TASK DEFINITION: In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.
PROBLEM:  Moellering et al . demonstrated in vivo , utilizing the rabbit model of endocarditis , that penicillin and netilmicin were not efficacious in the treatment of endocarditis caused by a low - level aminoglycoside - resistant strain of S . faecium [ 6 ] .

SOLUTION: S . faecium

PROBLEM:  Combinations of penicillin with kanamycin , tobramycin , sisomicin , and netilmicin have consistently failed to demonstrate synergistic killing of S . faecium in vitro [ 6 ] .

SOLUTION: S . faecium

PROBLEM:  tobramycin therapy 3 / 17 / 81 2 1 2 > 32 > 32 S . faecium , after ampicillin /

SOLUTION:
S . faecium