Molecular Breeding

, Volume 28, Issue 1, pp 117–126

Molecular markers for tracking variation in lipoxygenase activity in wheat breeding



Lipoxygenase (LOX) activity is an important factor determining the color of flour and end-use products of wheat. In the present study, quantitative trait loci (QTL) for LOX activity in common wheat were mapped using 71 doubled haploid (DH) lines derived from a Zhongyou 9507 × CA9632 cross, and SSR markers. Two QTL, QLpx.caas.1AL and QLpx.caas-4B, were identified on chromosomes 1AL and 4B, closely associated with LOX activity. The SSR loci Xwmc312 and Xgwm251 proved to be diagnostic and explained 13.4–25.2% of the phenotypic variance for the 1AL locus and 14.3–27.0% for the 4B locus across four environments. The SSR markers Xgwm251 and Xwmc312 were validated across 198 Chinese wheat cultivars and advanced lines and showed highly significant (P < 0.01) association with LOX activity. We further established a multiplexed PCR with SSR marker combination Xwmc312/Xgwm251 to test these wheat cultivars and advanced lines. The results suggested that the marker combination Xwmc312/Xgwm251 is efficient and reliable for evaluating LOX activity and can be used in marker-assisted selection (MAS) for targeting flour color attributes to noodle and other wheat-based products.


Triticum aestivum L. Lipoxygenase activity Molecular marker QTL Multiplex PCR 

Supplementary material

11032_2010_9466_MOESM1_ESM.doc (262 kb)
(DOC 262 kb)

Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  1. 1.College of AgronomyXingjiang Agricultural UniversityUrumqiChina
  2. 2.Institute of Crop Science, National Wheat Improvement Center/The National Key Facility for Crop Gene Resources and Genetic ImprovementChinese Academy of Agricultural Sciences (CAAS)BeijingChina
  3. 3.International Maize and Wheat Improvement Center (CIMMYT) China OfficeBeijingChina
  4. 4.Beijing Engineering and Technique Research Center of Hybrid WheatBeijing Academy of Agricultural and Forestry SciencesBeijingChina
  5. 5.Centre for Comparative GenomicsMurdoch UniversityPerthAustralia

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