Phylogenetic and Expression Analysis of the Sucrose Synthase and Sucrose Phosphate Synthase Gene Family in Potatoes
文献类型： 外文期刊
作者： Hu, Jun 1 ; Duan, Yanfeng 1 ; Hu, Jinxue 3 ; Zhang, Shuqing 3 ; Li, Guangcun 1 ;
作者机构： 1.Chinese Acad Agr Sci, Inst Vegetables & Flowers, State Key Lab Vegetable Biobreeding, Beijing 100081, Peoples R China
2.Chinese Acad Agr Sci, Minist Agr & Rural Affairs, Inst Vegetables & Flowers, Key Lab Biol & Genet Improvement Tuber & Root Crop, Beijing 100081, Peoples R China
3.Shijiazhuang Acad Agr & Forestry Sci, Shijiazhuang 050041, Peoples R China
关键词： Solanum tuberosum L.; sucrose metabolism; gene expression; bioinformatics analysis
期刊名称：METABOLITES （ 影响因子：4.1； 五年影响因子：4.5 ）
ISSN：
年卷期： 2024 年 14 卷 1 期
页码：
收录情况： SCI
摘要： Sucrose synthase (SUS) and sucrose phosphate synthase (SPS) are essential in plant sucrose metabolism. The potato is an important crop worldwide, but systematic analyses of the StSUS and StSPS gene families in potatoes are still lacking. Ten sucrose metabolism-related genes were identified in this study. The SUSs and SPSs could each be split into three subgroups through phylogenetic analysis. StSUSIc was the most highly expressed gene in different developmental tissues. Ka/Ks analysis showed that StSUSIb and StSUSIc were subjected to more-significant homozygous selection pressure. Our cis-acting element analysis of the StSUS and StSPS promoter sequences showed four elements: defense- and stress-responsive, hormone-responsive, light-responsive, and transcription factor elements. The expression of StSUS and StSPS genes was found to be regulated by circadian rhythm. In the treatments of 1% to 5% sucrose, glucose, and fructose, the expression of StSUS and StSPS family genes was enhanced by sucrose, but inhibited at high-glucose and fructose concentrations. This study identified six StSUS and four StSPS genes and analyzed their gene structure, conserved motifs, chromosome position, promoter elements, phylogenetic tree, and tissue-specific expression patterns. Our results will motivate more research into the biological process underlying the genes of sucrose metabolism in potatoes.
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