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 Herpesviruses (HSV) | Microbiology

In this article we will discuss about the replication of herpesviruses. Sequential interaction takes place between specific viral membrane glycoproteins and cell membrane receptors (e.g. cell surface proteoglycans which are heparin sulphates). On the basis of complementary residues present on host cell and viral membrane, binding between virus and host cell membrane takes place before entering the virus within the [...]

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

In this article we will discuss about the structure of adenoviruses (explained with diagram). All adenovirus particles are similar; particles are medium-sized, non-enveloped having 90-100 nm diameters (Fig. 17.5). The particles have icosahedral symmetry which can easily be visible in the electron microscope by negative staining. Viral particles are composed of 252 capsomers: 240 hexons forming the faces and 12 [...]

By |2016-11-28T11:04:40+00:00November 28, 2016|Animal Viruses|Comments Off on Structure of Adenoviruses | Microbiology
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