Computer Virus Analogy

[Prof. Pasquale Urbano]

Peter Leaback wrote:

 
> I was wondering if there is an analogy in the biological world. When a
> virus infects a cell, I would have thought it would be counter productive
> for a second infection.

Apart from lytic cycles, a stable relationship is mantained by temperate  phages in 
their bacterial hosts; these are immune to superinfection by the same virus, 
because some of the integrated provirus genes are expressed to make a repressor 
of replication.

-- 
Pasquale Urbano - fax: +39-55-4223895