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A provirus is a virus genome that is integrated into the DNA of a host cell. In the case of bacterial viruses ( bacteriophages ), proviruses are often referred to as prophages . However, proviruses are distinctly different from prophages and these terms should not be used interchangeably.
A prophage is a bacteriophage (often shortened to "phage") genome that is integrated into the circular bacterial chromosome or exists as an extrachromosomal plasmid within the bacterial cell. [1] Integration of prophages into the bacterial host is the characteristic step of the lysogenic cycle of temperate phages.
Often simply called an antiviral. A class of antimicrobial medication used specifically for treating diseases caused by viral infections rather than ones caused by bacteria or other infectious agents. Unlike most antibiotics, antivirals typically do not destroy their target viruses but instead inhibit their development. They are distinct from virucides. assembly The construction of the virus ...
(A) When the host cell is only infected by a giant virus, the latter establishes a cytoplasmic virus factory to replicate and generates new virions, and the host cell is most likely lysed at the end of its replication cycle.
The collective goal is to contribute excellent biology diagrams to the Commons and to corresponding Wikipedia articles. This is done as part of an Advanced Placement Biology course. The lead editor is Chris Packard. This project is inspired by the 2009 Wikipedia AP Biology Project. There are many basic and important diagrams missing from ...
An endogenous viral element (EVE) is a DNA sequence derived from a virus, and present within the germline of a non-viral organism.EVEs may be entire viral genomes (), or fragments of viral genomes.
Transposable elements are elements that can move about or propagate within the genome, and are the major constituents of the eukaryotic mobilome. [4] Transposable elements can be regarded as genetic parasites because they exploit the host cell's transcription and translation mechanisms to extract and insert themselves in different parts of the genome, regardless of the phenotypic effect on the ...
Some viruses may integrate their genome directly into that of the host in the form of a provirus. [4] This ability to transfer foreign genetic material has been exploited by genetic engineers to create viral vectors, which can transduce the desired transgene into a target cell. [2] Viral vectors consists of three components: [5] [6]