期刊
GENOME
卷 52, 期 9, 页码 741-747出版社
NATL RESEARCH COUNCIL CANADA-N R C RESEARCH PRESS
DOI: 10.1139/G09-042
关键词
cadmium; heavy metal; marker; doubled haploid; chromosomal location
资金
- Western Grains Research Foundation and Matching Investment Initiative of Agriculture and Agri-Food Canada
- Western Grains Research Foundation
Levels of the heavy metal cadmium (Cd) in food products are a food safety concern. Grain Cd is higher in durum (Triticum turgidum L. var. durum) than in common wheat, so reduction of Cd in durum grain is a priority of breeding programs. Previous research demonstrated that a single dominant gene, Cdu1, confers the low grain Cd phenotype. but the map location of the gene is not known. A doubled haploid Population segregating for Cd concentration, developed from the cross of W9262-260D3 (a Kyle*2/Biodur inbred selection with low Cd uptake) and Kofa (high Cd uptake) and mapped with microsatellite markers, was used to locate Cda1. Grain Cd concentration was determined by standard laboratory methods on field grain samples in 2000 and 2001 The Cd concentration segregated bimodally, allowing Cdu1 to be mapped qualitatively as well as quantitatively with quantitative trait locus analysis. The Cdu1 gene mapped to the long arm of chromosome 5B
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据