Aug 1, 1976

Investigation on the biological activity of fowl plague virus ribonucleoprotein

Acta Virologica
A I Klimov, Y Z Ghendon

Abstract

Fowl plague virus (FPV) ribonucleoprotein (RNP) bands in sucrose density gradient in a heterogeneous peak with sedimentation coefficients from 45 to 70 S, whereas in cesium chloride gradient it has a homogeneous density of 1.33-1.34 g/cm3. FPV RNP contains 7.4-8% RNA. Upon inoculation of chick embryo cell cultures. FPV RNP shows no infectivity, does not induce virus-specific protein synthesis and does not participate in complementation or recombination interactions with ts mutants of FPV. The biological activity of FPV RNP demonstrable under certain experimental conditions is due to admixture of undestroyed virions and is completely eliminated by treatment of the preparation with gamma-globulin fraction of antiserum to FPV haemagglutinin, but not with antiserum to RNP proteins.

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Mentioned in this Paper

Centrifugation, Density Gradient
Virus Diseases
Ribonucleoprotein Activity
Virion
Viral Proteins
Cell Culture Techniques
Immune Sera
Recombination, Genetic
Protein Biosynthesis
Influenza A Virus, Avian

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