A patient was treated with vancomycin to manage Staphyloccus infection. A rectal swab was performed after two days of vancomycin therapy. Culture plates of a rectal swab performed are shown in the pictures. Biochemical analysis of the isolate showed it to be Enterococcus faecium.

Among all Enterococcus sp., this isolate is known to express a special characteristic feature.

Identify the special feature of this isolate and enter your answer in comments section.

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