首页> 外文会议>CBCME 2011;International Conference on Biotechnology, Chemical and Materials Engineering >Over-expression of a NAD-Malic Enzyme Gene from Rice in Arabidopsis thaliana Confers Tolerances to Several Abiotic Stresses
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Over-expression of a NAD-Malic Enzyme Gene from Rice in Arabidopsis thaliana Confers Tolerances to Several Abiotic Stresses

机译:拟南芥中稻米的NAD-苹果酶基因的过度表达将耐受性对几种非生物胁迫赋予耐受性

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In order to investigate the role of a rice NAD-malic enzyme gene (OsNAD-ME1) under different abiotic stresses, OsNAD-ME1 was constructed into plant expression vector and transformed into Agrobacterium for infecting Arabidopsis thaliana. There were higher transcriptional levels of OsNAD-ME1 in homozygous transgenic lines compared with WT plants as well as higher NAD-ME activity. WT and transgenic Arabidopsis were treated with NaCl, NaHCO_3, mannitol and H2O2. And then their root lengths, crown widths and fresh weights were measured and compared. The results showed that over-expression of OsNAD-ME1 in transgenic Arabidopsis increased the resistance to abiotic stresses, which indicated that OsNAD-ME1 was related to stress tolerance.
机译:为了探讨水稻NAD-meric酶基因(OSNAD-ME1)在不同的非生物胁迫下的作用,奥斯奈-ME1构建成植物表达载体并转化到土壤杆菌中,用于感染拟南芥。 与WT植物以及较高的NAD-ME活性相比,纯合转基因系中奥纳德-ME1的转录水平较高。 用NaCl,NaHCO_3,甘露醇和H 2 O 2处理WT和转基因拟南芥。 然后测量并比较它们的根长度,冠状宽度和新鲜重量。 结果表明,转基因拟南芥中的奥斯奈-ME1的过表达增加了对非生物胁迫的抗性,表明奥斯奈-ME1与应力耐受性有关。

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