4454
Here , we describe the nucleotide ( nt ) sequence and genomic organization of ipiB and ipiO .
 GENE: ipiB; GENE: ipiO
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: ipiB; GENE: ipiO