Theiler's virus-specified polypeptides made in BHK-21 cells.

This study was initiated to determine whether the Theiler's murine encephalomyelitis viruses (TMEV) use the same strategy of gene expression as other picornaviruses. The precursor-product relationships apparent from pulse-chase experiments indicated that the virus-specified polypeptides of the GDVII strain are generated by post-translational cleavages. Pactamycin mapping experiments also showed a gene order for GDVII virus similar to that derived for other picornaviruses by this technique. Finally, six other TMEV induced species of polypeptides similar to those of GDVII virus, but there were minor differences in some of their electrophoretic mobilities.