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. 2022 Jul 4;12:11264. doi: 10.1038/s41598-022-14429-x

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© The Author(s) 2022

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Thermomemory is improved in the ataf1–4/anac055 double-knockout mutant compared to WT. (a) Schematic representation of HS regime. (b) Thermomemory phenotype of ANAC055-OE, anac055-1 and anac055-2 mutants, and WT plants. (c) Thermomemory phenotype of ATAF1-OE, ataf1–4 mutant, ataf1–4/anac055 double-mutant, and WT plants. Seedlings were exposed to the HS regime shown in (a). Left panels: seedlings photographed 14 days after exposure to the triggering heat stress. The phenotype of one representative replicate of at least three (b) or five (c) independent biological replicates is shown. Right panels: seedling fresh mass upon heat stress, compared to control plants (no heat stress). Error bars represent standard deviation, which was calculated from three biological replicates, where each replicate was the average mass of 18–19 seedlings. Significant differences between transgenic lines and WT plants were calculated using Student’s t-test; * if P < 0.05; *** if P < 0.001.