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Chen DD, Zou QJ, Guo QS, et al. [Effect of short-day treatment on expression of CO gene in Chrysanthemum indicum]. Zhongguo Zhong Yao Za Zhi. 2019;44(4):648-653doi: 10.19540/j.cnki.cjcmm.2019.0014.
Chen, D. D., Zou, Q. J., Guo, Q. S., & Wang, T. (2019). [Effect of short-day treatment on expression of CO gene in Chrysanthemum indicum]. Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 44(4), 648-653. https://doi.org/10.19540/j.cnki.cjcmm.2019.0014
Chen, Dan-Dan, et al. "[Effect of short-day treatment on expression of CO gene in Chrysanthemum indicum]." Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica vol. 44,4 (2019): 648-653. doi: https://doi.org/10.19540/j.cnki.cjcmm.2019.0014
Chen DD, Zou QJ, Guo QS, Wang T. [Effect of short-day treatment on expression of CO gene in Chrysanthemum indicum]. Zhongguo Zhong Yao Za Zhi. 2019 Feb;44(4):648-653. doi: 10.19540/j.cnki.cjcmm.2019.0014. Chinese. PMID: 30989875.
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Zhongguo Zhong Yao Za Zhi. 2019 Feb;44(4):648-653. doi: 10.19540/j.cnki.cjcmm.2019.0014.

[Effect of short-day treatment on expression of CO gene in Chrysanthemum indicum].

Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica

[Article in Chinese]
Dan-Dan Chen, Qing-Jun Zou, Qiao-Sheng Guo, Tao Wang

Affiliations

  1. Institute of Chinese Medicinal Materials,Nanjing Agricultural University Nanjing 210095,China.

PMID: 30989875 DOI: 10.19540/j.cnki.cjcmm.2019.0014

Abstract

This experiment studied the expression pattern of key gene CO in the photoperiod of Chrysanthemum indicum. The CDS sequence of the Ch. indicum CO gene was cloned by RT-PCR. The open reading frame was 1 380 bp in length and encoded 459 amino acids. The bioinformatics analysis results showed that the Ch. indicum CO had higher homology with Ch. lavandulifolium and Artemisia annua,and the CO was more conservative in the same family. The molecular weight of the predicted protein encode by CO is 52. 04 k Da,the p I is 4. 81,the α-helix structure accounted for 17. 65%,the random coil accounted for 76. 69%,the extension chain accounted for 5. 66%,there are no β-fold and signal peptide. The experimental results showed that short-day treatment could increase the expression level of CO gene in Ch. indicum and induce its flowering. The results of qRT-PCR showed that the relative expression of CO gene in different tissues and different treatment periods of Ch. indicum was significantly different. In this paper,we studied the effect of short-day treatment on the expression of key genes in the flowering cycle of Ch. indicum,providing a basis for photoperiod regulation and harvesting period of Ch.indicum.

Keywords: CO; Chrysanthemum indicum; bioinformatics; expression; gene cloning

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