Identification of CpbZIP11 in Cyclocarya paliurus Involved in Environmental Stress Responses

An, Yin; He, Fayin; Ye, Qian; Fan, Sixian; Zeng, Yue; Tang, Ming; Yang, Zhengting; Li, Kun

doi:10.3390/f14102104

Open AccessArticle

Identification of CpbZIP11 in Cyclocarya paliurus Involved in Environmental Stress Responses

by

Yin An

^†,

Fayin He

^†,

Qian Ye

,

Sixian Fan

,

Yue Zeng

,

Ming Tang

,

Zhengting Yang

^*

and

Kun Li

^*

Key Laboratory of State Forestry Administration on Biodiversity Conservation in Karst Mountainous Areas of Southwestern China, School of Life Sciences, Guizhou Normal University, Guiyang 550025, China

^*

Authors to whom correspondence should be addressed.

^†

These authors contributed equally to this work.

Forests 2023, 14(10), 2104; https://doi.org/10.3390/f14102104

Submission received: 15 September 2023 / Revised: 10 October 2023 / Accepted: 17 October 2023 / Published: 20 October 2023

(This article belongs to the Special Issue Genetic Regulation of Growth and Development of Woody Plants)

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Abstract

Environmental stresses can disrupt protein structure, resulting in unfolded or misfolded proteins, thereby triggering endoplasmic reticulum (ER) stress. The unfolded protein response (UPR), particularly as activated by Arabidopsis AtbZIP60 gene, is pivotal for counteracting ER stress and ensuring cell survival. The medicinal plant, Cyclocarya paliurus, known for its wealth of beneficial compounds, is threatened by environmental stresses, limiting the exploration of its therapeutic potential. In order to better exploit and utilize its value, it is necessary to understand the signal pathway of environmental stresses. Here, we identify a homolog of AtbZIP60 in C. paliurus, termed CpbZIP11, which can be upregulated by tunicamycin. The conserved double stem-loop structure in its mRNA is spliced under environmental stresses. This splicing event results in a novel CpbZIP11 mRNA variant, leading to the production of a nuclear-localized CpbZIP11 protein with transcriptional activation activity in yeast. We further delve into the study of evolutionary lineage and motif conservation of CpbZIP11 homologs across various plant groups. This research illuminates the stress adaptation mechanisms in C. paliurus and deepens our understanding of the bZIP evolution, which endows versatility for the understanding of this transcription factor.

Keywords: endoplasmic reticulum stress; Cyclocarya paliurus; CpbZIP11; unfolded protein response (UPR); Arabidopsis AtbZIP60; environmental stresses

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MDPI and ACS Style

An, Y.; He, F.; Ye, Q.; Fan, S.; Zeng, Y.; Tang, M.; Yang, Z.; Li, K. Identification of CpbZIP11 in Cyclocarya paliurus Involved in Environmental Stress Responses. Forests 2023, 14, 2104. https://doi.org/10.3390/f14102104

AMA Style

An Y, He F, Ye Q, Fan S, Zeng Y, Tang M, Yang Z, Li K. Identification of CpbZIP11 in Cyclocarya paliurus Involved in Environmental Stress Responses. Forests. 2023; 14(10):2104. https://doi.org/10.3390/f14102104

Chicago/Turabian Style

An, Yin, Fayin He, Qian Ye, Sixian Fan, Yue Zeng, Ming Tang, Zhengting Yang, and Kun Li. 2023. "Identification of CpbZIP11 in Cyclocarya paliurus Involved in Environmental Stress Responses" Forests 14, no. 10: 2104. https://doi.org/10.3390/f14102104

APA Style

An, Y., He, F., Ye, Q., Fan, S., Zeng, Y., Tang, M., Yang, Z., & Li, K. (2023). Identification of CpbZIP11 in Cyclocarya paliurus Involved in Environmental Stress Responses. Forests, 14(10), 2104. https://doi.org/10.3390/f14102104

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Identification of CpbZIP11 in Cyclocarya paliurus Involved in Environmental Stress Responses

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