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1961
Publisher Summary This chapter examines the evidence for the occurrence of strains of plant viruses, to compare the biological, physical and chemical properties of the strains, and to examine how they arise. In discussing the biological activities of plant viruses, certain experimental difficulties are considered.
J H, HITCHBORN, A D, THOMSON
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Publisher Summary This chapter examines the evidence for the occurrence of strains of plant viruses, to compare the biological, physical and chemical properties of the strains, and to examine how they arise. In discussing the biological activities of plant viruses, certain experimental difficulties are considered.
J H, HITCHBORN, A D, THOMSON
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1987
Publisher Summary It is interesting that at this relatively late stage in virus research, new kinds of viruses continue to come to light. Cryptic viruses successfully evaded detection until recently because they induce no or, perhaps in some cases, very slight disease symptoms, are not transmissible in the ordinary way, and have particles present in ...
G, Boccardo +3 more
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Publisher Summary It is interesting that at this relatively late stage in virus research, new kinds of viruses continue to come to light. Cryptic viruses successfully evaded detection until recently because they induce no or, perhaps in some cases, very slight disease symptoms, are not transmissible in the ordinary way, and have particles present in ...
G, Boccardo +3 more
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The Movement Of Viruses In Plants
Annual Review of Phytopathology, 1989The full expression of thc effects of a plant virus in a susceptible host is dependent upon the virus spreading to most, if not all, parts of that host. It is generally accepted that most plant viruses enter the initially infected cells of a plant through mechanical damage inflicted by a biological vector (e.g.
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Canadian Journal of Microbiology, 1977
To facilitate the recognition of plant viruses with similar characteristics a dendrogram of characterized viruses was constructed. The sequence of criteria included: type of nucleic acid; single or double stranded; presence or absence of lipid envelope; helical or nonhelical symmetry; and divided or single genome.
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To facilitate the recognition of plant viruses with similar characteristics a dendrogram of characterized viruses was constructed. The sequence of criteria included: type of nucleic acid; single or double stranded; presence or absence of lipid envelope; helical or nonhelical symmetry; and divided or single genome.
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1954
Publisher Summary The inhibitors of plant viruses may be classified into the inhibitors of infection and inhibitors of virus increase. The inhibitors of infection are the substances that, when inoculated to leaves simultaneously with viruses, prevent infection from occurring.
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Publisher Summary The inhibitors of plant viruses may be classified into the inhibitors of infection and inhibitors of virus increase. The inhibitors of infection are the substances that, when inoculated to leaves simultaneously with viruses, prevent infection from occurring.
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Interactions of Viruses in Plants
1964Publisher Summary Interference between viruses can take place during initiation of infection, or later on during multiplication. The most likely explanation for virus antagonism at the initiation of infection is a competition between the interacting viruses for the available sites of infection, and is best seen when the competing viruses are ...
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2019
Virus movement throughout the plant is required for a complete infection of the host and can be divided into three steps: (1) intracellular movement, (2) intercellular movement, and (3) systemic movement. Intracellular movement describes the trafficking of virus within a single cell while intercellular movement denotes transport of virus through ...
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Virus movement throughout the plant is required for a complete infection of the host and can be divided into three steps: (1) intracellular movement, (2) intercellular movement, and (3) systemic movement. Intracellular movement describes the trafficking of virus within a single cell while intercellular movement denotes transport of virus through ...
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Transmissibility and transmission of respiratory viruses
Nature Reviews Microbiology, 2021Nancy H L Leung
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