Transcriptome Co-Expression Network Analysis of Peach Fruit with Different Sugar Concentrations Reveals Key Regulators in Sugar Metabolism Involved in Cold Tolerance
文献类型： 外文期刊
作者： Wang, Lufan 1 ; Zheng, Xiaolin 2 ; Ye, Zhengwen 1 ; Su, Mingshen 1 ; Zhang, Xianan 1 ; Du, Jihong 1 ; Li, Xiongwei 1 ; Zhou, Huijuan 1 ; Huan, Chen 2 ;
作者机构： 1.Shanghai Acad Agr Sci, Forestry & Fruit Res Inst, Shanghai 201403, Peoples R China
2.Zhejiang Gongshang Univ, Coll Food Sci & Biotechnol, Hangzhou 310018, Peoples R China
3.Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing 210000, Peoples R China
关键词： chilling injury; peach fruit; regulatory network; sugar metabolism; transcriptome analysis
期刊名称：FOODS （ 影响因子：5.2； 五年影响因子：5.5 ）
ISSN：
年卷期： 2023 年 12 卷 11 期
页码：
收录情况： SCI
摘要： Peach fruits are known to be highly susceptible to chilling injury (CI) during low-temperature storage, which has been linked to the level of sugar concentration in the fruit. In order to better understand the relationship between sugar metabolism and CI, we conducted a study examining the concentration of sucrose, fructose, and glucose in peach fruit with different sugar concentrations and examined their relationship with CI. Through transcriptome sequencing, we screened the functional genes and transcription factors (TFs) involved in the sugar metabolism pathway that may cause CI in peach fruit. Our results identified five key functional genes (PpSS, PpINV, PpMGAM, PpFRK, and PpHXK) and eight TFs (PpMYB1/3, PpMYB-related1, PpWRKY4, PpbZIP1/2/3, and PpbHLH2) that are associated with sugar metabolism and CI development. The analysis of co-expression network mapping and binding site prediction identified the most likely associations between these TFs and functional genes. This study provides insights into the metabolic and molecular mechanisms regulating sugar changes in peach fruit with different sugar concentrations and presents potential targets for breeding high-sugar and cold-tolerant peach varieties.
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