1959
TAAG sites that serve as functional late promoters in OpMNPV were found to mediate transcription initiation at only basal levels in the context of the AcMNPV genome , suggesting that late promoter activation may be virus specific within the family Baculoviridae .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
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