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. 2014 May 31;14:150. doi: 10.1186/1471-2229-14-150

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Copyright © 2014 Ré et al.; licensee BioMed Central Ltd.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License ( http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Chlorophyll content, photosynthesis rate and senescence time are regulated by AtHB7 and AtHB12 in mature plants. (A) Total chlorophyll content quantified in 45-day-old plants leaves. Extracts were prepared from green rosette leaves of plants grown under standard conditions during 45-days. (B) Photosynthetic rate quantified with IRGA in leaves of 45-day-old plants. (C) Senescence degree as the percentage of yellow area in the rosette quantified after scanning with ImageJ. Illustrative photographs of 48-day-old rosettes of each genotype. Error bars represent SE (n = 5); “*” denotes statistical differences obtained with one-way-ANOVA-Tukey’s P < 0.05.