It's like a leopard being able to change its spots. New forms come up, and the immune system beats them down again. Because of this a lot of people think you need five years of constant exposure to malaria in its different disguises to gain immunity. |
The promoter is all you need for activation and silencing. |
The promoter is all you need for activation and silencing. It's the main site of action where everything is happening. |
The promoter is all you need for activation and silencing. It's the main site of action where everything is happening. This is the first time anyone has actually been able to infiltrate an antigenic variation program. |
This is the first time anyone has actually been able to infiltrate an antigenic variation program. We forced the cell to switch our gene on and others off. |