Gene technology improves rapeseed oil content

Chen Jinqing, a researcher at the Zhejiang Academy of Agricultural Sciences, for the first time proposed the use of antisense PEP gene to increase the oil content of rape seed from the perspective of photosynthetic product distribution. According to this, the antisense PEP super oil rape new strain developed has the highest oil content. Up to 52.82%, after investigation, it is the highest oil-bearing rape in the world. On December 29 last year, this study passed the technical appraisal organized by Zhejiang Science and Technology Department. According to domestic and foreign data, the oil content of B. napus is generally about 40%. The use of genetic engineering to improve the quality of oil crops and increase oil content is currently a hot topic in plant genetic engineering research in the world. Since 1995, the research group of Zhejiang Academy of Agricultural Sciences, led by Chen Jinqing, has constructed the anti-sense PEP gene. Using Agrobacterium-mediated methods, the antisense PEP gene was introduced into the rapeseed genome, and batches of antisense PEP genes were successively obtained. Rape plants. The bred “Super Oil No.1” oil content reached 47.4%, the ultra-high oil “Super Oil No.2” contained 52.82% oil, and the oil content was more than 25% higher than that of the recipient variety, thus breaking the rapeseed content in the Yangtze River basin in China. The situation of 37-43% of long-term embarrassment has achieved a breakthrough in the oil content of rapeseed seeds in China, and has created a new way for rapeseed high-yield breeding. With the approval of the Ministry of Agriculture, the research group led by Chen Jinqing has completed the intermediate test of antisense PEP gene super oil rape and is undergoing an environmental release test. According to reports, this scientific research achievement has obtained a technology transfer fee of 3 million yuan in Zhejiang Province and has established an agricultural high-tech enterprise, laying the foundation for the industrialization of the results.

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