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. 2015 Sep 28;66(22):7377–7389. doi: 10.1093/jxb/erv434

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© The Author 2015. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 6. — Effect of StWRKY1 silencing on late blight resistance mechanisms. (A) Late blight disease severity progress. Disease severity was quantified as lesion length (mm) at 3 d intervals. (B) Biomass of P. infestans on silenced (S) and non-silenced (NS) resistant potato genotypes. Biomass was quantified as relative P. infestans-specific (O-8) gene expression at 6 dpi. Relative transcript expression of (C) StWRKY1, and phenylpropanoid genes for (D) 4-coumarate:CoA ligase, (E) tyramine hydroxycinnamoyl transferase, (F) tyrosine decarboxylase, and (G) hydroxycinnamoyl transferase. Relative transcript expression was measured at 48 hpi in comparison with reference genes for elongation factor-1α and β-tubulin. RPS indicates resistant silenced and inoculated with P. infestans; RMS indicates resistant silenced and inoculated with mock-solution; see main text for further details. Significant differences in expression levels in RP compared with SP using Student’s t-test: *P<0.05, **P<0.01.

Fig. 6. — Effect of StWRKY1 silencing on late blight resistance mechanisms. (A) Late blight disease severity progress. Disease severity was quantified as lesion length (mm) at 3 d intervals. (B) Biomass of P. infestans on silenced (S) and non-silenced (NS) resistant potato genotypes. Biomass was quantified as relative P. infestans-specific (O-8) gene expression at 6 dpi. Relative transcript expression of (C) StWRKY1, and phenylpropanoid genes for (D) 4-coumarate:CoA ligase, (E) tyramine hydroxycinnamoyl transferase, (F) tyrosine decarboxylase, and (G) hydroxycinnamoyl transferase. Relative transcript expression was measured at 48 hpi in comparison with reference genes for elongation factor-1α and β-tubulin. RPS indicates resistant silenced and inoculated with P. infestans; RMS indicates resistant silenced and inoculated with mock-solution; see main text for further details. Significant differences in expression levels in RP compared with SP using Student’s t-test: *P<0.05, **P<0.01.