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.

This transformation suppression by Rb was further shown to be due to transcriptional repression of neu using Rb expressing effector plasmid and neu promoter - chloramphenicol acetyltransferase reporter gene .
chloramphenicol acetyltransferase