Staphylococcus lugdunensis sp. nov. and Staphylococcus schleiferi sp. nov., Two Species from Human Clinical Specimens

Authors:
  • JFJean Freney
    Jean Freney
  • YBYvonne Brun
    Yvonne Brun
  • MBMichele Bes
    Michele Bes
  • HMHelene Meugnier
    Helene Meugnier
  • FGFrancine Grimont
    Francine Grimont
  • PGPatrick A. D. Grimont
    Patrick A. D. Grimont
  • CNChantal Nervi
    Chantal Nervi
  • JFJean Fleurette
    Jean Fleurette
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Abstract
Deoxyribonucleic acid relatedness studies (S1 nuclease method) showed that 23 unidentified Staphylococcus strains form two homogeneous genomic species related 1 to 9% to 24 type strains representing known Staphylococcus species. These new species were named Staphylococcus lugdunensis and Staphylococcus schleiferi. Strains of S. lugdunensis were susceptible to novobiocin, produced a fibrinogen affinity factor, and failed to produce coagulase, heat-stable nuclease, and staphylokinase. S. lugdunensis strains differed from S. hominis (the phenotypically closest species) by production of ornithine decarboxylase and the fibrinogen affinity factor. The guanine-plus-cytosine content of the deoxyribonucleic acid was 32 mol%. The type strain is N860297 (= ATCC 43809). Strains of S. schleiferi were susceptible to novobiocin, produced a heat-stable nuclease and a fibrinogen affinity factor, and failed to produce coagulase and staphylokinase. S. schleiferi strains differed from S. aureus by production of an antigenically different heat-stable nuclease and the lack of pigmentation, free coagulase, protein A, and β-ribitol teichoic acid. The guanine-plus-cytosine content of the deoxyribonucleic acid was 37 mol%. The type strain is N850274 (= ATCC 43808).

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