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Genome-Wide Identification and Comprehensive Analysis of Ubiquitin-Specific Protease Gene Family in Soybean (Glycine max)

文献类型： 外文期刊

作者： Tan, Cuirong 1 ; Ban, Dingyue 2 ; Li, Haiyang 1 ; Wang, Jinxing 4 ; Liu, Baohui 1 ; Zhang, Chunyu 2 ;

作者机构： 1.Guangzhou Univ, Innovat Ctr Mol Genet & Evolut, Sch Life Sci, Guangdong Prov Key Lab Plant Adaptat & Mol Design, Guangzhou 510006, Peoples R China

2.Chinese Acad Sci, Guangdong Prov Key Lab Appl Bot, South China Bot Garden, Guangzhou 510650, Peoples R China

3.Chinese Acad Sci, State Key Lab Plant Divers & Specialty Crops, South China Bot Garden, Guangzhou 510650, Peoples R China

4.Heilongjiang Acad Agr Sci, Suihua Branch, Suihua 152052, Peoples R China

关键词： soybean; ubiquitin-specific proteases (UBPs); haplotype analysis; gene expression

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：4.9； 五年影响因子：5.7 ）

ISSN： 1661-6596

年卷期： 2025 年 26 卷 14 期

页码：

收录情况： SCI

摘要： Deubiquitination plays a pivotal role in regulating plant responses to abiotic stress, growth, and development. Among the deubiquitinase (DUB) families, ubiquitin-specific proteases (UBPs) constitute the largest group. Despite this, limited research has been conducted on the functional characteristics of the UBP gene family in soybean (Glycine max). In this study, we identified 52 UBP gene family members in soybean, all of which harbored UCH (ubiquitin C-terminal hydrolase) domains with short yet evolutionarily conserved Cys-box and His-box. These genes were phylogenetically classified into 14 distinct groups; GmUBP genes within the same group shared analogous patterns of conserved domains and motifs. Moreover, a synteny analysis reveals that the GmUBP family has undergone extensive gene duplication events and shares a close evolutionary relationship with Arabidopsis thaliana. We conducted a focused analysis on GmUBP7, which is a gene exhibiting high expression levels in soybean seeds. Intriguingly, this gene exhibited several haplotypes in natural soybean varieties, with significant differences being observed in relation to seed traits, such as 100-seed weight, total fatty acid content, and protein content among different haplotypes. Collectively, the findings from this study provide a foundation for the functional characterization of GmUBP genes, offering new insights into the regulatory network underlying seed development in soybean.

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