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.

Example input: Sox - 4 is important for very early B - cell differentiation , while TCF - 1 / LEF - 1 play a crucial role in early thymocyte development 
Example output: TCF - 1
Example explanation: The gene, TCF - 1 has been tagged as protein since it plays a crucial role in early thymocyte development.
Q:  Bacterial tolerance has been suggested as a possible basis for therapeutic failures , particularly in the treatment of infections caused by Staphylococcus aureus with defects in the production of autolysins .
A:
Staphylococcus aureus