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在毛线虫属中,除伪旋毛虫(T.pseudospiralis)外,其它虫株在形态上差异很小,曾有人用杂交育种的方法也未能就不同地理株的特异性问题取得满意的结果,旋毛虫的分类长期以来人们的意见难以统一。作者用聚丙烯酰胺凝胶等电点电泳技术对7个毛线虫虫株的肌肉期幼虫进行了可溶性蛋白谱及8种酶的同工酶谱的比较研究。7个毛线虫虫株为:来自苏联高加索的浣熊体分离的伪旋毛虫,来自斯堪的纳维亚半岛北极熊体的旋毛虫极株(Polar strain),分别来自日本黑熊和貉的两个日本株——Iwasaki和Yamagata株,来自野猪的波兰株
In the genus Trichinellae, except for T. pseudoospiralis, there are few morphological differences among other strains. Some people used the method of crossbreeding to obtain satisfactory results on the specificity of different geographical strains. Trichinella classification has long been difficult to unify the views of people. The authors used polyacrylamide gel isoelectric point electrophoresis technique to compare the soluble protein profiles and the isozymes of eight enzymes of muscle muscle larvae of seven strains of T. gonorrhoeae. Seven Trichinella spiralis strains were: pseudotubacteria isolated from raccoons in the Caucasus of the Soviet Union, Polar strains from Scandinavian polar bears, from Japan and Japan respectively Strain - Iwasaki and Yamagata Strain, Polish strain from wild boar