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Article

Genome Identification, Expression Profile Analysis, and Abiotic Stress Response Mechanism of Longan BES1 Gene

by
Zilu Zeng
1,†,
Ronglin Liu
1,†,
Jin Zhao
1,
Shuoxian Lan
2,
Hao Yang
1,
Hua Wu
3,
Yuling Lin
2,* and
Shijiang Cao
1,*
1
College of Forestry, Fujian Agriculture and Forestry University, Fuzhou 350002, China
2
Institute of Horticultural Biotechnology, Fujian Agriculture and Forestry University, Fuzhou 350002, China
3
College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China
*
Authors to whom correspondence should be addressed.
†
These authors contributed equally to this work.
Int. J. Mol. Sci. 2025, 26(7), 3003; https://doi.org/10.3390/ijms26073003
Submission received: 7 February 2025 / Revised: 18 March 2025 / Accepted: 20 March 2025 / Published: 25 March 2025
(This article belongs to the Special Issue New Trends in Genomics and Metabolomics of Horticultural Plants at Fujian Agriculture and Forestry University)
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Abstract

BES1 (BRI1 EMS SUPPRESSOR 1) is a critical transcription factor involved in plant growth, development, and stress responses. Although BES1 genes have been characterized in several species, their roles in longan (Dimocarpus longan Lour.) remain unclear. This study identified and analyzed eight BES1 genes in the longan genome. Phylogenetic analysis classified these genes into four subgroups (I-IV), with conserved motifs and intron–exon structures indicating potential functional similarities within subgroups. Cis-element analysis revealed that the promoters of DlBES1 genes contain numerous hormone-related elements, including ABRE, TGACG, and TCA motifs, suggesting their involvement in hormonal signaling and stress responses. Expression profiling showed differential expression patterns of DlBES1 genes across nine tissues, with notable up-regulation in roots and seeds. Additionally, DlBES1 genes exhibited distinct expression trends under varying temperatures and in response to IAA treatment, indicating potential roles in temperature stress adaptation and hormone signaling. These findings provide novel insights into the regulatory mechanisms of BES1 genes in longan and highlight their potential significance in stress tolerance and growth regulation.
Keywords: Dimocarpus longan Lour.; BES1 gene family; IAA response; evolutionary analysis; abiotic stress Dimocarpus longan Lour.; BES1 gene family; IAA response; evolutionary analysis; abiotic stress

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MDPI and ACS Style

Zeng, Z.; Liu, R.; Zhao, J.; Lan, S.; Yang, H.; Wu, H.; Lin, Y.; Cao, S. Genome Identification, Expression Profile Analysis, and Abiotic Stress Response Mechanism of Longan BES1 Gene. Int. J. Mol. Sci. 2025, 26, 3003. https://doi.org/10.3390/ijms26073003

AMA Style

Zeng Z, Liu R, Zhao J, Lan S, Yang H, Wu H, Lin Y, Cao S. Genome Identification, Expression Profile Analysis, and Abiotic Stress Response Mechanism of Longan BES1 Gene. International Journal of Molecular Sciences. 2025; 26(7):3003. https://doi.org/10.3390/ijms26073003

Chicago/Turabian Style

Zeng, Zilu, Ronglin Liu, Jin Zhao, Shuoxian Lan, Hao Yang, Hua Wu, Yuling Lin, and Shijiang Cao. 2025. "Genome Identification, Expression Profile Analysis, and Abiotic Stress Response Mechanism of Longan BES1 Gene" International Journal of Molecular Sciences 26, no. 7: 3003. https://doi.org/10.3390/ijms26073003

APA Style

Zeng, Z., Liu, R., Zhao, J., Lan, S., Yang, H., Wu, H., Lin, Y., & Cao, S. (2025). Genome Identification, Expression Profile Analysis, and Abiotic Stress Response Mechanism of Longan BES1 Gene. International Journal of Molecular Sciences, 26(7), 3003. https://doi.org/10.3390/ijms26073003

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