6373
Mutations truncating as many as 143 C - terminal residues from the transcriptional activator encoded by the areA gene , mediating nitrogen metabolite repression in Aspergillus nidulans , do not significantly reduce the ability of the areA product to activate expression of most genes under areA control .
 areA gene, areA product, areA
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 areA gene, areA product, areA