What are examples of adenoviruses?

Adenoviruses are a group of viruses that typically cause respiratory illnesses, such as a common cold, conjunctivitis (an infection in the eye that is sometimes called pink eye), croup, bronchitis, or pneumonia.

How is adenovirus replicated?

Adenoviruses induce an extensive reorganization of the host cell nucleus during replication. Such a process results in the assembly of viral and cellular macromolecules into nuclear structures called adenovirus replication compartments (AdRCs), which function as platforms for viral DNA replication and gene expression.

What are the 2 types of replication in viruses?

There are two processes used by viruses to replicate: the lytic cycle and lysogenic cycle. Some viruses reproduce using both methods, while others only use the lytic cycle. In the lytic cycle, the virus attaches to the host cell and injects its DNA.

How do ds DNA viruses replicate?

DNA viruses replicate their genomes using DNA polymerase enzymes and transcribe their mRNA using DNA-dependent RNA polymerase enzymes.

What is the most common type of adenovirus?

Adenovirus types 3, 4 and 7 are most commonly associated with acute respiratory illness. Adenovirus type 7 has been associated with more severe outcomes than other adenovirus types, particularly in people with weakened immune systems.

How long does it take adenovirus to replicate?

AdV DNA replication is a very efficient process. Within 40 h, an infected cell produces approximately one million copies of viral DNA.

Is adenovirus lytic or lysogenic?

Species C adenoviruses typically establish a lytic infection in human epithelial cells and produce progeny virus as soon as 12 h postinfection (hpi). During such a lytic infection, cell proliferation ceases and the infected cells die within a few days (2).

What is an example of a lytic virus?

If the virions are released by bursting the cell, the virus replicates by means of a lytic cycle ((Figure)). An example of a lytic bacteriophage is T4, which infects Escherichia coli found in the human intestinal tract. Sometimes, however, a virus can remain within the cell without being released.

What are the 5 stages of virus replication?

Most productive viral infections follow similar steps in the virus replication cycle: attachment, penetration, uncoating, replication, assembly, and release.

What is the example of ds DNA virus?

Most DNA viruses of animals contain double-stranded DNA. For example, Simian virus 40 (SV40) is a smallish, spherical virus that causes cancer in monkeys by inserting its DNA into the host chromosome.

Which of the following examples is an example of lysogenic conversion?

Which of the following examples is an example of lysogenic conversion? Vibrio cholerae bacteria produce cholera toxin when infected with a phage.