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Polyamines intracellular level in PAM cells infected by ASFV. PAM cells were infected by ASFV. At 24 or 48 h post-infection, the cells were harvested and PAM intracellular polyamine levels were detected by the TCL method. Lane (1,2,3) the standard sample of spermidine, spermidine, and putrescine, respectively. Lane (4,6) PAM cells 24 or 48 h p.i. infected by ASFV. Lane (5,7) PAM cells 24 or 48 h mock.
