Life Cycle
T7 has a short life cycle of 17 min at 37˚C, i.e. the time from infection to the lysis of the host cell when new phage are released. Due to the short latent period most physiological studies are being conducted at 30˚C where infected cells lyse after 30 min. However, high fitness-strains of T7 have been isolated with a latent period of only ~11 min at 37˚C growing under optimal conditions in rich media results. This adapted phage can undergo an effective expansion of its population by more than 1013 in one hour of growth.
Read more about this topic: T7 Phage
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