7887
Light regulatory unit 1 ( LRU1 ) is necessary for and sufficient to mediate light - dependent activation of the chalcone synthase ( CHS ) minimal promoter in Petroselinum crispum .
 Light regulatory unit 1, LRU1, chalcone synthase ( CHS ) minimal promoter
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: GENE 
Text: {0} 
Answer:
 Light regulatory unit 1, LRU1, chalcone synthase ( CHS ) minimal promoter