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. 2010 Mar 8;54(5):1914–1921. doi: 10.1128/AAC.01287-09

TABLE 2.

Grouping of CC59 isolates based on DNA microarray hybridization results

Group and no. of isolatesa Presence (+) or absence (−) of:
mecA ΔmecR ugpQ dcs region ccrA2 ccrB2 85-2082 ccrA MRSAZH47 ccrA 85-2082 ccrC blaZ blaI blaR ermA ermB ermC msrA mpbBM aphA3 sat tetK pC221 cat pC223 cat entA entB entK entQ lukF-PV lukS-PV sak
Group 1, “WA MRSA-73”
    1 + + + + + + + + + + + + +
Group 2, “WA MRSA-24”
    3 + + + + + + + + + + + + + + + + +
Group 3, “WA MRSA-55/56”
    4 + + + + + + + + + + + + + + + + + + +
    1 + + + + + + + + + + + + + + + + + + +
    1 + + + + + + + + + + + + + + + + +
    1 + + + + + + + + + + + + + + + + + + + +
Group 4, “WA MRSA-15”
    7 + + + + + + + + + + + + + + + +
    1 + + + + + + + + + + + + + + + + + + + + +
    1 + + + + + + + + + + + + + + +
Group 5, “WA MRSA-9/52,” or “Taiwan clone”
    4 + + + + + + + + + + + + + + +
    2 + + + + + + + + + + + + + + + + +
    8 + + + + + + + + + + + + + + + + + +
    5 + + + + + + + + + + + + + + + + +
    1 + + + + + + + + + + + + +
Group 6, “WA MRSA-9”
    1 + + + + + + + + + +
    1 + + + + + + + + +
    1 + + + + + + + + + + +
NARSA control strains, “USA1000”
    1 (NARSA483) + + + + + + + + + + + + + + +
    1 (NARSA676) + + + + + + + + + + +
a

Group 1, PVL-negative ST59 MRSA-IVb (2B); group 2, PVL-negative ST87 (59SLV) MRSA-IVb (2B); group 3, PVL-variable ST59 MRSA-IVa, -IVd, and -IVv (2B); group 4, PVL-negative ST59 MRSA-IVa (2B&5); group 5, PVL-positive ST59/338 (59SLV)/952 (59SLV) MRSA-V (5C2&5); group 6, PVL-negative ST59 MRSA-Vv (5C2); NARSA control strains, PVL-positive ST59 MRSA-IVa (2B).

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