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Related Experiment Video

Updated: Jun 20, 2026

Development of Targeting Induced Local Lesions IN Genomes (TILLING) Populations in Small Grain Crops by Ethyl Methanesulfonate Mutagenesis

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Published on: July 16, 2019

[Molecular identification on Waxy genes in wheat using multiple-PCR].

Long-Dou Lu¹, Cai-Ling Hou, Long Chen

¹College of Life Science, Henan Normal University, Xinxiang 453007, China. lld5910@yahoo.com

Yi Chuan = Hereditas

|August 20, 2009

Summary

A new multiple-PCR method efficiently identifies three Wx genes in wheat simultaneously. This cost-effective technique aids in evaluating wheat quality and advancing marker-assisted selection for waxy wheat breeding programs.

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Area of Science:

Agricultural Science
Molecular Biology
Genetics

Background:

The Wx genes (Wx-A1, Wx-B1, Wx-D1) are crucial for determining starch characteristics and overall quality in wheat.
Accurate and efficient identification of these genes is essential for wheat breeding programs aiming to improve grain quality.

Purpose of the Study:

To develop a stable and simultaneous multiple-polymerase chain reaction (PCR) system for identifying the three Wx genes in wheat.
To establish a cost-effective and repeatable method for evaluating wheat quality traits.

Main Methods:

Utilized multiple-PCR with two primer pairs to amplify specific target sequences of the Wx-A1, Wx-B1, and Wx-D1 genes.
Optimized reaction conditions for simultaneous detection of all three genes in a single PCR assay.

Main Results:

Successfully amplified Wx-A1 (230 bp/265 bp), Wx-B1 (854 bp), and Wx-D1 (204 bp) genes in a single reaction.
Demonstrated the repeatability and low cost of the developed multiple-PCR method.
Confirmed the simultaneous detection capability of the Wx genes.

Conclusions:

The developed multiple-PCR technique provides an efficient tool for identifying Wx genes in wheat.
This method can be effectively integrated into marker-assisted selection for improving waxy wheat breeding.
The technique offers a reliable approach for evaluating wheat quality properties in breeding programs.