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PR-1 Expression and Systemic Spread of TCV in SA-Treated Plants.
Three-week-old Col-0 plants were treated with SA (500 μM) or water and then TCV (T)- or mock (M)-inoculated 2 days after treatment. The expression of PR-1 and the accumulation of viral genome were analyzed in both inoculated (I) and uninoculated (U) tissues at 10 DPI. The blot (1 to 9) was sequentially probed for TCV, PR-1, and rRNA (the rRNA served as an internal control for gel loading and transfer).
