A genome-wide approach to the comprehensive analysis of the serine carboxypeptidase-like protein family in Solanum lysopersicum L.

文献类型： 外文期刊

第一作者： Jamil, Arshad

作者： Jamil, Arshad;Habib, M. A.;Ibrahim, Ahmed B. M.;Ahmad, Bushra;Ahmad, Muhammad Zulfiqar;Nasir, Jamal Abdul

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关键词： Serine carboxypeptidases-like protein; Genome-wide analysis; Drought stress; Heat stress; Tomato

期刊名称：GENETIC RESOURCES AND CROP EVOLUTION

ISSN： 0925-9864

年卷期： 2025 年

页码：

收录情况： SCI

摘要： The serine carboxypeptidase-like protein (SCPL) family is thought to play roles in pathogen defense, stress response, hormonal signaling, and plant development, as suggested by research in other species. However, in case of tomato (Solanum lycopersicum) the identification of genes of SCPL family and the analysis of their functions has not been performed. This comprehensive analysis of SCPL gene family in tomato was performed via various bioinformatics tools and methods including phylogenetic, gene structure, exon intron, conserved motif, evolutionary, expression, gene ontology & protein-protein interaction analysis. In the current study, 53 members of the SCPL gene family have been identified in tomato. The members of SCPL gene family were further divided into three subgroups; i.e., CPI, CPII and CPIII on the basis of structural features. In tomato the 53 SlSCPL genes were located on 11 chromosomes and were widely distributed in the cells. Duplication analysis of the genes revealed that similar to 64.7% were formed by tandem duplication and similar to 35.3% of the members of SCPL were the result of segmental duplication. The duplicated gene pairs of SlSCPL depicted a range of Ka/Ks ratios between 0.61 and 1.86 suggesting the action of both positive and purifying selection. Synteny analysis showed that the SCPL gene expression is significantly influenced by tendom and segmental duplication. The structural analysis of genes showed the existence of multiple introns on most of the SlSCPL genes and relatively conserved motifs in each subfamily. Expression profiling revealed that several SlSCPL genes are differentially regulated under drought and heat stress, suggesting potential roles in abiotic stress responses. In this study the cis-acting elements analysis revealed that the SCPL genes' promoter sequence are useful in response to light, MeJA, ABA responsive elements and plant growth responsiveness. Obtained results from this study provide comprehensive investigation of tomato SCPL genes potentially beneficial for future research regarding improvement of heat and drought tolerance.

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