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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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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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Replication Cycle of Rabies Viruses | Microbiology

In this article we will discuss about the replication cycle of rabies viruses. The infection process is initiated with adsorption of virus on the host cell. Interaction takes place between spike G protein and specific cell surface receptors. It results in fusion of the rabies virus envelope with the host cell membrane. After adsorption, the virus penetrates the host cell [...]

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