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. 1999 Apr;119(4):1243–1250. doi: 10.1104/pp.119.4.1243

Figure 1.

Figure 1

Effects of FC on PR gene expression. A, PR gene expression is induced by FC, as shown by RNA gel blots showing expression of PR1 (accession no. M69248), acidic PR glucanase (PR2A, accession no. M80604), acidic PR chitinase (PR3A, accession no. Z15141), basic PR chitinase (PR3B, accession no. Z15140), and ACC oxidase (ACO, accession no. A35021) in tomato leaves pretreated with either 1 μm FC or water for 30 min. Hybridization to a 28S rRNA probe is shown as a loading control. The data are representative of at least three independent experiments. B, Synergistic effects of FC and avirulence elicitor on PR gene expression, as shown by RNA gel blots showing expression of acidic PR chitinase (PR3A), basic PR chitinase (PR3B), and ACO in tomato cotyledons 24 h after injection with combinations of 1 μm FC and intercellular fluid extracts containing (Avr9+) or lacking (Avr9−) the Avr9 elicitor.