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Cited by 221

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Transcriptional activation and phosphorylation of OsCNGC9 confer enhanced chilling tolerance in rice

Open access
Wang, Jiachang, Ren, Yulong, Liu, Xi, Luo, Sheng, Zhang, Xiao, Liu, Xin, Lin, Qibing, Zhu, Shanshan, Wan, Hua, Yang, Yang, Zhang, Yu, Lei, Bin, Zhou, Chunlei, Pan, Tian, Wang, Yongfei, Wu, Mingming, jing, Ruonan, Xu, Yang, Han, Meng, Wu, Fuqing, Lei, Cailin, Guo, Xiuping, Cheng, Zhijun, Zheng, Xiaoming, Wang, Yihua, Zhao, Zhigang, Jiang, Ling, Zhang, Xin, Wang, Yong-Fei, Wang, Haiyang, Wan, Jianmin·2021·Molecular Plant

Abstract

Low temperature is a major environmental factor limiting plant growth and productivity. Although transient elevation of cytoplasmic calcium has long been recognized as a critical signal for plant cold tolerance, the calcium channels responsible for this process have remained largely elusive. Here, we reported that OsCNGC9, a cyclic nucleotide-gated channel, positively regulates chilling tolerance by mediating cytoplasmic calcium elevation in rice (Oryza sativa). We showed that the loss-of-function mutant of OsCNGC9 is defective in cold-induced calcium influx and more sensitive to prolonged cold treatment while OsCNGC9 overexpression confers enhanced cold tolerance. Mechanistically, we showed that in response to chilling stress, OsSAPK8, a homolog of Arabidopsis thaliana OST1, phosphorylates and activates OsCNGC9 to trigger Ca2+ influx. In addition, transcription of OsCNGC9 is activated by a rice dehydration responsive element binding transcription factor, OsDREB1A. Together, our results suggested that OsCNGC9 enhances chilling tolerance in rice through regulating cold-induced calcium influx and cytoplasmic calcium elevation.

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Metadata

Authors
Wang, J., Ren, Y., Liu, X., Luo, S., Zhang, X., Liu, X., Lin, Q., Zhu, S., Wan, H., Yang, Y., Zhang, Y., Lei, B., Zhou, C., Pan, T., Wang, Y., Wu, M., jing, R., Xu, Y., Han, M., Wu, F., Lei, C., Guo, X., Cheng, Z., Zheng, X., Wang, Y., Zhao, Z., Jiang, L., Zhang, X., Wang, Y.-F., Wang, H., & Wan, J.
Venue
Molecular Plant
Publisher
Elsevier BV
Published
2021-02
Volume
14
Issue
2
Pages
315-329
ISSN
1674-2052 (ISSN-L)
OpenAlex
W3110630321
Cited by
221
References
3
FWCI
10.62
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Transcriptional activation and phosphorylation of OsCNGC9 confer enhanced chilling tolerance in rice. https://app.cochat.ai/papers/10.1016/j.molp.2020.11.022
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Wang, J., Ren, Y., Liu, X., Luo, S., Zhang, X., Liu, X., Lin, Q., Zhu, S., Wan, H., Yang, Y., Zhang, Y., Lei, B., Zhou, C., Pan, T., Wang, Y., Wu, M., jing, R., Xu, Y., Han, M., . . . Wan, J. (2021). Transcriptional activation and phosphorylation of OsCNGC9 confer enhanced chilling tolerance in rice. Molecular Plant. https://doi.org/10.1016/j.molp.2020.11.022

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