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Biology Notes on Retroviridae | Microbiology

The below mentioned article provides notes on retroviridae. The family Retroviridae falls under the Group VI (ssRNA-reverse transcribing viruses). The virions are enveloped, helical or isometric having two linear (+) sense ssRNA, reverse transcriptase and integrase. Examples are MLV [Murine leukemia virus and related virus e.g. Spumavirus (human foamy virus)], Lentivirus (human immunodeficiency virus or HIV), Visna virus, Deltaretrovints, Alpharetrovims. [...]

By |2016-11-28T11:04:41+00:00November 28, 2016|Animal Viruses|Comments Off on Biology Notes on Retroviridae | Microbiology
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Viroids: Origin, Meaning and Replication | Microbiology

In this article we will discuss about:- 1. Origin of Viroid 2. Meaning of Viroids 3. Viroid Genome 4. Replication. Origin of Viroid: So far no sufficient information is available that can lend support for the origin of viroids. Following are some of the speculations regarding the origin of viroids: (a) Viroids are supposed to be the primitive viruses and [...]

By |2016-11-28T11:04:41+00:00November 28, 2016|Plant Viruses|Comments Off on Viroids: Origin, Meaning and Replication | Microbiology
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Diagnosis of Plant Viruses: 8 Tests | Microbiology

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 (NASH) using DNA Probe and [...]

By |2016-11-28T11:04:41+00:00November 28, 2016|Plant Viruses|Comments Off on Diagnosis of Plant Viruses: 8 Tests | Microbiology
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