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A comparative study of different types of viruses and their capsules in the polyhedroses and granuloses of insects

Published online by Cambridge University Press:  06 April 2009

Kenneth M. Smith  and
N. Xeros
Kenneth M. Smith
Affiliation:
Plant Virus Research Unit (Agricultural Research Council), Molteno Institute, University of Cambridge
N. Xeros
Affiliation:
Plant Virus Research Unit (Agricultural Research Council), Molteno Institute, University of Cambridge
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Extract

It has recently been shown (Smith & Wyckoff, 1950) that, in addition to the classical type of nuclear polyhedral disease of lepidopterous larvae, there exists a second type of polyhedrosis with spherical virus particles instead of rods. This was demonstrated in the case of two tiger-moth larvae, Arctia villica and A. caja. The polyhedra of this type of disease do not dissolve fully when treated with weak alkali but leave behind a honeycomb-like shell pitted with round holes. We have also shown (Xeros, 1952, Smith & Xeros, 1953a) that in all our material these polyhedra occur in the cytoplasm and not in the nuclei and are confined to the cells of the midgut.

Type
Research Article
Information
Parasitology , Volume 44 , Issue 3-4 , November 1954 , pp. 400 - 406
Copyright
Copyright © Cambridge University Press 1954

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References

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