How did viruses evolve? Are they a streamlined form of something that existed long ago, or an ultimate culmination of smaller genetic elements joined together?

Ancient viral infections have left endogenous retroviruses in our DNA, impacting genomic evolution and playing roles in ...

Two types of elements contribute to instability leading to rearrangements: suppressors, which function in trans and include replication ... To preserve genome integrity and proper cell-cycle ...

Klumpe and his colleagues also captured copia’s replication cycle within intact egg chambers. Like retroviruses, ...