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Studies on the cross-transmission of polyhedral viruses: experiments with a new virus from Pyrameis cardui, the Painted Lady butterfly

Published online by Cambridge University Press:  06 April 2009

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

Up to the present time the polyhedral viruses of insects have been considered to be extremely specific in their infectivity, and cases of cross-infection, even between closely related species, were regarded as rare occurrences. Recently, however, we have recorded results which suggest that there is no such specificity of infection (Smith & Xeros, 1952). In the following paper we describe the results obtained in an extensive series of cross-inoculations among a heterogeneous collection of lepidopterous larvae, selected entirely at random. The results obtained appear at first sight to be compatible with one clear-cut explanation of straightforward cross-infections with differential multiplication of two different viruses in different hosts. Other complications, however, cannot be excluded and one or two possible situations are discussed later in the paper.

Type
Research Article
Information
Parasitology , Volume 43 , Issue 1-2 , May 1953 , pp. 178 - 185
Copyright
Copyright © Cambridge University Press 1953

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References

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