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    Home > Biochemistry News > Plant Extracts News > Cytokinin Sensing Systems Using Microorganisms

    Cytokinin Sensing Systems Using Microorganisms

    • Last Update: 2021-01-20
    • Source: Internet
    • Author: User
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    The cytokinin class of plant hormones is perceived by transmembrane His-kinases (His-kinases) of the two-component system, otherwise known as the His-Asp phosphorelay system. When cytokinin receptors perceive cytokinins, they are autophosphorylated at a conserved His residue. The phosphoryl group is then transferred to downstream components of the His-Asp phosphorelay system. When the gene for a cytokinin receptor is introduced into yeast or
    Escherichia coli
    , the corresponding receptor feeds the phosphoryl group to the phosphorelay system of the host, in a cytokinin-dependent manner. Therefore, these microorganisms can be used as convenient cytokinin sensors, and can also be used to understand the properties of cytokinin-receptors. Furthermore, they may be used to screen for cytokinin agonists and antagonists, which would potentially be useful to regulate the growth of crops.
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