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Comparison of the sequences of the alpha - like DNA polymerases including E . coli DNA polymerase II showed that there were nine highly conserved regions , and we constructed an unrooted phylogenetic tree of the DNA polymerases based on the differences in these conserved regions .
 GENE: alpha - like DNA polymerases; GENE: E . coli DNA polymerase II; GENE: DNA polymerases
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: alpha - like DNA polymerases; GENE: E . coli DNA polymerase II; GENE: DNA polymerases