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EXPERIMENTS ON THE VISIBILITY OF THE POLYHEDRAL VIRUSES

With the techniques employed we have not been able to detect any qualitative differences between the particles visible in normal blood and in blood from cases of wilt disease and grasserie. Of the two conditions we can speak more definitely in the case of grasserie, because this we have studied quan...

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Detalles Bibliográficos
Autores principales: Glaser, R. W., Cowdry, E. V.
Formato: Texto
Lenguaje:English
Publicado: The Rockefeller University Press 1928
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2131435/
https://www.ncbi.nlm.nih.gov/pubmed/19869447
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author Glaser, R. W.
Cowdry, E. V.
author_facet Glaser, R. W.
Cowdry, E. V.
author_sort Glaser, R. W.
collection PubMed
description With the techniques employed we have not been able to detect any qualitative differences between the particles visible in normal blood and in blood from cases of wilt disease and grasserie. Of the two conditions we can speak more definitely in the case of grasserie, because this we have studied quantitatively as well, that is to say, the particles visible microscopically and ultramicroscopically have been counted without bringing to light any marked difference between normal and diseased blood. This leads us to believe that the virus of wilt disease is probably invisible, and the virus of grasserie almost certainly so, when studied with the optical equipment that we have used, and that further evidence will be necessary before one can accept the chlamydozoa or the Borrellina as the active etiological agents. Although these two polyhedral viruses do not appear to be visibly particulate, it does not follow that other alterable viruses are not organized in this way. Each should be considered on its own merits.
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spelling pubmed-21314352008-04-18 EXPERIMENTS ON THE VISIBILITY OF THE POLYHEDRAL VIRUSES Glaser, R. W. Cowdry, E. V. J Exp Med Article With the techniques employed we have not been able to detect any qualitative differences between the particles visible in normal blood and in blood from cases of wilt disease and grasserie. Of the two conditions we can speak more definitely in the case of grasserie, because this we have studied quantitatively as well, that is to say, the particles visible microscopically and ultramicroscopically have been counted without bringing to light any marked difference between normal and diseased blood. This leads us to believe that the virus of wilt disease is probably invisible, and the virus of grasserie almost certainly so, when studied with the optical equipment that we have used, and that further evidence will be necessary before one can accept the chlamydozoa or the Borrellina as the active etiological agents. Although these two polyhedral viruses do not appear to be visibly particulate, it does not follow that other alterable viruses are not organized in this way. Each should be considered on its own merits. The Rockefeller University Press 1928-05-31 /pmc/articles/PMC2131435/ /pubmed/19869447 Text en Copyright © Copyright, 1928, by The Rockefeller Institute for Medical Research New York This article is distributed under the terms of an Attribution–Noncommercial–Share Alike–No Mirror Sites license for the first six months after the publication date (see http://www.rupress.org/terms). After six months it is available under a Creative Commons License (Attribution–Noncommercial–Share Alike 4.0 Unported license, as described at http://creativecommons.org/licenses/by-nc-sa/4.0/).
spellingShingle Article
Glaser, R. W.
Cowdry, E. V.
EXPERIMENTS ON THE VISIBILITY OF THE POLYHEDRAL VIRUSES
title EXPERIMENTS ON THE VISIBILITY OF THE POLYHEDRAL VIRUSES
title_full EXPERIMENTS ON THE VISIBILITY OF THE POLYHEDRAL VIRUSES
title_fullStr EXPERIMENTS ON THE VISIBILITY OF THE POLYHEDRAL VIRUSES
title_full_unstemmed EXPERIMENTS ON THE VISIBILITY OF THE POLYHEDRAL VIRUSES
title_short EXPERIMENTS ON THE VISIBILITY OF THE POLYHEDRAL VIRUSES
title_sort experiments on the visibility of the polyhedral viruses
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2131435/
https://www.ncbi.nlm.nih.gov/pubmed/19869447
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