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  • Title: Infection of resistant avian cells by subgroup B Rous sarcoma virus.
    Author: Linial M.
    Journal: J Virol; 1976 Nov; 20(2):384-90. PubMed ID: 185423.
    Abstract:
    Chicken fibroblasts derived from the H & N flock, which have been characterized as resistant to subgroup B avian oncornaviruses in focus assays, can be infected in suspension shortly after trypsinization by subgroup B sarcoma and leukosis viruses. Once cells are plated, resistance to infection reappears rapidly. C/BE cell suspensions obtained by treatment with EDTA instead of trypsin are not as sensitive to infection. Late interference established by preinfection with subgroup B leukosis viruses is not overcome by trypsinization. In addition to C/BE H & N chicken cells, C/ABE RPRL line 7 cells can also be infected by subgroup B viruses shortly after trypsinization; however, none of the cell types can be made sensitive to subgroup E infection. These results are discussed in relation to current information on the genetic control of resistance to avian oncornaviruses.
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