Inclusion bodies and tubular structures in Chenopodium amaranticolor plants infected with strawberry latent ringspot virus

Scottish Horticultural Research Institute, Invergowrie, Dundee, Scotland The first change observed in cells of leaves systemically infected with strawberry latent ringspot virus was the formation of inclusion bodies near the nucleus. The inclusions were largely composed of endoplasmic reticulum, com...

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Bibliographic Details
Published in:Journal of general virology 1970-04, Vol.7 (1), p.47-54
Main Authors: Roberts, I.M, Harrison, B.D
Format: Article
Language:English
Subjects:
botany
Citrates
Cytoplasm
Endoplasmic Reticulum
Inclusion Bodies, Viral
Lead
Microscopy, Electron
Phosphotungstic Acid
Plant Cells
Plant Diseases
Plant Science and Plant Products
Plant Viruses - growth & development
Plant Viruses - isolation & purification
plants
Ribosomes
Staining and Labeling
Viral Proteins
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Summary:Scottish Horticultural Research Institute, Invergowrie, Dundee, Scotland The first change observed in cells of leaves systemically infected with strawberry latent ringspot virus was the formation of inclusion bodies near the nucleus. The inclusions were largely composed of endoplasmic reticulum, complex membranous structures and ribosomes. Three days later their outer parts contained unbranched, double-walled, slightly flexuous tubules about 50 nm. wide and up to at least 2.5 µm. long. Each tubule, or occasionally two or three tubules, was enclosed in a membranous sheath 80 to 120 nm. in diameter, joined to the endoplasmic reticulum. The tubules contained a single row of up to 100 or more darkly stained virus-like particles. Some tubules ended within the inclusion and some at plasmodesmata, in which virus-like particles occurred. The central, predominantly membranous, regions of the inclusions contained masses of faintly stained, apparently hollow structures resembling empty shells of virus coat protein. Received 10 November 1969; accepted 1 December 1969.
ISSN:0022-1317
1465-2099
DOI:10.1099/0022-1317-7-1-47