Synthesis of genomic and subgenomic RNA in mosquito cells infected with two Sindbis virus nsP4 mutants: influence of intracellular nucleoside triphosphate concentrations.

Abstract excerpt

Cells infected with Sindbis virus (SV) make two positive-strand RNAs, a genomic-length RNA (G) RNA and a subgenomic (SG) RNA. In cells infected with SVstd, and in general in cells infected with wt alphaviruses, more SG RNA is made than G RNA. How the balance between synthesis of G RNA and SG RNA is regulated is not known. SVpzf and SVcpc are nsP4 mutants of SV which, in mosquito cells, make more G RNA than SG...

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