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Genome-wide characterization of SINA E3 ubiquitin ligase family members and their expression profiles in response to various abiotic stresses and hormones in kiwifruit

文献类型： 外文期刊

作者： Tang, Xiaoli 1 ; Hou, Yaqiong 1 ; Jiang, Fudong 2 ; Lang, Hongshan 1 ; Li, Jianzhao 1 ; Cheng, Jieshan 1 ; Wang, Limin 1 ; Liu, Xiaohua 1 ; Zhang, Hongxia 1 ;

作者机构： 1.Ludong Univ, Engn Res Inst Agr & Forestry, 186 Hongqizhong Rd, Yantai 264025, Shandong, Peoples R China

2.Yantai Acad Agr Sci, 26 West Gangcheng Ave, Yantai 265559, Shandong, Peoples R China

3.Shandong Acad Agr Sci, Shandong Inst Sericulture, 5 Qingdao Ave, Yantai 265503, Peoples R China

4.Zhaoyuan Shenghui Agr Technol Dev Co Ltd, Zhaoyuan 265400, Shandong, Peoples R China

5.186 Hongqizhong Rd, Yantai 264025, Peoples R China

关键词： Kiwifruit; AcSINA; Expression profiles; Abiotic stress; Protein interaction

期刊名称：PLANT PHYSIOLOGY AND BIOCHEMISTRY （ 影响因子：6.5； 五年影响因子：6.4 ）

ISSN： 0981-9428

年卷期： 2023 年 201 卷

页码：

收录情况： SCI

摘要： SINA (Seven in absentia) proteins in the subtype of E3 ubiquitin ligase family have important functions in regulating the growth and development as well as in response to abiotic and biotic stresses in plants. However, the characteristics and possible functions of SINA family proteins in kiwifruit are not studied. In this research, a total number of 11 AcSINA genes in the kiwifruit genome were identified. Chromosome location and multiple sequence alignment analyses indicated that they were unevenly distributed on 10 chromosomes and all con-tained the typical N-terminal RING domain and C-terminal SINA domain. Phylogenetic, gene structure and collinear relationship analyses revealed that they were highly conserved with the same gene structure, and have gone through segmental duplication events. Expression pattern analyses demonstrated that all AcSINAs were ubiquitously expressed in roots, stems and leaves, and were responsive to different abiotic and plant hormone treatments with overlapped but distinct expression patterns. Further yeast two-hybrid and Arabidopsis trans-formation analyses demonstrated most AcSINAs interacted with itself or other AcSINA members to form homo -or heterodimers, and ectopic expression of AcSINA2 in Arabidopsis led to hypersensitive growth phenotype of transgenic seedlings to ABA treatment. Our results reveal that AcSINAs take part in the response to various abiotic stresses and hormones, and provide important information for the functional elucidation of AcSINAs in vine fruit plants.

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