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玉米磷酸烯醇式丙酮酸羧化酶基因的研究进展

Research Progress on Phosphoenolpy Ruvatecarboxylase(PEPCase) of Maize
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摘要 高等植物按照CO2不同的同化途径,分为C3、C4和CAM植物。由于C4植物具有高光效基因,使其在高温、高光照、高氧分压条件下具有比C3植物更高的光合作用效率。目前,很多学者致力于研究玉米中的高光效基因-磷酸烯醇式丙酮酸羧化酶基因(PEPC),并试图将此基因转入到C3植物中,使C3植物的光合特性得到一定改善,进而使其产量提高。本文综述将C4高光效基因转入到C3植物后,C3植物的生理生化变化和对其光合作用的影响,对向C3植物中导入pepc基因能否提高其光合作用效率和产量的潜在可能性进行探讨。 Plants could be classified into three types such as C3, C4 and CAM plant according to the CO2 assimi-lation mechanisms. C4 plant acquired a series of high performance photosynthetic genes, which confers to more effi-cient photosynthesis than C3 plant under adverse conditions such as high photo-intensity, temperature and oxygen partial pressure. Many scholars devoted themselves to research the Phosphoenolpy Ruvatecarboxylase(PEPCase) of maize, and try to introduce C4 high performance genes into C3 plant, in order to improve the photosynthetic character-istics to some degree and make a high production. The possibility of whether the physiological characteristic of C 3 transgenic plant with C4 genes can increase the photosynthesis rate and yield was studied in this paper.
作者 赵茜 周岩
出处 《玉米科学》 CAS CSCD 北大核心 2013年第6期91-94,共4页 Journal of Maize Sciences
关键词 磷酸烯醇式丙酮酸羧化酶基因 高光效 光合作用 Phosphoenolpy Ruvatecarboxylase High photosynthetic efficiency Photosynthesis
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