Research into the growth and development of the Norway Spruce reveals important roles of reactive oxygen species biogenic enzymes (IMAGE)
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Reactive oxygen species (ROS) are highly reactive compounds that are generally considered toxic when produced in vivo, but plants have the enzyme RBOH, which actively produces ROS, and utilize ROS in a variety of situations. Therefore, the activity of RBOH must be strictly controlled. Picea abies (Norway Spruce) is a coniferous tree of the Pinaceae family, famously used as Christmas tree. In this study, a multinational team of researchers found that PaRBOH1 synergistically activates RBOH by binding Ca2+ (calcium ion) and phosphorylation (P in the figure) for the first time in gymnosperms and elucidated the activation mechanism. This also suggests the potential role of PaRBOH1 in the formation of cell wall lignin.
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Dr. Kenji Hashimoto and Prof. Kazuyuki Kuchitsu
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