ARLINGTON, Va.-Studies on common baker's yeast have led to the discovery of what may be a long-sought mechanism in the life cycle of retroviruses, including the human immunodeficiency virus (HIV).

Retroviruses are viruses that multiply by incorporating their genes into the genome of a host cell. If the infected cell is a germ cell, the retrovirus can then be passed on to the next generation as ...

Understanding every step in the life cycle of a virus is crucial for identifying potential targets for treatment. Now, scientists were able to show how a virus from the retrovirus family - the same ...