Resistant to light and high temperature transgenic plants

British scientists have recently cultivated a genetically modified plant that is more resistant to light and heat than ordinary plants. This method helps to cultivate crops that can withstand harsh conditions. Scientists at the University of Sheffield in the United Kingdom published a paper in the latest issue of Nature magazine. They said that they did not add foreign genes from other species to plants during the cultivation process, but only added genes that they originally had to the plants. . When the sun is too strong, the plant over-produces a substance called "active oxygen," which produces yellow spots on the leaves of the plants and eventually curls up to death. Plants have evolved a variety of ways to deal with the "reactive oxygen" excess, one of which is the production of lutein to destroy "active oxygen" and safely evacuate excess sunlight. Based on this, the scientists took the model plant Arabidopsis thaliana as the research object and selected one of the genes important for the lutein synthesis process, adding a copy of this gene to the plant and increasing the production of lutein. This transgenic Arabidopsis grows for two weeks in an environment where the temperature is 40 degrees Celsius and the light intensity is equivalent to more than half of the noon light intensity in the equatorial region.

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