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Journal of Zhejiang University SCIENCE B 2009 Vol.10 No.11 P.839-846


Genetic mapping of quantitative trait loci associated with β-amylase and limit dextrinase activities and β-glucan and protein fraction contents in barley

Author(s):  Kang WEI, Da-wei XUE, You-zong HUANG, Xiao-li JIN, Fei-bo WU, Guo-ping ZHANG

Affiliation(s):  Department of Agronomy, Zhejiang University, Hangzhou 310029, China; more

Corresponding email(s):   zhanggp@zju.edu.cn

Key Words:  Barley (Hordeum vulgare L.), Quantitative trait locus, &beta, -amylase, Limit dextrinase, &beta, -glucan, Protein fraction

Kang WEI, Da-wei XUE, You-zong HUANG, Xiao-li JIN, Fei-bo WU, Guo-ping ZHANG. Genetic mapping of quantitative trait loci associated with β-amylase and limit dextrinase activities and β-glucan and protein fraction contents in barley[J]. Journal of Zhejiang University Science B, 2009, 10(11): 839-846.

@article{title="Genetic mapping of quantitative trait loci associated with β-amylase and limit dextrinase activities and β-glucan and protein fraction contents in barley",
author="Kang WEI, Da-wei XUE, You-zong HUANG, Xiao-li JIN, Fei-bo WU, Guo-ping ZHANG",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Genetic mapping of quantitative trait loci associated with β-amylase and limit dextrinase activities and β-glucan and protein fraction contents in barley
%A Kang WEI
%A Da-wei XUE
%A You-zong HUANG
%A Xiao-li JIN
%A Fei-bo WU
%A Guo-ping ZHANG
%J Journal of Zhejiang University SCIENCE B
%V 10
%N 11
%P 839-846
%@ 1673-1581
%D 2009
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B0920135

T1 - Genetic mapping of quantitative trait loci associated with β-amylase and limit dextrinase activities and β-glucan and protein fraction contents in barley
A1 - Kang WEI
A1 - Da-wei XUE
A1 - You-zong HUANG
A1 - Xiao-li JIN
A1 - Fei-bo WU
A1 - Guo-ping ZHANG
J0 - Journal of Zhejiang University Science B
VL - 10
IS - 11
SP - 839
EP - 846
%@ 1673-1581
Y1 - 2009
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B0920135

High malting quality of barley (Hordeum vulgare L.) relies on many traits, such as &beta%29&ck%5B%5D=abstract&ck%5B%5D=keyword'>&beta;-amylase and limit dextrinase activities and &beta%29&ck%5B%5D=abstract&ck%5B%5D=keyword'>&beta;-glucan and protein fraction contents. In this study, interval mapping was utilized to detect quantitative trait loci (QTLs) affecting these malting quality parameters using a doubled haploid (DH) population from a cross of CM72 (six-rowed) by Gairdner (two-rowed) barley cultivars. A total of nine QTLs for eight traits were mapped to chromosomes 3H, 4H, 5H, and 7H. Five of the nine QTLs mapped to chromosome 3H, indicating a possible role of loci on chromosome 3H on malting quality. The phenotypic variation accounted by individual QTL ranged from 8.08% to 30.25%. The loci of QTLs for &beta%29&ck%5B%5D=abstract&ck%5B%5D=keyword'>&beta;-glucan and limit dextrinase were identified on chromosomes 4H and 5H, respectively. QTL for hordeins was coincident with the region of silica eluate (SE) protein on 3HS, while QTLs for albumins, globulins, and total protein exhibited overlapping. One locus on chromosome 3H was found to be related to &beta%29&ck%5B%5D=abstract&ck%5B%5D=keyword'>&beta;-amylase, and two loci on chromosomes 5H and 7H were found to be associated with glutelins. The identification of these novel QTLs controlling malting quality may be useful for marker-assisted selection in improving barley malting quality.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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