SUN Xiaomei,WANG Sisi,YANG Hongguang,et al.Antioxidant Enzymes Activity of Paeonia lactiflora During Seed Germination[J].Northern Horticulture,2015,39(14):53-55.[doi:10.11937/bfyy.201514016]
芍药种子萌发过程中抗氧化酶活性变化规律的研究
- Title:
- Antioxidant Enzymes Activity of Paeonia lactiflora During Seed Germination
- Keywords:
- Paeonia lactiflora; seed germination; SOD activity; POD activity; CAT activity
- 文献标志码:
- A
- 摘要:
- 以芍药种子为试材，测定其萌发过程中抗氧化酶活性的动态变化，分析探究芍药种子萌发过程中抗氧化酶活性变化规律。结果表明：超氧化物歧化酶（SOD）活性和过氧化物酶（POD）活性与种子萌发呈负相关，过氧化氢酶（CAT）活性与萌发呈正相关且处于缓慢上升状态。在吸胀12 h左右时芍药种子开始萌发，且SOD活性较POD活性、CAT活性更早发挥作用。
- Abstract:
- Using the herbaceous Paeonia lactiflora seeds as the test materials，the dynamic changes of the activity of antioxidant enzymes in the process of its germination were determined,the relationship between the Paeonia lactiflora seeds germination process and the activity of antioxidant enzymes were analyzed and explored.The results showed that superoxide dismutase (SOD) activity and peroxidase (POD) activity were negatively correlated with seed germination，catalase (CAT) activity and germination were positively correlated and in the rising state slowly.Paeonia lactiflora seed began to germinate in about 12 hours’ imbibition，and SOD worked earlier than POD and CAT.
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备注/Memo
第一作者简介：孙晓梅（1970-），女，辽宁沈阳人，博士，教授，现主要从事园林植物种质资源与育种等研究工作。E-mail：xiaomei7280@126.com.基金项目：国家自然基金资助项目（31240028，31470696）。