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Article

Identification of Photoperiod- and Phytohormone-Responsive DNA-Binding One Zinc Finger (Dof) Transcription Factors in Akebia trifoliata via Genome-Wide Expression Analysis

by
Qiuyi Zhang
1,
Shengfu Zhong
1,
Qing Dong
1,
Hao Yang
1,
Huai Yang
1,
Feiquan Tan
1,
Chen Chen
1,
Tianheng Ren
1,
Jinliang Shen
2,
Guoxing Cao
2 and
Peigao Luo
1,*
1
Key Laboratory of Plant Genetics and Breeding, Sichuan Agricultural University of Sichuan Province, Chengdu 611130, China
2
College of Forestry, Sichuan Agricultural University, Chengdu 611130, China
*
Author to whom correspondence should be addressed.
Int. J. Mol. Sci. 2023, 24(5), 4973; https://doi.org/10.3390/ijms24054973
Submission received: 4 February 2023 / Revised: 22 February 2023 / Accepted: 2 March 2023 / Published: 4 March 2023
(This article belongs to the Special Issue Light as a Growth and Development Regulator to Control Plant Biology)
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Abstract

As a kind of plant-specific transcription factor (TF), DNA-Binding One Zinc Finger (Dof) is widely involved in the response to environmental change, and as an evolutionarily important perennial plant species, Akebia trifoliata is ideal for studying environmental adaptation. In this study, a total of 41 AktDofs were identified in the A. trifoliata genome. First, the characteristics, including the length, exon number, and chromosomal distribution of the AktDofs and the isoelectric point (PI), amino acid number, molecular weight (MW), and conserved motifs of their putative proteins, were reported. Second, we found that all AktDofs evolutionarily underwent strong purifying selection, and many (33, 80.5%) of them were generated by whole-genome duplication (WGD). Third, we outlined their expression profiles by the use of available transcriptomic data and RT-qPCR analysis. Finally, we identified four candidate genes (AktDof21, AktDof20, AktDof36, and AktDof17) and three other candidate genes (AktDof26, AktDof16, and AktDof12) that respond to long day (LD) and darkness, respectively, and that are closely associated with phytohormone-regulating pathways. Overall, this research is the first to identify and characterize the AktDofs family and is very helpful for further research on A. trifoliata adaptation to environmental factors, especially photoperiod changes.
Keywords: Akebia trifoliata; Dof transcription factor; genome-wide duplication; photoperiod; phytohormone responsive; RT-qPCR Akebia trifoliata; Dof transcription factor; genome-wide duplication; photoperiod; phytohormone responsive; RT-qPCR

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MDPI and ACS Style

Zhang, Q.; Zhong, S.; Dong, Q.; Yang, H.; Yang, H.; Tan, F.; Chen, C.; Ren, T.; Shen, J.; Cao, G.; et al. Identification of Photoperiod- and Phytohormone-Responsive DNA-Binding One Zinc Finger (Dof) Transcription Factors in Akebia trifoliata via Genome-Wide Expression Analysis. Int. J. Mol. Sci. 2023, 24, 4973. https://doi.org/10.3390/ijms24054973

AMA Style

Zhang Q, Zhong S, Dong Q, Yang H, Yang H, Tan F, Chen C, Ren T, Shen J, Cao G, et al. Identification of Photoperiod- and Phytohormone-Responsive DNA-Binding One Zinc Finger (Dof) Transcription Factors in Akebia trifoliata via Genome-Wide Expression Analysis. International Journal of Molecular Sciences. 2023; 24(5):4973. https://doi.org/10.3390/ijms24054973

Chicago/Turabian Style

Zhang, Qiuyi, Shengfu Zhong, Qing Dong, Hao Yang, Huai Yang, Feiquan Tan, Chen Chen, Tianheng Ren, Jinliang Shen, Guoxing Cao, and et al. 2023. "Identification of Photoperiod- and Phytohormone-Responsive DNA-Binding One Zinc Finger (Dof) Transcription Factors in Akebia trifoliata via Genome-Wide Expression Analysis" International Journal of Molecular Sciences 24, no. 5: 4973. https://doi.org/10.3390/ijms24054973

APA Style

Zhang, Q., Zhong, S., Dong, Q., Yang, H., Yang, H., Tan, F., Chen, C., Ren, T., Shen, J., Cao, G., & Luo, P. (2023). Identification of Photoperiod- and Phytohormone-Responsive DNA-Binding One Zinc Finger (Dof) Transcription Factors in Akebia trifoliata via Genome-Wide Expression Analysis. International Journal of Molecular Sciences, 24(5), 4973. https://doi.org/10.3390/ijms24054973

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