J Integr Plant Biol. ›› 2020, Vol. 62 ›› Issue (3): 258-263.DOI: 10.1111/jipb.12918

• Commentaries •     Next Articles

The transcription factor ICE1 functions in cold stress response by binding to the promoters of CBF and COR genes

Kai Tang1,2†, Lun Zhao1,2†, Yuying Ren1,3†, Shuhua Yang4, Jian-Kang Zhu1,2 and Chunzhao Zhao1,5*   

  1. 1Shanghai Center for Plant Stress Biology and CAS Center for Excellence in Molecular Plant Sciences, Chinese Academy of Sciences, Shanghai 200032, China
    2Department of Horticulture and Landscape Architecture, Purdue University, West Lafayette, IN 47907, USA
    3University of the Chinese Academy of Sciences, Beijing 100049, China
    4State Key Laboratory of Plant Physiology and Biochemistry, College of Biological Sciences, China Agricultural University, Beijing 100193, China
    5State Key Laboratory of Crop Stress Adaptation and Improvement, School of Life Sciences, Henan University, Kaifeng 475004, China

    These authors contributed equally to this work.
    *Correspondence:
    Email: Chunzhao Zhao(czzhao@psc.ac.cn)
  • Received:2020-02-16 Accepted:2020-02-16 Online:2020-02-18 Published:2020-03-01

Abstract:

A recent paper by Kidokoro et al. (2020) in The Plant Cell reported a transgene‐dependent transcriptional silencing phenomenon in the dominant ice1‐1 Arabidopsis mutant containing the CBF3‐LUC reporter, and questioned whether ICE1 may regulate CBF genes and may be involved in plant cold response. Here, we evaluate available evidence supporting the involvement of ICE1 in plant cold response, and provide ChIP‐seq data showing ICE1 binding to the promoters of CBF genes and other regulatory genes known to be critical for cold response as well as to the promoters of some COR genes.

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