7260
Selection was based on expression of an integrated DNA fragment containing the con - 10 promoter - regulatory region followed by the initial segment of the con - 10 open reading frame fused in frame with the bacterial hygromycin B phosphotransferase structural gene ( con10 ' - ' hph ) .
 con - 10 promoter - regulatory region, con - 10 open reading frame, bacterial hygromycin B phosphotransferase structural gene, con10 ' - ' hph
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 con - 10 promoter - regulatory region, con - 10 open reading frame, bacterial hygromycin B phosphotransferase structural gene, con10 ' - ' hph