3291
Strains carrying a snf1 mutation are unable to grow on sucrose , galactose , maltose , melibiose , or nonfermentable carbon sources ; utilization of these carbon sources is regulated by glucose repression .
 GENE: snf1 mutation
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: snf1 mutation