Introducing
Your new presentation assistant.
Refine, enhance, and tailor your content, source relevant images, and edit visuals quicker than ever before.
Trending searches
The Lytic cycle is the more typical way for viruses to reproduce. There are five steps in this cycle shown for a Bacteriophage virus.
-The Lytic and Lysogenic cycle are the two methods viruses such as Bacteriophages which we will be exploring in greater depth later, reproduce.
-Despite their continued success in many Countries around the world, Bacteriophages are not commonly used in Western Countries. The primary reason for this is that originally, before Bacteria began to evolve Anti-Biotic resistance Anti-Biotics were far more effective as they could be used against a wide variety of Bacteria rather than a specific species.
-Today however, Bacteriophages are looking like they will play a much bigger role in healthcare in the Western World. Despite some regulatory problems stemming from their extreme specialization, the rise of more strains of Anti-Biotic resistant Bacteria looks to have given new life to the concept of medical Bacteriophages.
-Bacteriophages are very important to healthcare; especially in Post-Soviet Nations. Scientists are able to create Biophages that are able to target specific types of Bacteria that are harmful to humans and kill them off.
-A interesting trait of these Bacteriophages used in medicine is that a Bacteria can never become resistant to them as the virus itself constantly evolves new ways to fool the cell without human intervention.
-After the cell has split, sometimes splitting multiple times, the viral DNA in the cell has a small chance of reactivating and begin the Lytic cycle.
-A well known example of this happening is in the case of Chickenpox and Shingles. When you get Chickenpox, usually as a young child, it will sometimes manifest itself later in life as the condition known as "Shingles" which is essentially the viral DNA finally coming out of the Lysogenic cycle.
The Lysogenic cycle is much harder for the human immune system to detect and therefore combat as the viral DNA is hidden within a otherwise healthy cell.
- Because of this the immune system does not act to destroy the infected cell until it has already gone into the Lytic cycle and burst causing a full blown infection.
-To complicate matters, the reactivation of the viral DNA can happen months, years or even decades after the initial infection possibly striking when you are older and less able to fight the disease.
-After the Bacteriophage has injected its DNA into a Bacterium, it does not always immediately activate. This cell has no ill effects and can continue to work and reproduce itself albeit it also accidentally reproduces the viral DNA along with it's own.
-When this happens it is said that the Lysogenic Cycle has occured
1. The Bacteriophage attaches itself to the Bacterium.
2. Once attached to the surface of the Bacterium, the Bacteriophage injects its DNA into its new host.
2. The DNA attaches itself to the Bacterium's DNA and the new parts of the Bacteriophage begin to be assembled.
3. The pieces of the Bacteriophage are produced and assembled again and again by the Bacterium.
4. They are continually produced until the Bacterium "pops", and they are released to find new cells to infect.
<This is the original shared step.
Either begins into the Lytic or Lysogenic Cycle>
^^^
When the cell divides by Mitosis