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Genome-Wide Analyses of SlFWL Family Genes and Their Expression Profiles under Cold, Heat, Salt and Drought Stress in Tomato

文献类型： 外文期刊

作者： Ran, Chunxia 1 ; Zhang, Yingying 1 ; Chang, Feifei 2 ; Yang, Xuedong 2 ; Liu, Yahui 2 ; Wang, Quanhua 1 ; Zhu, Weimin 1 ;

作者机构： 1.Shanghai Normal Univ, Coll Life Sci, Shanghai Collaborat Innovat Ctr Plant Germplasm Re, Shanghai 200234, Peoples R China

2.Shanghai Acad Agr Sci, Protected Hort Inst, Shanghai Key Lab Protected Hort Technol, Shanghai 201403, Peoples R China

关键词： tomato (Solanum lycopersicum); FWL (FW2; 2-like) gene family; PLAC8 structural domain; phylogenetic analysis; expression analysis

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.6； 五年影响因子：6.2 ）

ISSN： 1661-6596

年卷期： 2023 年 24 卷 14 期

页码：

收录情况： SCI

摘要： PLAC8 is a cysteine-rich protein that serves as a central mediator of tumor evolution in mammals. PLAC8 motif-containing proteins widely distribute in fungi, algae, higher plants and animals that have been described to be implicated in fruit size, cell number and the transport of heavy metals such as cadmium or zinc. In tomatoes, FW2.2 is a PLAC8 motif-containing gene that negatively controls fruit size by regulating cell division and expansion in the carpel ovary during fruit development. However, despite FW2.2, other FWL (FW2.2-Like) genes in tomatoes have not been investigated. In this study, we identified the 21 SlFWL genes, including FW2.2, examined their expression profiles under various abiotic adversity-related conditions. The SlFWL gene structures and motif compositions are conserved, indicating that tomato SlFWL genes may have similar roles. Cis-acting element analysis revealed that the SlFWL genes may participate in light and abiotic stress responses, and they also interacted with a variety of phytohormone-responsive proteins and plant development elements. Phylogenetic analyses were performed on five additional plant species, including Arabidopsis, pepper, soybean, rice and maize, these genes were classified into five subfamilies. Based on the results of collinearity analyses, the SlFWL genes have a tighter homologous evolutionary relationship with soybean, and these orthologous FWL gene pairs might have the common ancestor. Expression profiling of SlFWL genes show that they were all responsive to abiotic stresses, each subgroup of genes exhibited a different expression trend. Our findings provide a strong foundation for investigating the function and abiotic stress responses of the SlFWL family genes.

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