2353
Mammalian homologues of the Polycomb - group gene Enhancer of zeste mediate gene silencing in Drosophila heterochromatin and at S . cerevisiae telomeres .
 GENE: Polycomb - group gene; GENE: Enhancer of zeste
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: Polycomb - group gene; GENE: Enhancer of zeste