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Plant disease resistance research usually emphasizes a single gene in a species and hopes to rely on a single gene to defeat a series of pathogens. However, for field crops, once pests find a way to "beat" plants, disease resistance often collapses. So Kipfi ’s research team focused on an immunoreceptor gene called pattern recognition receptor (PRR). Scientists discovered these receptors as early as 15 years ago and knew that they could detect quite a lot of proteins necessary for bacteria, but because the gene does not exist in crops such as potatoes and tomatoes, scientists have been unable to determine this Whether this kind of defense technology is applicable to all plants. To this end, the researchers implanted a pattern recognition receptor for wild cabbage plants into tomatoes and other plants, and found that this method "substantially increased" the plant's resistance to many bacteria, including bacterial wilt.
Kipfer said that disease resistance is strengthened because disease resistance comes from different plants, and pathogens have no opportunity to adapt. Through genetic engineering methods, scientists can "pass" this disease resistance between different plants, while traditional breeding The method cannot do this. Bacteria cause a lot of crop losses every year. Farmers usually use chemical fertilizers to deal with it. This method is not only expensive, but it may also destroy soil ecological diversity. If this research result is widely promoted, it will help to reduce crop pests and avoid environmental, health and economic losses caused by the use of pesticides.
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