In this article we will discuss about:- 1. Origin of Simian Virus 40 2. Organisation of Simian Virus 40 3. Replication. Origin of Simian Virus 40 (SV40): Simian virus 40 (SV40) belongs to polyomavirus family, the family of viruses that induce tumours in animals; indeed, the suffix oma means tumour. Simian virus 40 was first isolated from monkeys hence so [...]
In this article we will discuss about the viruses that infect insects, fungi and cyanobacteria. Insect Viruses: We know that some of the animal viruses can infect insects. More than 200 different viruses are known to infect various groups of insects. They belong to different viral families of which the three more important are Baculoviridae, Iridoviridae, and Reoviridae. Baculoviridae are [...]
The following points highlight the two main steps involved in the process of reproduction in plant viruses. The steps are: 1. Entry of Virions Into Host 2. Replication. Step # 1. Entry of Virions Into Host: Plant viruses, in general, do not have any specific mechanism for attachment to host cells. They are transmitted passively by several means. Tobacco mosaic [...]