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    Home > Food News > Food Articles > Scientists precisely edit 4 wheat quality genes

    Scientists precisely edit 4 wheat quality genes

    • Last Update: 2021-07-31
    • Source: Internet
    • Author: User
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    Scientists precisely edit 4 wheat quality genes
    Scientists accurately edit 4 wheat quality genes Scientists accurately edit 4 wheat quality genes

    Recently, a wheat molecular breeding innovation team led by Li Genying, a researcher at the Institute of Crop Research, Shandong Academy of Agricultural Sciences, published a research paper in the Journal of Plant Biotechnology
    .
    The study selected 4 genes closely related to wheat processing quality (grain hardness gene pinb, starch quality gene waxy, flour pink color gene psy and dough browning gene ppo), and used the Agrobacterium-mediated CRISPR/Cas9 system to carry out them.


    Precise targeting, after multiple generations of homozygosity and identification, a new gene-edited germplasm containing no exogenous genetically modified components is obtained, which provides new genetic resources for wheat quality breeding


    Wheat provides a large amount of carbohydrates and protein for more than 60% of the world's population
    .
    With the continuous economic development, people have higher and higher requirements for the processing quality of flour products, and the demand for high-quality special wheat varieties is increasing


    .


    Cultivating breakthrough high-quality wheat varieties requires breakthrough genetic resources.


    Grain starch components have an important influence on the quality of wheat flour products, especially noodles
    .
    Waxy is a key enzyme in wheat endosperm amylose synthesis, which is encoded by Wx-A1, Wx-B1 and Wx-D1 located on chromosomes 7A, 4A and 7D, respectively


    .


    Polyphenol oxidase (PPO) activity and yellow pigment content (YPC) are two important parameters that determine the color of pasta products
    .
    Polyphenol oxidase easily causes browning of the dough and affects the appearance of pasta products


    .


    In summary, the study selected four grain quality-related genes related to wheat grain hardness, starch quality and dough color, including pinb, waxy, ppo and psy, and used the Agrobacterium-mediated CRISPR/Cas9 system to accurately target them.
    A new wheat germplasm with new excellent alleles was obtained
    .
    (Source: Wang Fang, China Science News)

    The study selected 4 grain quality-related genes related to wheat grain hardness, starch quality and dough color, including pinb, waxy, ppo and psy, and used the Agrobacterium-mediated CRISPR/Cas9 system to accurately target them.
    New wheat germplasm with new excellent alleles
    .
    (source:

    Related paper information: https://doi.


    org/10.


    https://doi.
    org/10.
    1111/pbi.
    13647
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