Comparative study on polypeptide patterns of larvae ofTrichinellaisolates by two-dimensional electrophoresis

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Abstract
The two-dimensional patterns (isoelectrofocusing-IEF/polyacrylamide gel electrophoresis in the presence of sodium dodecyl sulphate-SDS) of S3 fractions of muscle larvae of four Trichinella isolates were compared. The comparative study concerned six groups of polypeptides. It was observed that the Garkavi isolate of Trichinella pseudospiralis was clearly different from the other isolates, and it showed the simplest IEF/SDS polypeptide pattern. The C-76 isolate of T. nelsoni had only four of the six groups, distinguishing it from the GM-1 isolate of T. spiralis and the Boev isolate of T. nativa that showed all the indicated groups.