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Genomic DNA hybridization suggests that SpSHR2 is a single - copy gene in the S . purpuratus genome .
 GENE: SpSHR2
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: SpSHR2