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. 2017 Nov 10;8:1421. doi: 10.1038/s41467-017-01576-3

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© The Author(s) 2017

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 license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license 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 license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — Candidate gene mutant photosynthesis efficiency response to increased irradiance. a–c Photosynthesis efficiency (Ф_PSII) response over time (±s.e.m., N = 16) and chlorophyll fluorescence images of knock-out mutants for the a YELLOW SEEDLING 1 (ys1); b DGD1 SUPPRESSOR 1 (dgs1); and c ASPARAGINE SYNTHETASE 2 (asn2) gene, compared to Col-0 wild-type plants (WT). The chlorophyll fluorescence images were taken 1 h after the beginning of the photoperiod. The vertical dotted line at 25 days after sowing indicates the increase in irradiance from 100 to 550 µmol m⁻² s⁻¹