[Phenomenon of w-reactivation in plasmids].
An analysis of the action of the bacterial repair system on the UV-irradiated pMB9 plasmid has been carried out. It has been shown that the UV-irradiated plasmid is repaired in the bacteria similarly to the DNA of bacteriophage (lambda): the effectiveness of the UVR-system is lowered two-three times, and the postreplicativing REC system acts only at low doses of the UV-light. The phenomenon of omega-reactivation is observed both with plasmid and phage DNAs.
D003090:Coliphages / Q000528:radiation effects; D004260:DNA Repair; D004307:Dose-Response Relationship, Radiation; D004926:Escherichia coli / Q000235:genetics* / Q000378:metabolism / Q000528:radiation effects; D010957:Plasmids / Q000528:radiation effects*; D014170:Transformation, Genetic / Q000528:radiation effects; D014466:Ultraviolet Rays
Fenomen w-reaktivatsii na plazmide.