Abstract
Soluble protein profiles and isozyme patterns of eight enzymes were compared for extracts of muscle stage larvae of the seven Trichinella isolates, using isoelectric focusing in polyacrylamide gel. Soluble protein profiles and isozyme patterns of four enzymes: malic enzyme, glucose-phosphate isomerase, phosphoglucomutase, superoxide dismutase of them were clearly divided into four types. T. pseudospiralis from a racoon and the Polar strain from a polar bear formed type 1 and type 2. The Iwasaki strain from a Japanese black bear and the Yamagata strain from a racoon dog, both from Japan, were type 3. Type 4 consisted of three remaining strains, the Polish strain from a wild pig, the USA strain from a pig and the Thai strain from a human case, which have similar infectivities to pigs. The Thai strain varied a bit electrophoretically from other members of type 4. Zymograms of adenylate kinase and malate dehydrogenase were similar in types 2 and 3. The 6-phosphogluconate dehydrogenase zymogram of type 3, similar to that of type 4, was different from that of type 2. It is assumed from the data that type 3 (Japanese strain) was genetically intermediate to types 2 and 4. T. pseudospiralis and the Polar strain had a common main isozyme of 6-phosphogluconate dehydrogenase. The zymogram of lactate dehydrogenase was common except for T. pseudospiralis.
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Fukumoto, S., Takechi, M., Kamo, H. et al. Comparative studies on soluble protein profiles and isozyme patterns of seven Trichinella isolates. Parasitol Res 73, 352–357 (1987). https://doi.org/10.1007/BF00531090
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DOI: https://doi.org/10.1007/BF00531090