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Using in vivo screening , we first identified a gene that appeared to interfere with the His - Asp phosphorelay between the HPt domain and the receiver domain of OmpR , provided that the gene product was expressed through a multicopy plasmid .
 GENE: OmpR
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: OmpR