The following points highlight the eight main serological tests which helps in rapid diagnosis of plant viruses. The tests are: 1. Histochemical Test by Immunofluorescence 2. Agar Gel Double Diffusion Test 3. Direct Antigen-coated ELISA 4. Double Antibody Sandwich ELISA 5. Indirect Double Antibody Sandwich ELISA 6. Detection of Virus by Nucleic Acid Spot Hybridisation […]
Diagnosis of Plant Viruses: 8 Tests | Microbiology
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Comparison between Virusoids and Satellites | Microbiology
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Learn the comparison between virusoids and satellites. In 1981 for the first time J.W. Randles and coworkers discovered the virusoids. These are the small circular RNAs which are similar to viroids but they are always linked with larger molecules of the viral RNA. Robertson (1983) have reported that virusoids are essential for replication of the […]
Effect of Viruses on Plants | Microbiology
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In this article we will discuss about the external and internal symptoms that affect the viruses on plants. Since viruses are the obligate parasites, they impart several external and internal symptoms on host plants. 1. External Symptoms: There is a variety of external symptoms that appear on infected plants. Some of the most common symptoms […]
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