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. 2016 Feb 11;7:145. doi: 10.3389/fpls.2016.00145

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Copyright © 2016 Jiang, Qiu, Hu and Yu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Improved drought tolerance in AtWRKY57 transgenic rice. (A) Before drought treatment. (B) Drought for 14 days. (C) Drought for 20 days. (D) Recovery for 7 days after 20 days drought treatment. Drought stress was imposed on 4-week-old T3 transgenic seedlings in greenhouse. Drought experiments were repeated three times and at least 40 plants for each individual lines were used in each repeated experiment and one representative picture was shown. (E) Survival rate after 20 days drought stress. Values are mean ± SE (n = 40 plants, ^∗P < 0.05). (F) Rate of water loss by detached leaves from control and transgenic plants. Values are the mean ± SE (n = 6 plants, ^∗∗P < 0.01). (G) Proline content in the leaves of 4-week-old transgenic and control plants with or without drought treatments. Values are the mean ± SE of three independent experiments (^∗P < 0.05). FW, Fresh weight.