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Divergent Retention of Sucrose Metabolism Genes after Whole Genome Triplication in the Tomato (Solanum lycopersicum)

文献类型： 外文期刊

作者： Xu, Yang 1 ; Yao, Zhuping 1 ; Cheng, Yuan 1 ; Ruan, Meiying 1 ; Ye, Qingjing 1 ; Wang, Rongqing 1 ; Zhou, Guozhi 1 ; Liu, Jia 1 ; Liu, Chaochao 4 ; Wan, Hongjian 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Vegetables, State Key Lab Managing Biot & Chem Threats Qual &, China Australia Res Ctr Crop Improvement, Hangzhou 310021, Peoples R China

2.Yangtze Univ, Coll Hort & Gardening, Jingzhou 434025, Peoples R China

3.Wulanchabu Acad Agr & Forestry Sci, Wulanchabu 012000, Peoples R China

4.Jiangsu Univ Sci & Technol, Coll Biotechnol, Zhenjiang 212018, Peoples R China

关键词： sucrose metabolism genes; polyploidization; Solanum lycopersicum; evolution; homologous relationship; expression pattern

期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）

ISSN： 2223-7747

年卷期： 2023 年 12 卷 24 期

页码：

收录情况： SCI

摘要： Sucrose, the primary carbon transport mode and vital carbohydrate for higher plants, significantly impacts plant growth, development, yield, and quality formation. Its metabolism involves three key steps: synthesis, transport, and degradation. Two genome triplication events have occurred in Solanaceae, which have resulted in massive gene loss. In this study, a total of 48 and 65 genes from seven sucrose metabolism gene families in Vitis vinifera and Solanum lycopersicum were identified, respectively. The number of members comprising the different gene families varied widely. And there were significant variations in the pattern of gene duplication and loss in the tomato following two WGD events. Tandem duplication is a major factor in the expansion of the SWEET and Acid INV gene families. All the genes are irregularly distributed on the chromosomes, with the majority of the genes showing collinearity with the grape, particularly the CIN family. And the seven gene families were subjected to a purifying selection. The expression patterns of the different gene families exhibited notable variations. This study presents basic information about the sucrose metabolism genes in the tomato and grape, and paves the way for further investigations into the impact of SCT events on the phylogeny, gene retention duplication, and function of sucrose metabolism gene families in the tomato or Solanaceae, and the adaptive evolution of the tomato.

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