Navigation Links
Lytic cycle


The lytic cycle is one of the two cycles of viral reproduction, the other being the lysogenic cycle. These cycles should not, however, be seen as discrete and separate, but rather as somewhat interchangeable. The lytic cycle is typically thought of as the main method of viral replication, since it results in the destruction of the infected cell, which is how viruses cause damage to their hosts.

Contents

Description

The lytic cycle is a three-stage process.

Infection

When a virus infects a cell, it first binds with the cell membrane using receptor molecules on the virus's surface. The virus then injects its genetic material, which can be either DNA or RNA, into the cell.

Growth

The viral nucleic acid takes over and uses the host cells organelles to make many copies of the virus. In the case of DNA viruses, the DNA transcribes itself into messenger RNA (mRNA) molecules that are then used to direct the ribosome. In retroviruses, or RNA viruses, a unique enzyme called reverse transcriptase transcribes the viral RNA into DNA, which is then transcribed again into mRNA.

Replication and lysis

After many virus copies are made, they are assembled into complete viruses. The cell eventually becomes filled with viruses (typically 100-200) until it bursts, or lyses; this end process gives the cycle its name. The new viruses are free to infect other cells.


'"/>


(Date:2/8/2016)... Czech Republic , February 8, 2016 /PRNewswire/ ... EU-regulated global payment platform which presents innovation for ... Biometrics Authentication feature called VoiceKey. --> ... platform which presents innovation for clients, comfort and ... called VoiceKey. --> Worldcore ...
(Date:2/4/2016)... -- The field of Human Microbiome research and ... hubs of the biotechnology industry. While the Human ... human microbiota, have garnered a lot of attention ... has literally exploded in terms of both basic ... on biomedical aspects of research, development, and commercial ...
(Date:2/3/2016)... -- --> --> ... Identification System Market by Component (Hardware and Software), Search ... Government, Healthcare, and Transportation) and Geography - Global Forecast ... to be worth USD 8.49 Billion by 2020 at ... The transformation and technology evolution from the manual process ...
Breaking Biology News(10 mins):
Other biology definition