Genome-Wide Identification of Trehalose-6-phosphate Synthase (TPS) Gene Family Reveals the Potential Role in Carbohydrate Metabolism in Peach

被引:2
作者
Fan, Shihao [1 ]
Wang, Zhe [2 ]
Xiao, Yuansong [2 ]
Liang, Jiahui [2 ]
Zhao, Shilong [2 ]
Liu, Yihua [2 ]
Peng, Futian [1 ]
Guo, Jian [1 ]
机构
[1] Shandong Agr Univ, Coll Hort Sci & Engn, Tai An 271018, Peoples R China
[2] Linyi Univ, Coll Agr & Forestry Sci, Linyi 276000, Peoples R China
关键词
peach; TPS; T6P; gene family; TREHALOSE METABOLISM; EXPRESSION; MULTIPLE; PHOSPHORYLATION; BIOSYNTHESIS; ACCUMULATION; PHOSPHATASE; TOLERANCE; PROTEINS; PATTERNS;
D O I
10.3390/genes15010039
中图分类号
Q3 [遗传学];
学科分类号
071007 ; 090102 ;
摘要
Trehalose-6-phosphate synthase (TPS) is essential for plant growth and development, linking trehalose-6-phosphate (T6P) to carbon metabolism. However, little is known about the TPS gene family in peaches and their potential roles in regulating carbohydrates in peach fruit. In this study, nine TPS genes were identified in the peach genome and named according to the homologous genes in Arabidopsis. Phylogenetic analysis showed that three subfamilies were identified, including TPSI, TPSII-1, and TPSII-2, which were also consistent with gene structure analysis. Considerable cis-elements were enriched in the promoters, including plant hormone-related elements. Tissue-specific analysis showed that these TPS genes were mainly expressed in leaves, stems, and fruit, showing different expression patterns for each gene. In addition, during fruit development, the content of trehalose-6-phosphate (T6P) was positively correlated with the expression of PpTPS7a and negatively with sucrose non-fermenting-1-related kinase 1 (SnRK1) activity. Transient overexpression and silencing of PpTPS7a in peach fruit validated its function in regulating T6P content and SnRK1 activity.
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页数:15
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