title: Limited genetic and functional participation in multiple infections by UV-irradiated wild-type T4 phages in competition with one unirradiated helper phage.
mesh_terms: D003090:Coliphages / Q000528:radiation effects*; D004279:DNA, Viral / Q000528:radiation effects; D004926:Escherichia coli; D005827:Genetics, Microbial; D006378:Helper Viruses; D012333:RNA, Messenger; D011831:Radiation Genetics; D014466:Ultraviolet Rays
chemical_list: D004279:DNA, Viral; D012333:RNA, Messenger