Temperate phage

From Biology-Online Dictionary | Biology-Online Dictionary


noun, plural: temperate phages

A bacteriophage that displays lysogenic life cycle in contrast to virulent phage that does not have the ability to display lysogeny (especially following mutation).


Many temperate phages are capable of integrating their genome into the genome of their host. These phages can infect bacterial cell but rarely cause lysis.

Compare: virulent phage mutant