9272
Positive genetic selections for inhibition of cyclin / CDK function were characterized using the E . coli neo and yeast LEU2 genes .
 GENE: cyclin; GENE: CDK; GENE: E . coli neo; GENE: yeast LEU2 genes
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: cyclin, CDK, E . coli neo, yeast LEU2 genes 
Answer:
 GENE: cyclin; GENE: CDK; GENE: E . coli neo; GENE: yeast LEU2 genes