1609
Because the biosynthetic pathway to the vacuole intersects with the endocytic pathway , internalization of a bulk membrane endocytic marker FM 4 - 64 was assayed in the sop mutants .
 GENE: sop 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: sop mutants