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 […]
Biology Notes on Retroviridae | Microbiology
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Structure of Rabies Viruses (With Diagram) | Microbiology
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In this article we will discuss about the structure of rabies viruses (explained with diagram). Rhabdo-viruses have a unique bullet-shaped appearance measuring about 180 × 75 nm. They have an envelope with prominent spikes on surface but not very variable in appearance. Spikes are made up of G protein that haem-agglutinate RBCs. The envelope is […]
Togaviruses: Structure and Replication | Microbiology
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In this article we will discuss about the structure and replication of togaviruses. Structure of Togaviruses: The virus is enveloped and forms spherical particle of 65-70 nm diameter. It includes icosahedral capsid, which is made up of 240 monomers (Fig. 17.26). It has a triangulation number of (74). Envelope consists of 80 trimer spikes; dimension […]
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