1887

Abstract

SUMMARY

Protein A-gold labelling was used to detect and locate particles and two major late antigens, polyhedrin and pl0, of multiply-enveloped nuclear polyhedrosis virus in thin sections of cells. With polyhedrin antiserum, gold label was found over viral occlusion bodies (polyhedra), but not over the fibrous structures associated with polyhedron morphogenesis and previously thought to consist of precondensed polyhedrin. In contrast, with pl0 antiserum, gold label was found only over these fibrous structures in the nucleus and similar structures in the cytoplasm. This suggests that pl0 is a major constituent of the fibrous structures and may, therefore, play an important role in polyhedron morphogenesis.

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1987-10-01
2022-01-18
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