Table 1.

Bruker Biotyper identification of staphylococci, streptococci, and related genera to the genus and species levels by use of direct colony testing and preparatory extraction

OrganismNo. of isolatesNo. of isolates (% correct) identified by:No. of spectra in database
ExtractionDirect colony
Genus levelSpecies levelGenus levelSpecies level
Staphylococci, streptococci, and enterococci
    Staphylococcus aureus20201918812
    Staphylococcus lugdunensis888715
    Staphylococcus epidermidis1414111119
    Staphylococcus saprophyticus630008
    Staphylococcus capitis666426
    Staphylococcus haemolyticus555208
    Staphylococcus hominis554426
    Staphylococcus pettenkoferi550104
    Staphylococcus schleiferi444006
    Staphylococcus intermedius/S. pseudointermedius221003
    Staphylococcus simulans220005
    Staphylococcus pasteuri/S. warneri111102
    Streptococcus pyogenes101010418
    Streptococcus agalactiae7771110
    Group C beta-hemolytic streptococci66611NA
    Group F beta-hemolytic streptococci11110NA
    Group G beta-hemolytic streptococci22100NA
    Streptococcus pneumoniae101010639
    Streptococcus mitis group1010310210
    Streptococcus mutans group101089610
    Streptococcus salivarius group11117606
    Streptococcus anginosus group11105945
    Streptococcus bovis group1313109211
    Streptococcus dysgalactiae111003
    Streptococcus equi subsp. zooepidemicus111105
    Streptococcus halichoeri111001
    Enterococcus faecium15151514129
    Enterococcus faecalis1515151178
    Enterococcus avium666102
    Enterococcus raffinosus220001
    Enterococcus avium/E. raffinosus111003
    Enterococcus gallinarum111113
    Enterococcus casseliflavus/E. gallinarum442428
    Enterococcus gilvus111001
    Total217213 (98)171 (79)136 (63)56 (26)
Related genera
    Rothia mucilaginosa11111103
    Rothia dentocariosa/R. aeria654205
    Micrococcus luteus/M. yunnanensis665402
    Micrococcus luteus321112
    Granulicatella adiacens750001
    Granulicatella elegans100001
    Abiotrophia defectiva666502
    Aerococcus sanguinicola12114402
    Aerococcus urinae775303
    Aerococcus viridans110005
    Gemella morbillorum200001
    Gemella sp.220202
    Kocuria kristinae331003
    Kocuria rosea111105
    Kocuria palustris110001
    Helcococcus kunzii222202
    Lactococcus lactis444425
    Leuconostoc citreum111112
    Pediococcus sp.111102
    Facklamia languida110101
    Facklamia ignava100001
    Arthrobacter cumminsii110001
    Macrococcus caseolyticus100001
    Total8171 (88)36 (44)32 (40)4 (5)