Q: 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.
 Previous studies have demonstrated that a polysaccharide capsule is present in B . mallei , [ 14 , 15 ] although in the present study enhanced uptake with serum - treated B . mallei was observed .
A:
B . mallei