Table 1 Phenotypic and genotypic characteristics of methicillin resistant Staphylococcus aureus (MRSA) isolated from retail food and contact surfaces in Singapore. MLST multi locus sequence typing, spa staphylococcal protein A, pvl panton-valentine leukocidin, se staphylococcal enterotoxin, et exfoliative toxin, tsst-1 toxic shock syndrome toxin-1, AMC amoxycillin-clavulanic acid, AMP ampicillin, FOX cefoxitin, CRO Ceftriaxone, P penicillin, AK amikacin, AZM azithromycin, CIP ciprofloxacin, C chloramphenicol, CN gentamicin, NOR norfloxacin, TE tetracycline, SXT trimethoprim-sulphamethoxazole
From: Prevalence of methicillin-resistant Staphylococcus aureus (MRSA) in retail food in Singapore
Food stall | Year of isolation | Source | Molecular typing | pvl gene | Staphylocooccal enterotoxin genes | Exfoliative toxin genes | tsst -1 | Beta lactams | Non beta lactams | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
MLST | spa | SCCmec | sea | seb | sec | sed | see | seg | seh | sei | sej | sek | sel | sem | seo | sep | eta | etb | etd | AMC | AMP | FOX | CRO | P | AK | AZM | CIP | C | CN | NOR | TE | SXT | |||||
A | 2011 | Sliced Onion | ST80 | t1198 | IV | - | - | + | - | - | - | - | - | - | - | + | - | - | - | - | - | - | + | - | R | R | R | R | R | S | R | S | S | S | S | S | S |
A | 2011 | Prawn fritters | ST80 | t1198 | IV | - | - | + | - | - | - | - | - | - | - | + | - | - | - | - | - | - | + | - | R | R | R | R | R | S | R | S | S | S | S | S | S |
A | 2011 | Fried egg | ST80 | t1198 | IV | - | - | + | - | - | - | - | - | - | - | + | - | - | - | - | - | - | + | - | R | R | R | R | R | S | R | S | S | S | S | S | S |
B | 2013 | Gloves (inner surface) | ST6 | t304 | IV | - | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | R | R | R | R | R | S | S | S | S | S | S | S | S |
B | 2013 | Glove (outer surface) | ST6 | t304 | IV | - | + | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | R | R | R | R | R | S | S | S | S | S | S | S | S |