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As an initial step towards the characterization of replicative DNA polymerases of trypanosomes , we have cloned , sequenced and examined the expression of the Trypanosoma ( Trypanozoon ) brucei brucei gene that encodes the DNA polymerase alpha catalytic core ( pol alpha ) .
 GENE: DNA polymerases of trypanosomes; GENE: DNA polymerase alpha catalytic core; GENE: pol alpha
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: DNA polymerases of trypanosomes, DNA polymerase alpha catalytic core, pol alpha 
Answer:
 GENE: DNA polymerases of trypanosomes; GENE: DNA polymerase alpha catalytic core; GENE: pol alpha