Tag Archives | Animal Viruses

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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Replication of Adenoviruses | Microbiology

In this article we will discuss about the replication of adenoviruses. Adenovirus replicates inside the nucleus (Fig. 17.9). By the DNA replication process, the adenovirus multiplication cycle is separated into two phases i.e., an early phase and a late phase. In both phases a primary transcript is formed which is spliced to produce monocistronic mRNA which is compatible with the [...]

By |2016-11-28T11:04:40+00:00November 28, 2016|Animal Viruses|Comments Off on Replication of Adenoviruses | Microbiology
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Structure of Influenza Viruses (With Diagram) | Microbiology

In this article we will discuss about the structure of influenza viruses (explained with diagram). Particles of influenza virus are highly pleomorphic, mostly spherical having 80-120 nm diameter. But it also occurs in other form like long filamentous particles (2,000 nm long, and 80-120 nm diameter). They have helical symmetry also. The outer surface of the viral particle consists of [...]

By |2016-11-28T11:04:40+00:00November 28, 2016|Animal Viruses|Comments Off on Structure of Influenza Viruses (With Diagram) | Microbiology
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