Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31330068 |
| 干旱条件下苹果高水分利用效率的分子机制及其遗传分析 | |
| 马锋旺 | |
| 主持机构 | 西北农林科技大学 |
| 开始日期 | 2014 |
| 结束日期 | 2018 |
| 资助经费 | 2970000(CNY) |
| 项目类别 | 重点项目 |
| 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 | It is necessary for sustainable apple production in arid regions to understand the mechanism for maintaining high water use efficiency (WUE) in apple plants under drought condition, and to discovery related genes and germplasm to use to improve apple plants. In this project, to understand the biological mechanism that 'Qinguan' apple has higher WUE than other cultivars under drought conditions, we will use RNA-seq technology to systematically investigate and compare the molecular regulation network for the photosynthetic system, photoelectron electronic transmission system, stomatal regulation characteristics, leaf structure, carbon metabolism and other aspects, and then select key genes will be transformed into tobacco to confirm their function in WUE and resisting drought stress. The key genes selected above will be transferred into apple to get new resources. In addition, we will construct the genetic mapping of hybrid offsprings from 'Qin Guan' and 'Honeycrisp' apple using genotyping-by sequencing makers, evaluate WUE and drought resistance in this group, and then analyze genetic characteristic of related traits to get key OTL on controlling WUE in apple. The aim of this study is to verify the molecular mechanism for maintaining higher WUE apple under drought condition and discovery related genes, to know WUE genetic characteristics in apple and its associated QTL, to create and select new apple germplasm resources with high WUE under drought. It will provide the basic theory and method of WUE breeding and improvement of crops in China WUE high and apple sustainable development in dry regions. |
| 中文关键词 | 苹果 ; 水分利用效率 ; 干旱 ; 基因发掘 ; 种质利用 |
| 来源机构 | 西北农林科技大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/347418 |
| 推荐引用方式 GB/T 7714 | 马锋旺.干旱条件下苹果高水分利用效率的分子机制及其遗传分析.2014. |
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