2748
Thus integration host factor is required for normal type 1 fimbriae phase variation in E . coli .
 GENE: integration host factor; GENE: type 1 fimbriae
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: integration host factor; GENE: type 1 fimbriae