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. 2011 Dec 29;7(12):e1002434. doi: 10.1371/journal.pgen.1002434

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López et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Comparative level of histone modifications of PR-1, PDF1.2a and Actin2 gene promoters as present in leaf samples from Col-0, nrpd1, nrpe1 and nrpd2 plants. (A) Histone H3 Lys4 trimethylation (H3K4me3) on the indicated gene promoters. (B) Histone H3 K9 acetylation (H3K9ac) on the indicated gene promoters. Data are standardized for Col-0 histone modification levels. (C–D) H3K4me3 (C) and H3K9ac (D) modifications on PR-1 and PDF1.2a gene promoters in Col-0 and nrpd2 plants 48 h after inoculation with P. cucumerina. (D) (−) mock inoculated plants, (+) P. cucumerin inoculated plants. Data are standardized for mock inoculated Col-0 histone modification levels. Data represent the mean ± SD; n = 3 biological replicates.