YANG Xiao-feng,LU Tao,ZHOU Zheng-jian,et al.Effect of α-Lipoic Acid on the Agrobacterium-tumefaciens Mediated GUS Transient Expression Rate and Shoot Induction Percentage in Soybean(Glycine max L.)[J].Soybean Science,2011,30(04):552-556.[doi:10.11861/j.issn.1000-9841.2011.04.0552]
α-硫辛酸对大豆农杆菌介导GUS瞬时表达和芽诱导的影响
- Title:
- Effect of α-Lipoic Acid on the Agrobacterium-tumefaciens Mediated GUS Transient Expression Rate and Shoot Induction Percentage in Soybean(Glycine max L.)
- 文章编号:
- 1000-9841(2011)04-0552-05
- Keywords:
- Soybean(Glycine max L.); α-Lipoic acid; GUS transient expression; Shoot induction percentage
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 以适宜转化大豆受体YC-2为材料,研究了抗氧化剂α-硫辛酸对农杆菌介导GUS瞬时表达和芽诱导率的影响。结果表明:在共培养基中添加不同浓度的抗氧化剂可显著降低外植体的褐化率,随α-硫辛酸浓度的增加外植体褐化率明显减少,但白化率增加,且这些白化的外植体在后期不易产生诱导芽;共培养中添加不同浓度的α-硫辛酸可增强GUS瞬时表达率和芽诱导的再生率,且以25 mg?L-1效果最佳。
- Abstract:
- Antioxidant-α-lipoic acid(LA)influencing on the Agrobacterium-tumefaciens mediated GUS transient expression rate and shoot induction percentage in soybean cultivar‘YC-2’was studied in this paper.The results showed the explant browning percentage was markedly decreased after added different concentrations of α-lipoic acid in the co-cultivation medium.In the meantime,the explant whitening percentage was increased with the increased concentration of α-lipoic acid in co-cultivation medium.Meanwhile,the whitening explant couldn’t induce shoot regeneration after culured on the shoot induction medium for a month.It also showed the transient GUS expression rate and shoot induction frequency were also increased after added different LA concentrations in the co-cultivation medium.The optimized LA concentration was 25 mg?L-1in the co-cultivation medium.
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备注/Memo
收稿日期:2011-05-04基金项目:国家转基因专项资助项目(2009ZX08010-013B,2008ZX08004-0004,2008ZX08004-001);国家自然科学基金资助项目(31071443)。