3342
Although RAD17 , RAD24 and MEC3 are not required for cell cycle arrest when S phase is inhibited by hydroxyurea ( HU ) , they do contribute to the viability of yeast cells grown in the presence of HU , possibly because they are required for the repair of HU - induced DNA damage .
 GENE: RAD17; GENE: RAD24; GENE: MEC3
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: RAD17; GENE: RAD24; GENE: MEC3