1326
This spindle defect of pds1 mutants results from a temperature - sensitive step that occurs around the G1 / S boundary about the time of spindle assembly .
 GENE: pds1 mutants
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: pds1 mutants