PCR amplification of DNA from 10 different tapeworm species with P60.for.-P375.rev. A total of 10 μl of the PCR products was separated on a 1.5% agarose gel and stained with ethidium bromide (a). PCR products were analyzed by Southern transfer and hybridized with internal oligonucleotide E.multi.1. labeled at the 5′ end with digoxigenin (b). Lanes A, E. multilocularis; lanes B, E. granulosus; lanes C, T. taeniaeformis; lanes D, T. hydatigena; lanes E, T. pisiformis; lanes F, T. serialis; lanes G, T. martis; lanes H, T. ovis; lanes I, T. mustelae; lanes J, T. polyacantha; lanes M, size marker.