HE Qing-yuan,XIANG Shi-hua,WU Ping,et al.Effects of Hydrogen Sulfide Alleviates Salt Stress in Soybean (Glycine max) Antioxidative System[J].Soybean Science,2015,34(03):427-431.[doi:10.11861/j.issn.1000-9841.2015.03.0427]
硫化氢对盐胁迫条件下大豆抗氧化酶活性的影响
- Title:
- Effects of Hydrogen Sulfide Alleviates Salt Stress in Soybean (Glycine max) Antioxidative System
- Keywords:
- Glycine max; Hydrogen sulfide; NaCl stress; Alleviation; Antioxidative enzyme
- 文献标志码:
- A
- 摘要:
- 以南农1138-2为材料,采用不同浓度(0,0.20,0.40,0.60和0.80 mmol?L-1)的H2S供体NaHS溶液喷施在0.08 mol?L-1?的NaCl溶液胁迫下的大豆植株上,分析大豆从V2至V4期生长和同工酶活性的影响。结果表明:0.08 mol?L-1的NaCl溶液能有效抑制大豆生长。H2S的供体NaHS溶液喷施对盐胁迫有一定的缓解作用,0.20和0.40 mmol?L-1的NaHS处理的子叶等级显著高于阳性对照(0.00 mmol?L-1?NaHS处理),0.40 mmol?L-1的NaHS处理有最大的根冠比。0.40 mmol?L-1的NaHS处理下的V3和V4期大豆叶片中的过氧化物酶(POD)、超氧化物歧化酶(SOD)和过氧化氢酶(CAT)的活性虽然比阴性对照低,但比其余处理都高,并都显著高于阳性对照。并且在V3期大豆的子叶等级与抗氧化酶活性成正相关关系。POD和SOD的同工酶在NaHS处理下谱带都发生了一定程度的改变。
- Abstract:
- Nannong1138.2 was used as test material, 0.08 mol?L-1NaCl stressed soybeans were sprayed different concentration NaHS (0, 0.20, 0.40, 0.60 and 0.80 mmol?L-1). The effects of growth and isozymes activity from V2 to V4 periods were analyzed by different treatments. The results showed that growth of soybean was inhibited by 0.08 mol?L-1?NaCl solutionH2S donor NaHS alleviates NaCl-induced stress. Treatments of 0.20 and 0.40 mmol?L-1?NaHS significantly increased the ranks of cotyledon than positive control and treatment of 0.40 mmol?L-1?NaHS had the highest ratio of root shoot.The activities of POD, SOD and CAT of treatment of 0.4 mmol?L-1?NaHS was lower than negative control but higher than others and significantly higher than positive control.The ranks of cotyledon were positively correlated with activities of antioxidative. NaHS treatments caused changes of the band number of POD and SOD.
参考文献/References:
[1]Ha B K, Vuong T D, Velusamy V, et al. Genetic mapping of quantitative trait loci conditioning salt tolerance in wild soybean (Glycine soja) PI 4834463 [J]. Euphytica,2013,193:79-88.
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备注/Memo
基金项目:安徽教育厅重点项目(KJ2013A077);四川省科技支撑计划(2015NZ0046);安徽科技学院项目(ZRC2013383)。