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Article

Phylogenomic Analysis and Functional Characterization of the APETALA2/Ethylene-Responsive Factor Transcription Factor Across Solanaceae

by
Fan Yang
,
Songxue Han
,
Yangxin Zhang
,
Xiangxiang Chen
,
Wenxian Gai
* and
Tao Zhao
*
College of Horticulture, Northwest A&F University, Yangling 712100, China
*
Authors to whom correspondence should be addressed.
Int. J. Mol. Sci. 2024, 25(20), 11247; https://doi.org/10.3390/ijms252011247
Submission received: 13 September 2024 / Revised: 8 October 2024 / Accepted: 12 October 2024 / Published: 19 October 2024
(This article belongs to the Special Issue Power Up Plant Genetic Research with Genomic Data 2.0)
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Abstract

The AP2/ERF family constitutes one of the largest groups of transcription factors in the Solanaceae. AP2/ERF contributes to various plant biological processes, including growth, development, and responses to various stresses. The origins and functional diversification of AP2/ERF within the Solanaceae family remain poorly understood, primarily because of the complex interactions between whole-genome duplications (WGDs) and tandem duplications. In this study, a total of 1282 AP2/ERF proteins are identified from 7 Solanaceae genomes. The amplification of AP2/ERF genes was driven not only by WGDs but also by the presence of clusters of tandem duplicated genes. The conservation of synteny across different chromosomes provides compelling evidence for the impact of the WGD event on the distribution pattern of AP2/ERF genes. Distinct expression patterns suggest that the multiple copies of AP2/ERF genes evolved in different functional directions, catalyzing the diversification of roles among the duplicated genes, which was of great significance for the adaptability of Solanaceae. Gene silencing and overexpression assays suggest that ERF-1 members’ role in regulating the timing of floral initiation in C. annuum. Our findings provide insights into the genomic origins, duplication events, and function divergence of the Solanaceae AP2/ERF.
Keywords: Solanaceae; AP2/ERF; phylogenomics; synteny; gene duplications; flowering time Solanaceae; AP2/ERF; phylogenomics; synteny; gene duplications; flowering time

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MDPI and ACS Style

Yang, F.; Han, S.; Zhang, Y.; Chen, X.; Gai, W.; Zhao, T. Phylogenomic Analysis and Functional Characterization of the APETALA2/Ethylene-Responsive Factor Transcription Factor Across Solanaceae. Int. J. Mol. Sci. 2024, 25, 11247. https://doi.org/10.3390/ijms252011247

AMA Style

Yang F, Han S, Zhang Y, Chen X, Gai W, Zhao T. Phylogenomic Analysis and Functional Characterization of the APETALA2/Ethylene-Responsive Factor Transcription Factor Across Solanaceae. International Journal of Molecular Sciences. 2024; 25(20):11247. https://doi.org/10.3390/ijms252011247

Chicago/Turabian Style

Yang, Fan, Songxue Han, Yangxin Zhang, Xiangxiang Chen, Wenxian Gai, and Tao Zhao. 2024. "Phylogenomic Analysis and Functional Characterization of the APETALA2/Ethylene-Responsive Factor Transcription Factor Across Solanaceae" International Journal of Molecular Sciences 25, no. 20: 11247. https://doi.org/10.3390/ijms252011247

APA Style

Yang, F., Han, S., Zhang, Y., Chen, X., Gai, W., & Zhao, T. (2024). Phylogenomic Analysis and Functional Characterization of the APETALA2/Ethylene-Responsive Factor Transcription Factor Across Solanaceae. International Journal of Molecular Sciences, 25(20), 11247. https://doi.org/10.3390/ijms252011247

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