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. 2016 Dec 26;7:1963. doi: 10.3389/fpls.2016.01963

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Copyright © 2016 He, Li, Cui, Xie, Zheng, Zhou, Zhou and Xie.

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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Proposed model of the relationship between phytochrome B and cold stress. Cold stress induces the expression of OsDREB1s. Phytochrome B negatively regulates OsDREB1 genes by inhibiting the expression of OsPIL16. OsDREB1s inhibit lipid peroxidation to alleviate cold-induced membrane damage under cold stress. OsDREB1s also inhibit MDA accumulation to reduce cold damage and enhance cold tolerance. Arrows denote positive effects, bars indicate negative roles, the dotted line indicates indirect regulation, and solid lines indicate direct regulation.