7398
Once pathway bottlenecks have been identified , it will be possible to engineer Taxus sp . cell lines with overexpression of genes that control the flux - limiting steps , thus boosting taxane productivity .
 Chemical: taxane
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: taxane