Trypanosoma cruzi expresses diverse repetitive protein antigens.


We screened a Trypanosoma cruzi cDNA expression library with human and rabbit anti-T. cruzi sera and identified cDNA clones that encode polypeptides containing tandemly arranged repeats which are 6 to 34 amino acids in length. The peptide repeats encoded by these cDNAs varied markedly in sequence, copy number, and location relative to the polyadenylation… (More)


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