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The transgenic cotton industry needs patented escort
In 2006, the area of ​​genetically modified cotton will account for more than half of the global cotton fields. With the expansion of the market, patent litigation has also emerged in large numbers. For example, a number of U.S. companies’ genetically modified cotton products have been filed with the U.S. Patent Court. Among them, the world’s seed giant Monsanto’s two transgenic cottons have been accused of patent infringement. In China, the planting area of ​​genetically modified cotton has already exceeded half of the country's cotton fields. The planting area of ​​American varieties is as high as 70%. The rest are mainly domestic varieties. However, there are also a lot of American varieties that farmers illegally keep. As the world’s largest cotton producing country, China’s patent disputes on genetically modified cotton are also numerous, and some disputes have already reached the court. At present, some patent owners have begun to try to increase the intellectual property rights clauses such as prohibiting farmers from planting seed, not exempting non-intentional infringement, allowing licensees to automatically expand, and allowing rights holders to freely investigate infringing acts in order to prevent downstream seed companies and farms. The main and ordinary cotton farmers infringe on patents. Judging from the current trends, patent litigation in China's GM cotton industry will continue to increase. Therefore, it is hoped that high-tech breeding companies based in this industry will use patents to protect their escort. The patent literature on genetically modified cotton in China is mainly distributed in the following areas: Insect resistance technology. For example, CN200410037505.1 protects transgenic Bt cotton and its application. CN95119563.8 protects an expression vector carrying a pesticidal protein fusion gene and a transgenic plant thereof. No. CN98120233.0 Document Protection and Synthesis of Encoded Snowdrop Lectins Anti-Homoptera Pest Genes and Their Applications. The CN02129222.1 document protects the fusion insecticidal protein genes having two insecticidal mechanisms and their applications. CN00109089.5 protects a genetically modified DNA sequence coding for a snowdrop lectin and an anti-terpene transgenic plant. CN200380102137.8 No. Literature Protection and Control of Broad-spectrum Lepidopteran Insect COT102 Insecticidal Cotton. Anti-aging technology. For example, document CN01131087.1 protects anti-aging transgenic cotton. CN98808770.7 protects transgenic techniques that delay the aging of plants and enhance stress tolerance. CN01814288.5 No. Literature protects a DNA encoding a plant lipase, a transgenic plant, and a method of controlling plant senescence. The CN01102128.4 document relates to an application method for encoding a membrane protein gene that controls the growth and development of plants, and a method for human intervention and control of cell senescence. The CN03824709.7 document relates to a nucleic acid encoding a plant farnesyltransferase, and transgenic plants and seeds containing the nucleic acid and protein. It can be used to cultivate seeds that are anti-aging and resistant to harsh environments. Disease resistance technology. For example, the document CN 99100394.2 protects disease-fighting crops in which two antifungal genes are co-expressed intracellularly or extracellularly. CN20041003768 8.7 No. literature protects cotton Verticillium wilt and Fusarium wilt resistance expression vectors. CN01111595.5 literature protects a method of breeding a transgenic three-line hybrid cotton. It is the introduction of the heterologous glutathione-S-transferase gene into a restorer line to be improved, and a transgenic restorer line capable of restoring the fertility of the cytoplasmic male sterile line is developed; and the disease resistance and insect genes are transferred. In the sterile line, a cytoplasmic male sterile line resistant to Fusarium wilt, cotton bollworm, and pink bollworm is developed; the resistance, sterility male sterile lines, and transgenic restorer lines are tested for cross-breeding and screening. Hybrid F1 with strong advantages in quality and resistance. The document CN200310101750.X relates to a nucleotide sequence encoding a defense reaction gene of sea island cotton, a plant expression vector containing the sequence, and a plant cell. Herbicide-resistant technology. For example, the document CN02817381.3 relates to a herbicide-resistant cotton plant, and its production and identification methods. It embeds genes encoding herbicide-resistant proteins at specific locations in the cotton genome. The document CN99810969.X relates to a herbicidal composition for a tolerant or resistant cotton plant. It is suitable for controlling resistant or resistant mutants or harmful plants in transgenic cotton plants. Production technology. For example, the document CN01138378.X relates to a method for rapidly obtaining and screening cotton transgenic plants. The CN99816454.2 document relates to a method for producing transgenic cotton. The CN00807727.4 document relates to an improved method of producing transgenic cotton by culturing cotton embryogenic callus and Agrobacterium cells with a plant phenolic compound containing operably linked to at least one T-DNA border The target DNA fragment. Technology to increase production and quality. For example, the document CN01142164.9 relates to a cotton fiber reversible glycosylation protease gene and its encoded protein. It makes it possible to regulate the accumulation of polysaccharides in cotton fibers through genetic engineering methods, and lays the foundation for breeding high-yield and high-quality transgenic cotton. The document CN00815562.3 relates to a method for controlling cellulose synthesis in plants so as to optimize the yield and quality of the plant product. It discloses a genetically modified cotton and its breeding method. The cotton fiber and seed yield of this crop is higher, and the cotton fiber quality is also higher. Identification, detection technology. For example, the document CN00128174.7 relates to a transgenic cotton field identification agent and application method thereof. The CN200410016060.9 document relates to an internal standard gene suitable for detecting foreign genes such as transgenic cotton and its application. It is suitable for internal standard genes and their applications in transgenic cotton, tomato, rice, rape, foreign gene characterization, quantitative PCR detection and copy number analysis. The CN97106143.2 document relates to a method for detecting insect resistance of transgenic cotton. The document CN01113764.9 relates to a method for identifying the purity of transgenic cotton (including hybrid cotton) seeds. The CN200510046407.9 document relates to a primer sequence and a kit for real-time PCR detection of transgenic cotton (seed).