Characterization and comparison of three transgenic Artemisia annua varieties and wild-type variety in environmental release trial

文献类型： 外文期刊

第一作者： Jiang, Lingxi

作者： Jiang, Lingxi;Liu, Hua;Wang, Jinbin;Tan, Furong;Zhao, Kai;Wu, Xiao;Zhu, Hong;Tang, Xueming;Jiang, Lingxi;Liu, Hua;Wang, Jinbin;Tan, Furong;Zhao, Kai;Wu, Xiao;Zhu, Hong;Tang, Xueming;Tang, Xueming;Tang, Kexuan

作者机构：

关键词： Transgenic Artemisia annua;agronomic traits;viability;expressed materials;stress tolerances

期刊名称：JOURNAL OF MEDICINAL PLANTS RESEARCH （ 影响因子：0.879； 五年影响因子：0.877 ）

ISSN： 1996-0875

年卷期： 2010 年 4 卷 24 期

页码：

收录情况： SCI

摘要： Artemisinin, a sesquiterpene isolated from Artemsisia annua L. (Chinese wormwood) is an increasingly popular drug against malaria. In this study, three transgenic A. annua varieties with increased artemisinin content were evaluated in an environmental release trial. First, because there were risks concerning genetically modified plants, the 3 transgenic varieties were compared with that of wild-type plants in regard to agronomic traits, viability and expressed material. Second, stress tolerances (salt, drought and herbicide) were evaluated under experimental conditions. The results indicated significant differences between the 3 transgenic and wild-type plants in some agronomic traits (as in plant height, crown width, stem diameter, 1000-seeds weight), and no significant differences in leaf shape. Also, the viability (germination rate, transplant survival and seeds wintering ability) from both transgenic and control plants were similar. Moreover, it also was determined that the 3 transgenic and control plants had similar stress tolerances (salt tolerance, drought tolerance, herbicide tolerance). The expression of target genes in transgenic varieties was either enhanced or suppressed. Thus, the artemisinin content was increased in transgenic varieties as expected.

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