STUDY OF THE INFECTIVITY OF NUCLEIC ACIDS IN INSECT TISSUE CULTURE (EXPERIMENTS WITH THE DNA-CONTAINING VIRUS OF NUCLEAR POLYHEDROSIS OF SILKWORMS)
ARMY BIOLOGICAL LABS FREDERICK MD
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Preparations of RNA and DNA, isolated by the phenol method from insects infected with the virus of nuclear polyhedrosis, do not cause the development of polyhedra in cells of insect tissue cultures. Pure virus particles, freed of polyhedrosis protein by means of chemical treatment based on Bergold, being completely infectious for intact insects, when introduced into a culture do not cause the development of the jaundice virus under cultural conditions.