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| DOI | 10.1186/s12864-024-10393-0 |
| Exploring the gene expression network involved in the heat stress response of a thermotolerant tomato genotype | |
| 发表日期 | 2024 |
| ISSN | 1471-2164 |
| 起始页码 | 25 |
| 结束页码 | 1 |
| 卷号 | 25期号:1 |
| 英文摘要 | Background The increase in temperatures due to the current climate change dramatically affects crop cultivation, resulting in yield losses and altered fruit quality. Tomato is one of the most extensively grown and consumed horticultural products, and although it can withstand a wide range of climatic conditions, heat stress can affect plant growth and development specially on the reproductive stage, severely influencing the final yield. In the present work, the heat stress response mechanisms of one thermotolerant genotype (E42) were investigated by exploring its regulatory gene network. This was achieved through a promoter analysis based on the identification of the heat stress elements (HSEs) mapping in the promoters, combined with a gene co-expression network analysis aimed at identifying interactions among heat-related genes. Results Results highlighted 82 genes presenting HSEs in the promoter and belonging to one of the 52 gene networks obtained by the GCN analysis; 61 of these also interact with heat shock factors (Hsfs). Finally, a list of 13 candidate genes including two Hsfs, nine heat shock proteins (Hsps) and two GDSL esterase/lipase (GELPs) were retrieved by focusing on those E42 genes exhibiting HSEs in the promoters, interacting with Hsfs and showing variants, compared to Heinz reference genome, with HIGH and/or MODERATE impact on the translated protein. Among these, the Gene Ontology annotation analysis evidenced that only LeHsp100 (Solyc02g088610) belongs to a network specifically involved in the response to heat stress. Conclusions As a whole, the combination of bioinformatic analyses carried out on genomic and trascriptomic data available for tomato, together with polymorphisms detected in HS-related genes of the thermotolerant E42 allowed to determine a subset of candidate genes involved in the HS response in tomato. This study provides a novel approach in the investigation of abiotic stress response mechanisms and further studies will be conducted to validate the role of the highlighted genes. |
| 英文关键词 | Solanum lycopersicum; High temperatures; Abiotic stress; Candidate genes; Heat shock proteins; Heat shock factors; GDSL esterase/lipase; Gene co-expression network |
| 语种 | 英语 |
| WOS研究方向 | Biotechnology & Applied Microbiology ; Genetics & Heredity |
| WOS类目 | Biotechnology & Applied Microbiology ; Genetics & Heredity |
| WOS记录号 | WOS:001230265200003 |
| 来源期刊 | BMC GENOMICS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/304268 |
| 作者单位 | University of Naples Federico II |
| 推荐引用方式 GB/T 7714 | . Exploring the gene expression network involved in the heat stress response of a thermotolerant tomato genotype[J],2024,25(1). |
| APA | (2024).Exploring the gene expression network involved in the heat stress response of a thermotolerant tomato genotype.BMC GENOMICS,25(1). |
| MLA | "Exploring the gene expression network involved in the heat stress response of a thermotolerant tomato genotype".BMC GENOMICS 25.1(2024). |
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