Fig. 2 (a) PCR amplification of a 1059 bp RNase L fragment in 14 T₁ progeny segregating for RNase L: lanes: 1, 1 kb ladder; 2-15, T₁ progeny; 16, skip; 17, pRL, positive control; 18, skip; 19, non-transformed plant, negative control. (b) PCR amplification of a 633 bp 2-5A synthetase fragment in 16 T₁ progeny segregating for 2-5A synthetase: Lanes: 1, 1-kb ladder; 2-17, T₁ progeny; 18, p2-5A, positive control; 19, non-transformed plant, negative control

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