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 […]
Animal viruses differ from stages in mechanism of entering the host cell. This is due to differences in host cell i.e. one is prokaryotic and the other eukaryotic in nature. It is accomplished into the following stages: 1. Attachment: Animal viruses like bacteriophages posses the attachment sites with the help of which it attaches to […]
In this article we will discuss about the replication of picomavirus. The virion RNA is infectious and serves as both the genome and viral messenger RNA. The internal ribosome entry site (IRES) allows direct translation of the polyprotein. The polyprotein is initially processed by the viral protease(s) into various precursor and mature proteins to yield […]
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