Abstract
Cultures of chick cells exposed to interferon continued to decrease in virus-producing ability during incubation after the interferon was removed. The rate of development of the additional interference and the degree of viral interference finally manifested were dependent on the concentration of interferon to which the cultures were exposed and the time of exposure. Additional interference occurred also in infected cells. Additional interference was inhibited by actinomycin D and puromycin. The best explanation of additional interference is that it results from interferon that is fixed to the cells during their initial period of contact.
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Selected References
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