J Integr Plant Biol. ›› 2017, Vol. 59 ›› Issue (11): 774-791.DOI: 10.1111/jipb.12571

• Invited Expert Review •     Next Articles

Small RNAs in regulating temperature stress response in plants

Qing Liu1†, Shijuan Yan2†, Tifeng Yang1, Shaohong Zhang1, Yue-Qin Chen3* and Bin Liu1*   

  1. 1Guangdong Key Laboratory of New Technology in Rice Breeding, Rice Research Institute, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
    2Agro-biological Gene Research Center, Guangdong Academy of Agricultural Sciences, Guangzhou 510640, China
    3Key Laboratory of Gene Engineering of the Ministry of Education, State Key Laboratory for Biocontrol, School of Life Science, Sun Yat-Sen University, Guangzhou 510275, China
  • Received:2017-07-05 Accepted:2017-07-12 Published:2017-11-13
  • About author:These authors contributed equally to this work.
    **Correspondences: E-mail: Yue-Qin Chen (lsscyq@mail.sysu.edu.cn); Bin Liu (lbgz1009@163.com, Dr. Liu is fully responsible for the distribution of all materials associated with this article)

Abstract:

Due to global climate change, temperature stress has become one of the primary causes of crop losses worldwide. Much progress has been made in unraveling the complex stress response mechanisms in plants, particularly in the identification of temperature stress responsive protein-coding genes. Recently discovered microRNAs (miRNAs) and endogenous small-interfering RNAs (siRN As) have also been demonstrated as important players in plant temperature stress response. Using high-throughput sequencing, many small RNAs, especially miRNAs, have been identified to be triggered by cold or heat. Subsequently, several studies have shown an important functional role for these small RNAs in cold or heat tolerance. These findings greatly broaden our understanding of endogenous small RNAs in plant stress response control. Here, we highlight new findings regarding the roles of miRNAs and siRNAs in plant temperature stress response and acclimation. We also review the current understanding of the regulatory mechanisms of small RNAs in temperature stress response, and explore the outlook for the use of these small RNAs in molecular breeding for improvement of temperature stress tolerance in plants.

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