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| DOI | 10.1007/s11033-023-09049-1 |
| Comparison of the genetic basis of salt tolerance at germination, seedling, and reproductive stages in an introgression line population of rice | |
| 发表日期 | 2024 |
| ISSN | 0301-4851 |
| EISSN | 1573-4978 |
| 起始页码 | 51 |
| 结束页码 | 1 |
| 卷号 | 51期号:1 |
| 英文摘要 | BackgroundSalinity is a major limitation for rice farming due to climate change. Since salt stress adversely impact rice plants at germination, seedling, and reproductive stages resulting in poor crop establishment and reduced grain yield, enhancing salt tolerance at these vulnerable growth stages will enhance rice productivity in salinity prone areas.Methods and resultsAn introgression line (ILs) population from a cross between a high yielding cultivar 'Cheniere' and a salt tolerant donor 'TCCP' was evaluated to map quantitative trait loci (QTLs) for traits associated with salt tolerance at germination, seedling, and reproductive stages. Using a genotyping-by-sequencing based high density SNP linkage map, a total of 7, 16, and 30 QTLs were identified for five germination traits, seven seedling traits, and ten reproductive traits, respectively. There was overlapping of QTLs for some traits at different stages indicating the pleiotropic effects of these QTLs or clustering of linked genes. Candidate genes identified for salt tolerance were OsSDIR1 and SERF for the seedling stage, WRKY55 and OsUBC for the reproductive stage, and MYB family transcription factors for all three stages. Gene ontology analysis revealed significant GO terms related to nucleotide binding, protein binding, protein kinase activity, antiporter activity, active transmembrane transporter activity, calcium-binding protein, and F- box protein interaction domain containing protein.ConclusionsThe colocalized QTLs for traits at different growth stages would be helpful to improve multiple traits simultaneously using marker-assisted selection. The salt tolerant ILs have the potential to be released as varieties or as pre-breeding lines for developing salt tolerant rice varieties. |
| 英文关键词 | Germination stage; Flowering stage; Oryza sativa; Quantitative trait loci; Genotyping-by-sequencing; Seedling stage |
| 语种 | 英语 |
| WOS研究方向 | Biochemistry & Molecular Biology |
| WOS类目 | Biochemistry & Molecular Biology |
| WOS记录号 | WOS:001155159000016 |
| 来源期刊 | MOLECULAR BIOLOGY REPORTS
 |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/299726 |
| 作者单位 | Louisiana State University System; Louisiana State University |
| 推荐引用方式 GB/T 7714 | . Comparison of the genetic basis of salt tolerance at germination, seedling, and reproductive stages in an introgression line population of rice[J],2024,51(1). |
| APA | (2024).Comparison of the genetic basis of salt tolerance at germination, seedling, and reproductive stages in an introgression line population of rice.MOLECULAR BIOLOGY REPORTS,51(1). |
| MLA | "Comparison of the genetic basis of salt tolerance at germination, seedling, and reproductive stages in an introgression line population of rice".MOLECULAR BIOLOGY REPORTS 51.1(2024). |
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