2881
Constructs containing fragments of the upstream region of the cytotactin gene fused to a promoterless gene for chloramphenicol acetyltransferase were transiently transfected into chicken embryo fibroblasts to define functional promoter sequences .
 GENE: cytotactin gene; GENE: chloramphenicol acetyltransferase
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: cytotactin gene; GENE: chloramphenicol acetyltransferase