首页> 外国专利> TRANSGENIC SOYBEAN AND RICE PLANTS WITH ENHANCED GROWTH CHARACTERISTICS

TRANSGENIC SOYBEAN AND RICE PLANTS WITH ENHANCED GROWTH CHARACTERISTICS

机译:具有增强生长特性的转基因大豆和水稻

摘要

The invention relates to transgenic soybean and rice plants exhibiting dramatically enhanced growth rates, greater seed yields, earlier, more efficient nitrogen utilization, increased tolerance to high salt conditions, and increased biomass yields. The transgenic plants of the invention are engineered to over-express either glutamine phenylpyruvate transaminase (GPT) or both glutamine phenylpyruvate transaminase and glutamine synthetase (GS). Purified nucleotides encoding soybean and rice GPT proteins are provided. The GPT and GPT+GS transgenic plants of the invention consistently exhibit enhanced growth characteristics, with TO generation lines showing an increase in biomass over wild type counterparts of between 50% and 300%. Generations that result from sexual crosses and/or selfing typically perform even better, with some of the double-transgenic plants achieving an astounding four-fold biomass increase over wild type plants.
机译:本发明涉及表现出显着提高的生长速率,更高的种子产量,更早,更有效的氮利用,对高盐条件的耐受性提高以及生物量产量提高的转基因大豆和水稻植物。将本发明的转基因植物工程化以过表达谷氨酰胺苯丙酮酸转氨酶(GPT)或谷氨酰胺苯丙酮酸转氨酶和谷氨酰胺合成酶(GS)。提供了编码大豆和水稻GPT蛋白的纯化核苷酸。本发明的GPT和GPT + GS转基因植物始终表现出增强的生长特性,其中TO代系显示出与野生型对应物相比生物量增加了50%至300%。由性杂交和/或自交引起的世代通常表现得更好,其中一些双转基因植物的生物量比野生型植物高出惊人的四倍。

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