水稻子粒锰、铁、锌、铜含量的QTL定位分析
QTL Mapping for Mn、Fe、Zn and Cu Contents in Rice Grains
黄莹莹 1邹德堂 1王敬国 1刘化龙 1兴旺 1马婧 1武琦1
作者信息
- 1. 东北农业大学农学院水稻研究所,150030,黑龙江哈尔滨
- 折叠
摘要
利用粳型红香黏品种红香1号与早熟长粒优质粳稻品系松98-131杂交后代F2∶3家系群140个株系,探讨了水稻子粒锰(Mn)、铁(Fe)、锌(Zn)和铜(Cu)含量的遗传变异和相关关系;并对子粒Mn、Fe、Zn和Cu含量进行了QTL定位分析.结果表明,子粒Mn、Fe、Zn、Cu 4种矿质元素含量均呈现接近正态的连续分布;除Mn与Fe含量相关不显著外,其他元素间含量都呈显著或极显著正相关.构建了含78个SSR标记的遗传连锁图谱,共检测到与水稻子粒Mn、Fe、Zn、Cu 4种矿质元素含量相关的11个QTL,分别位于第2、3、4、5、7、9和12染色体上.其中与Mn含量相关的QTL2个;与Fe含量相关的QTL 2个;与Zn含量相关的QTL 4个;与Cu含量相关的QTL 3个.
Abstract
In this study, 140 individuals and lines of an F2:3 population which derived from a cross of two japonica rice cultivars HongXiangl and Song 98-131 ,were used. We analyzed the genetic variation and correlation of Mn、 Fe、Zn and Cu contents in rice grains,and conducted the QTL analysis for Mn、Fe、Zn and Cu contents-related genes. The results showed that Mn、Fe、Zn and Cu contents in rice grains followed normal distribution in F2:3 population, there were significant positive correlations among them with the exception of Fe and Mn content. A genetic linkage map,consisting of 78 SSR markers,was constructed. Eleven QTLs involving Mn、Fe、Zn、Cu mineral element contents in rice grain were identified. Among them,two QTLs were related to Mn content;two QTLs to Fe content; four QTLs to Zn content,three QTLs to Cu content.
关键词
水稻/矿质元素含量/相关性/QTL定位Key words
Rice/Mineral element content/Correlation/QTL mapping引用本文复制引用
基金项目
十二五农村领域国家科技计划项目(2011BAD35B02-01)
国家科技支撑项目(2011BAD16B11)
出版年
2012
国家科技期刊平台
NSTL
维普
万方数据