Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31370669 |
| 胡杨再生能力的QTL定位和转录组测序分析 | |
| 郭允倩 | |
| 主持机构 | 北京林业大学 |
| 开始日期 | 2014 |
| 结束日期 | 2017 |
| 资助经费 | 760000(CNY) |
| 项目类别 | 面上项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | Populus euphratica Oliv.is distributed mainly in semiarid areas of Northwest China. It is well known as the hero tree because of its high tolerance to coldness, drought, salinity and alkalinity as well as its function as a sand stabilizer. However, the propagation of P. euphratica is difficult by cuttings and the traits of offspring are segregating heavily with seed production. Therefore, the imporvement of regeneration and in vitro culture has become crucial for the selection of highly adaptive clones for P. euphratica. The goal of this project is to demonstrate the genetic mechanisms of the regeneration of P. euphratica. The study material is a set of open-pollinated progeny selected from the natural population of P. euphratica in which in vitro shoot regeneration system is established and measured. We will use a joint linkage and linkage disequilibrium analysis, with greater power for QTL mapping than linkage or linkage disequilibrium analysis alone, to map specififc QTLs that control regeneration rate, shoot number, and propagation coefficient and study the pattern of actions and interactions by these QTLs. By measuring gene expression profiles at different stages of regeneration, we will also characterize key genes related to regeneration capacity and reconstruct regulatory networks using these gene profiles. Through this project, we will gain new insight into the genetic and molecular mechanisms of the regeneration of P. euphratica, an extremely important species in environmental protection. |
| 中文关键词 | 胡杨 ; 再生 ; 数量性状基因座 ; 转录组 ; 连锁和连锁不平衡联合分析 |
| 来源机构 | 北京林业大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/345628 |
| 推荐引用方式 GB/T 7714 | 郭允倩.胡杨再生能力的QTL定位和转录组测序分析.2014. |
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