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Genome-wide analysis of soybean hypoxia inducible gene domain containing genes: a functional investigation of GmHIGD3

文献类型： 外文期刊

作者： Geng, Xiaoyan 1 ; Dong, Lu 1 ; Zhu, Tiantian 1 ; Yang, Chunhong 1 ; Zhang, Jianhua 1 ; Guo, Binhui 1 ; Chen, Huatao 2 ; Zhang, Qun 4 ; Song, Li 1 ;

作者机构： 1.Yangzhou Univ, Joint Int Res Lab Agr & Agriprod Safety, Jiangsu Key Lab Crop Genom & Mol Breeding, Minist Educ China, Yangzhou, Jiangsu, Peoples R China

2.Zhongshan Biol Breeding Lab, Nanjing, Peoples R China

3.Jiangsu Acad Agr Sci, Inst Ind Crops, Nanjing, Peoples R China

4.Nanjing Agr Univ, Coll Life Sci, State Key Lab Crop Genet & Germplasm Enhancement &, Nanjing, Peoples R China

关键词： HIGD; Glycine max; expression pattern; hypoxia response; mitochondria

期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：4.1； 五年影响因子：5.3 ）

ISSN： 1664-462X

年卷期： 2024 年 15 卷

页码：

收录情况： SCI

摘要： The response of Hypoxia Inducible Gene Domain (HIGD) proteins to hypoxia plays a crucial role in plant development. However, the research on this gene family in soybean has been lacking. In this study, we aimed to identify and comprehensively analyze soybean HIGD genes using the Glycine max genome database. As a result, six GmHIGD genes were successfully identified, and their phylogeny, gene structures, and putative conserved motifs were analyzed in comparison to Arabidopsis and rice. Collinearity analysis indicated that the HIGD gene family in soybean has expanded to some extent when compared to Arabidopsis. Additionally, the cis-elements in the promoter regions of GmHIGD and the transcription factors potentially binding to these regions were identified. All GmHIGD genes showed specific responsiveness to submergence and hypoxic stresses. Expression profiling through quantitative real-time PCR revealed that these genes were significantly induced by PEG treatment in root tissue. Co-expressed genes of GmHIGD were primarily associated with oxidoreductase and dioxygenase activities, as well as peroxisome function. Notably, one of GmHIGD genes, GmHIGD3 was found to be predominantly localized in mitochondria, and its overexpression in Arabidopsis led to a significantly reduction in catalase activity compared to wild-type plants. These results bring new insights into the functional role of GmHIGD in terms of subcellular localization and the regulation of oxidoreductase activity.

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