Genome-wide identification and expression-pattern analysis of sulfate transporter (SULTR) gene family in cotton under multiple abiotic stresses and fiber development

文献类型： 外文期刊

第一作者： Chen, Yu

作者： Chen, Yu;Xiao, Xianghui;Sun, Zhihao;Yang, Shuhan;Zhang, Haibo;Xing, Baoguang;Li, Yanfang;Liu, Qiankun;Lu, Quanwei;Li, Pengtao;Chen, Yu;Xiao, Xianghui;Sun, Zhihao;Yang, Shuhan;Zhang, Haibo;Xing, Baoguang;Li, Yanfang;Liu, Qiankun;Shi, Yuzhen;Yuan, Youlu;Li, Pengtao;Chen, Yu;Miao, Chen;Yang, Rui

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关键词： Sulfate transporter protein; Genome-wide identification; Phylogenetic tree; Expression pattern analysis; qRT-PCR experiment

期刊名称：FUNCTIONAL & INTEGRATIVE GENOMICS （ 影响因子：2.9； 五年影响因子：3.3 ）

ISSN： 1438-793X

年卷期： 2024 年 24 卷 3 期

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收录情况： SCI

摘要： Sulfate transporter (SULTR) proteins are in charge of the transport and absorption on sulfate substances, and have been reported to play vital roles in the biological processes of plant growth and stress response. However, there were few reports of genome-wide identification and expression-pattern analysis of SULTRs in Hibiscus mutabilis. Gossypium genus is a ideal model for studying the allopolyploidy, therefore two diploid species (G. raimondii and G. arboreum) and two tetraploid species (G. hirsutum and G. barbadense) were chosen in this study to perform bioinformatic analyses, identifying 18, 18, 35, and 35 SULTR members, respectively. All the 106 cotton SULTR genes were utilized to construct the phylogenetic tree together with 11 Arabidopsis thaliana, 13 Oryza sativa, and 8 Zea mays ones, which was divided into Group1-Group4. The clustering analyses of gene structures and 10 conserved motifs among the cotton SULTR genes showed the consistent evolutionary relationship with the phylogenetic tree, and the results of gene-duplication identification among the four representative Gossypium species indicated that genome-wide or segment duplication might make main contributions to the expansion of SULTR gene family in cotton. Having conducted the cis-regulatory element analysis in promoter region, we noticed that the existing salicylic acid (SA), jasmonic acid (JA), and abscisic acid (ABA) elements could have influences with expression levels of cotton SULTR genes. The expression patterns of GhSULTR genes were also investigated on the 7 different tissues or organs and the developing ovules and fibers, most of which were highly expressed in root, stem, sepal, receptacel, ovule at 10 DPA, and fiber at 20 and 25 DPA. In addition, more active regulatory were observed in GhSULTR genes responding to multiple abiotic stresses, and 12 highly expressed genes showed the similar expression patterns in the quantitative Real-time PCR experiments under cold, heat, salt, and drought treatments. These findings broaden our insight into the evolutionary relationships and expression patterns of the SULTR gene family in cotton, and provide the valuable information for further screening the vital candidate genes on trait improvement.

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