1199
We propose that , while Y . lipolytica CEN DNA is essential for plasmid maintenance , this function can be supplied by several sub - fragments which , together , form the active chromosomal centromere .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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