIBIOTICS (Farmer2005cBergey); (Blekher2000);
    Class Active Resistant
  • Penicillins:
  • imipenem;
  • ampicillin; carbenicillin; penicillin;
  • Cephalosporins:
  • ceftazidime;
  • cefuroxime; cephalothin;
  • Tetracyclines:
  • tetracycline;
  • Quinolines:
  • nalidixic-acid;
  • Aminoglycosides:
  • amikacin; kanamycin; tobramycin;
  • streptomycin;
  • Heterocycles:
  • chloramphenicol; sulfadiazine;
  • trimethoprim-sulfamethoxazole;
  • Miscellaneous antibiotics:
  • colistin;

  • Hickman-Brenner, F. W., Vohra, M. P., Huntley-Carter, G. P., Fanning, G. R., Lowery, V. A., 3rd, Brenner, D. J., & Farmer, J. J., 3rd. (1985). Leminorella, a new genus of Enterobacteriaceae: identification of Leminorella grimontii sp. nov. and Leminorella richardii sp. nov. found in clinical specimens. Journal of Clinical Microbiology, 21(2), 234–239.

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Proteobacteria Class:  Gammaproteobacteria Order:  Enterobacterales Family:  Enterobacteriaceae Genus:  Leminorella Gram stain:  neg O2 Relation.:  facultatively anaerobic Spore:  No spore Motility:  Sessile Morphology:  Rod Pigment:  neg
    Health:  Unknown
    Source:  human faeces
    		Aesculin:  neg Urea:  neg Gelatin:  neg DNA:  neg Tyrosine:  +
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    L-Arabinose:  + Galactose:  neg Glucose:  + Mannose:  neg Rhamnose:  neg Xylose:  + Cellubiose:  neg Lactose:  neg Maltose:  neg Melibiose:  neg Sucrose:  neg Trehalose:  neg Adonitol:  neg D-Arabitol:  neg L-Arabitol:  neg Dulcitol:  neg Erythritol:  neg Glycerol:  neg Inositol:  neg Mannitol:  neg Sorbitol:  neg 5-Ketogluconate:  neg Me-α-D-Glc:  neg Salicin:  neg
    SUBSTRATE ASSIMILATION & UTILISATION
    Monosaccharide util/assim Oligosaccharide util/assim Other carboh. util/assim Amino acid util/assim Organic acid util/assim
    Acetate:  neg Citrate:  neg Malonate:  neg Mucate:  w(+) D-Tartrate:  +
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Oxidase:  neg Catalase:  + Urease:  neg Ac-β-glcamnd:  neg α-Galactosidase:  neg β-Galactosidase:  neg α-Glucosidase:  neg β-Glucosidase:  neg β-Glucuronidase:  neg ArgDH:  neg ArgDC:  neg LysDC:  neg OrnDC:  neg Phe deaminase:  neg DNAse:  neg Lipase:  neg
    METABOLITES - PRODUCTION & USE
    Fuel Usable Metabolites Metabolites Released Special Products Compounds Produced

    		H2S:  + Indole:  neg Pigment:  neg
    ANTIBIOTICS ℞
    Penicillins & Penems (μg/mL) Cephalosporins (μg/mL) Aminoglycosides (μg/mL) Macrolides (μg/mL) Quinolones (μg/mL)
    Augmentin:  Var
    ampicillin:  R(10; disc)
    aztreonam:  Var
    carbenicil:  R(100; disc)
    penicillin:  R(10U)
    piperacillin:  Var
    tica-clav:  Var
    imipenem:  Sens
    cefotaxime:  Var
    ceftazidime:  Sens
    cefuroxime:  Res
    cephalothin:  R(30; disc)
    amikacin:  Sens
    gentamicin:  Var(MIC50): 10; disc), MIC90: Var(10; disc
    kanamycin:  S(30; disc)
    streptomycin:  R(10; disc)
    tobramycin:  Sens
    ciprofloxacin:  Var
    nalidixic-acid:  S(30; disc)
    Tetracyclines (μg/mL) Vancomycin Class (μg/mL) Polypep/ketides (μg/mL) Heterocycles (μg/mL) Other (μg/mL)
    tetracycline:  S(30; disc)
    chloramphenicol:  S(30; disc)
    sulfadiazine:  S(250; disc)
    SXT:  Res
    colistin:  S(10; disc)

    References

    SPECIFIC REFERENCES FOR LEMINORELLA RICHARDII
  • HickmanBrenner1985 - Leminorella, a new genus of Enterobacteriaceae: identification of Leminorella grimontii sp. nov. and Leminorella richardii sp. nov. found in clinical specimens.
  • Farmer2005cBergey - Bergey's manual of systematic bacteriology. Vol. 2, The Gammaproteobacteria Part B. Family Enterobacteriaceae, Genus XIX. Leminorella
  • Blekher2000 - Clinical significance and antibiotic resistance patterns of Leminorella spp., an emerging nosocomial pathogen.
  • ...............................
    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR LEMINORELLA RICHARDII
  • Lagier2016 - Culture of previously uncultured members of the human gut microbiota by culturomics.
  • RajilicStojanovic2014 - The first 1000 cultured species of the human gastrointestinal microbiota.
  • ...............................
    • GENERAL REFERENCES FOR LEMINORELLA RICHARDII
  • CCUG - Culture Collection University of Gothenburg - Entire Collection
    • Added: April 08, 2021