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Development of transgenic tall fescue plants with enhanced tolerance to multiple abiotic stresses

机译:具有多种非生物胁迫耐受性的转基因高羊茅植物的开发

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Abiotic stress causes a significant decrease in growth and yield of forage crops.Molecular breeding such as genetic transformation has become a popular biotechnological tool for improving forage quality as well as improving tolerance to various abiotic stresses.In the plant cell, SOD and APX are the major antioxidant enzymes for ROS scavenging pathways, and nucleoside‐diphosphate kinase 2(NDPK2) and peroxyredoxin (Prx) are considered as multiple stress tolerant genes with a broad‐range of functions.In this study,we generated transgenic tall fescue plants expressing NDPK2,Prx or both the SOD and APX genes (Lee et al.2007), and investigated their performance to several abiotic stresses.
机译:非生物胁迫导致饲草作物的生长和产量显着下降。分子育种(例如遗传转化)已成为提高草料质量以及提高对各种非生物胁迫耐受性的流行生物技术工具。在植物细胞中,SOD和APX是最重要的。 ROS清除途径中的主要抗氧化酶,核苷二磷酸激酶2(NDPK2)和过氧氧化还原蛋白(Prx)被认为是具有多种功能的多重耐胁迫基因。在这项研究中,我们生成了表达NDPK2的转基因高羊茅植物, Prx或SOD和APX基因(Lee et al.2007),并研究了它们在几种非生物胁迫下的表现。

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