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首页> 外文会议>Progress in electromagnetics research symposium;PIERS 2010 >Effects of Extremely Low Frequency Electromagnetic Fields on the Antioxidant Enzymes Activity of C3 and C4 Plants
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Effects of Extremely Low Frequency Electromagnetic Fields on the Antioxidant Enzymes Activity of C3 and C4 Plants

机译：极低频电磁场对C3和C4植物抗氧化酶活性的影响

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This experimental study was dedicated to the possible oxidative stress induced by electromagnetic field accumulation in the living tissues. In this research two states of seeds (wet, dry) of Brassica Napus L (canola) and Zea mays L (maize) were exposed to pulsed EMFs (15 min on, 15 min off) by magnitude of 1 to 7mT in steps of 2mT and the highest intensity was 10 mT for 1 to 4 hours in steps of 1 h. Activity of stress enzymes were carried out by spectrophotometer. Our investigation was focused on root and shoot of 7 days seedlings, which showed the most and the least growth comparing to corresponding control. Activity of all stress enzymes in root tissue of canola increased and in shoot tissue of this species decreased. In contrary, activity of the same stress enzymes in the same tissue of maize showed opposite results, except APX activity in the root tissue, which showed similar result in both species (P < 0.05).All results suggested that antioxidant system of canola as a C3 plant and maize as a C4 plant react differently against EMFs.
机译：这项实验研究致力于活组织中电磁场累积引起的可能的氧化应激。在这项研究中，将甘蓝型油菜L（canola）和玉米（Zea mays L）（玉米）的两种种子状态（湿，干）以1mT至7mT的幅度以2mT的步幅暴露于脉冲EMF（15分钟打开，15分钟关闭）。强度最高为10 mT，持续1到4小时为1小时。应激酶的活性通过分光光度计进行。我们的研究集中在7天幼苗的根和芽上，与相应的对照相比，它们显示出最大和最小的生长。双低油菜籽根组织中所有胁迫酶的活性均增加，而该物种的芽组织中的所有胁迫酶的活性均降低。相反，在玉米的相同组织中相同胁迫酶的活性显示相反的结果，除了根组织中的APX活性在两个物种中均显示相似的结果（P <0.05）。 所有结果表明，双低油菜作为C3植物和玉米作为C4植物的抗氧化系统对EMF的反应不同。

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