TABLE 3.
Assay specificity in various strains of coagulase-negative staphylococci and non-staphylococcal bacteria.
| Genus/species | Strain | orfX detection with SA-HEX-1 | mecA detection with mec-FAM-2/3/4 | Interpretation |
| Staphylococci | ||||
| S. epidermidis | ATCC 12333 | – | + | MR, but not MRSA |
| S. epidermidis | ATCC 35984 | – | + | MR, but not MRSA |
| S. epidermidis | ATCC 12228 | – | – | Not MRSA |
| S. haemolyticus | ATCC 29970 | – | – | Not MRSA |
| S. saprophyticus | ATCC 15305 | – | – | Not MRSA |
| S. sciuri | ATCC 29060 | – | – | Not MRSA |
| S. simulans | ATCC 27851 | – | – | Not MRSA |
| S. xylosus | ATCC 29971 | – | – | Not MRSA |
| Non-staphylococci | ||||
| Acinetobacter baumannii | ATCC 19606 | – | – | Not MRSA |
| Aeromonas caviae | ATCC 15468 | – | – | Not MRSA |
| Alcaligenes faecalis subsp. faecalis | ATCC 8750 | – | – | Not MRSA |
| Bacillus cereus | ATCC 11778 | – | – | Not MRSA |
| Bordetella pertussis | ATCC 9340 | – | – | Not MRSA |
| Citrobacter freundii | ATCC 43864 | – | – | Not MRSA |
| Corynebacterium diphtheria | ATCC 11913 | – | – | Not MRSA |
| Edwardsiella tarda | ATCC 15947 | – | – | Not MRSA |
| Enterococcus durans | ATCC 6056 | – | – | Not MRSA |
| Erysipelothrix rhusiopathiae | ATCC 19414 | – | – | Not MRSA |
| Escherichia coli | OP50 | – | – | Not MRSA |
| Klebsiella pneumonia | ATCC 35657 | – | – | Not MRSA |
| Kocuria rosea | ATCC 186 | – | – | Not MRSA |
| Lactococcus lactis | ATCC 11454 | – | – | Not MRSA |
| Leclercia adecarboxylata | ATCC 23216 | – | – | Not MRSA |
| Legionella pneumophilia | ATCC 33152 | – | – | Not MRSA |
| Listeria monocytogenes | ATCC 19115 | – | – | Not MRSA |
| Macrococcus caseolyticus | JCSC5402 | – | – | Not MRSA |
| Micrococcus luteus | ATCC 4698 | – | – | Not MRSA |
| Moraxella catarrhalis | ATCC 49143 | – | – | Not MRSA |
| Mycobacterium smegmatis | ATCC 14468 | – | – | Not MRSA |
| Neisseria gonorrhoeae | ATCC 31426 | – | – | Not MRSA |
| Oligella ureolytica | ATCC 43534 | – | – | Not MRSA |
| Ralstonia pickettii | ATCC 49129 | – | – | Not MRSA |
| Salmonella typhymurium | ATCC 14028 | – | – | Not MRSA |
| Serratia marcescens | ATCC 43862 | – | – | Not MRSA |
| Shigella sonnei | ATCC 25931 | – | – | Not MRSA |
| Stenotrophomonas maltophilia | ATCC 51331 | – | – | Not MRSA |
| Streptococcus pneumonia | ATCC 49136 | – | – | Not MRSA |
| Streptococcus pyogenes | ATCC 19615 | – | – | Not MRSA |
| Streptomyces griseus | ATCC 10137 | – | – | Not MRSA |
| Vibrio parahaemolyticus | ATCC 17802 | – | – | Not MRSA |
aMR, methicillin-resistant.